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Delta Electronics error codes
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This page covers the Delta Electronics chargers whose codes Delta publishes: the DC Wallbox 25 kW (full list of alarm codes), then the AC Mini Plus and the AC MAX, which report their faults through LEDs. It also gives an unofficial list of DC codes, to be confirmed.
Where to read the code: in Chargekeeper, charging station list, connector details, Information column (or the active sessions list, Information column). It shows “OCPP code - vendor code - information”. See Manufacturer error codes.
How Delta reports its errors
- The DC Wallbox shows a six-digit hexadecimal alarm code on its display (for example
00400A). The first three digits give the group: 004 system, 005 internal and vehicle communication, 006 network and back-office, 007 power rectifier, 008 auxiliary supplies, 009 ground fault, 00A contactors and relays, 00B module firmware update, 00C CCS, 00D CHAdeMO. - No Delta document says whether these codes are sent over OCPP in the vendor code (
vendorErrorCode), nor which OCPP code they match. No code from these lists has been seen yet on the chargers supervised by Chargekeeper. - The value
0000000000received in the vendor code means “no fault”. - The AC Mini Plus and the AC MAX report their faults through LEDs: see the “LEDs and screen” section.
- UFC 200: the fault is shown on the touch screen as a symbol per connector; pressing the connector button shows its cause as text (for example “Connector fault”). No public code list was found for the UFC 200 nor for the DC City.
- The codes differ slightly from one DC Wallbox manual version to another; where they do, the meaning says so.
DC Wallbox 25 kW — alarm codes
List from the “System Code” chapter of the DC Wallbox 25 kW manuals (EVDE25… Europe / Australia and EVDU25… North America versions). These codes are shown on the charger display: write them down before switching the power off.
| Code | Meaning | What to do | OCPP code |
|---|---|---|---|
004001 |
Mains supply voltage above the charger's operating range (over 305 V per phase). | Have the supply voltage at the charger terminals measured by a qualified electrician. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
004002 |
Supply voltage on L2 or L3 below the operating range (under 170 V). | Check the upstream breaker and have the phase voltages measured by a qualified electrician. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
004003 |
Charger output voltage exceeds the maximum battery voltage declared by the vehicle. | Retry the session; if it repeats with several vehicles, note the code shown on the display and contact Delta service or the installer. | — |
004004 |
Vehicle requests more current than the charger can deliver at that moment. | Retry the session. If it repeats with several vehicles, contact Delta service. | — |
004005 |
Over-temperature at the air inlet or input contactor (above 60 °C). | Check that vents are free and the air filter is not clogged. Let the unit cool down. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
004006 |
CCS plug temperature too high (threshold 85 °C or 75 °C depending on the plug supplier). | Inspect the CCS plug for damage, dirt or burn marks. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
004007 |
Air filter due for replacement. | Schedule filter replacement (annual maintenance item in the manual). | — |
004008 |
Cabinet fan performance degraded; fan needs replacing. | Schedule fan replacement with Delta service. | — |
004009 |
System controller failed its self-test. | Power-cycle the charger. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00400A |
Emergency stop button is pressed. | Turn and pull the red emergency button to release it; the charger then resumes normal operation. | — |
00400B |
User authorization rejected by the back-office (central system). | Check the badge/user status in the CSMS. | — |
00400C |
User authorization rejected by the charger's local check. | Check the configured authentication mode and the local badge list. Try another card. | — |
00400D |
Air inlet temperature sensor failure. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00400E |
Input contactor temperature sensor failure. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00400F |
Surge protection device (SPD) has triggered. | Have the SPD checked/replaced by a qualified electrician. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
004010 |
Output fuse on the CCS side has blown. | Any inspection inside the cabinet must be done by a qualified electrician with power isolated. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
004011 |
Output fuse on the CHAdeMO side has blown. | Any inspection inside the cabinet must be done by a qualified electrician with power isolated. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
004012 |
CCS plug temperature sensor failure. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
004013 |
Under-temperature at the air inlet or input contactor (below -40 °C). | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
004014 |
Charging stopped by the user. | None required. | — |
004015 |
CCS plug has exceeded 10,000 mating cycles. | Plan inspection/replacement of the CCS plug. | — |
004016 |
CHAdeMO plug has exceeded 10,000 mating cycles. | Plan inspection/replacement of the CHAdeMO plug. | — |
004017 |
Session cancelled: vehicle not plugged in within the allowed time after authorization (3 or 5 minutes depending on manual version). | Authorize again, then plug in promptly. | — |
004018 |
Maximum charging duration reached (2 h according to some manual versions). | Start a new session if needed; check the configured time limit. | — |
004019 |
Internal data storage almost full. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
004020 |
Unclassified error. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
004021 |
Charging stopped remotely by the back-office. | Check in the CSMS who/what sent the remote stop. | — |
004022 |
Short supply voltage dip detected (below 20 V for under 100 ms). | If repeated, have the supply quality checked by a qualified electrician. | — |
004023 |
Supply voltage on L1 below the operating range (under 170 V). | Check the upstream breaker and have the phase voltages measured by a qualified electrician. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
005001 |
Communication with the CHAdeMO vehicle lost. | Re-plug and retry. Try another vehicle to rule out the car. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
005005 |
Communication with the CCS vehicle lost. | Re-plug and retry. Try another vehicle to rule out the car. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
005006 |
Power rectifier (SMR power module) failure. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
005007 |
Internal communication with the CCS controller lost. | Power-cycle the charger. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
005008 |
Internal communication with the auxiliary power module lost. | Power-cycle the charger. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
005009 |
Internal communication with the relay control module lost. | Power-cycle the charger. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00500C |
Internal communication with the display module lost. | Power-cycle the charger. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00500D |
Internal communication with the RFID reader lost. | Power-cycle the charger. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00500E |
Cellular modem not ready (modem or SIM problem). | Check that a SIM without PIN is inserted and the modem cable is connected. | — |
00500F |
Wi-Fi module not ready. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
006001 |
Cellular link cannot attach to the APN. | Check APN settings and SIM data activation with the mobile operator. | — |
006002 |
Cellular link has no internet access. | Check SIM data service and network coverage. | — |
006003 |
Cellular link cannot reach the back-office. | Check the OCPP URL/ChargeBox ID configuration. Check the back-office status. | — |
006004 |
Wi-Fi not connected to the access point. | Check Wi-Fi settings and signal. | — |
006005 |
Wi-Fi link has no internet access. | Check the local network's internet access. | — |
006006 |
Wi-Fi link cannot reach the back-office. | Check the OCPP configuration. Check the back-office status. | — |
006008 |
Ethernet link has no internet access. | Check the Ethernet cable and local network. | — |
006009 |
Ethernet link cannot reach the back-office. | Check that the OCPP settings are correct. Check whether the back-office has an issue. | — |
007001 |
Hardware fault inside the power rectifier. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
007002 |
Power rectifier input voltage above its range. | Have the supply voltage checked by a qualified electrician. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
007003 |
Power rectifier input voltage below its range. | Have the supply voltage checked by a qualified electrician. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
007004 |
Power rectifier output voltage above its range. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
007006 |
Power rectifier air inlet over-temperature (above 60 °C). | Check ventilation and filter. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
007008 |
Power rectifier PFC stage over-temperature. | Check ventilation and filter. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
007009 |
Power rectifier PFC stage under-temperature. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00700A |
Power rectifier DC/DC stage over-temperature. | Check ventilation and filter. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00700B |
Power rectifier DC/DC stage under-temperature. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00700C |
Fan inside the power rectifier has failed. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00700D |
Output OR-ing diode of the power rectifier has failed. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00700E |
Insulation (isolation) test failed. | Inspect the charging cable and plug for damage. Retry with another vehicle. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
008003 |
Controller 5 V supply rail too high. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
008004 |
5 V supply rail for other modules too high. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
008005 |
CAN bus 5 V supply rail too high. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
008006 |
12 V supply rail for other modules too high. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
008007 |
12 V supply rail for vehicle communication too high. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
008008 |
24 V relay-control supply rail too high. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
008009 |
Controller 5 V supply rail too low. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00800A |
5 V supply rail for other modules too low. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00800B |
CAN bus 5 V supply rail too low. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00800C |
12 V supply rail for other modules too low. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00800D |
12 V supply rail for vehicle communication too low. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00800E |
24 V relay-control supply rail too low. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
008010 |
Over-current on the controller 5 V rail. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
008011 |
Over-current on the 5 V rail for other modules. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
008012 |
Over-current on the CAN bus 5 V rail. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
008013 |
Over-current on the 12 V rail for other modules. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
008014 |
Over-current on the 12 V vehicle-communication rail. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
008015 |
Over-current on the 24 V relay-control rail. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
008016 |
Over-temperature of the 12 V vehicle-communication supply. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
008017 |
Over-temperature of the 5 V supply for other modules. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
008018 |
Over-temperature of the 24 V relay-control supply. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
008019 |
Auxiliary power module ambient temperature too high. | Check ventilation and filter. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
009001 |
Ground fault detected (GFD tripped). | Inspect cable and plug for damage. Retry with another vehicle. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
009002 |
Output diode over-temperature (meaning given only in the 2017 EVDE installation manual). | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
009003 |
Ground fault pre-warning (leakage approaching the trip level). | Inspect cable and plug. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
009004 |
Ground fault detector self-test failed. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00A001 |
Input contactor 1 welded (stuck closed). | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00A002 |
Input contactor 1 drive fault (does not respond to command). | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00A003 |
Input contactor 2 welded (stuck closed). | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00A004 |
Input contactor 2 drive fault. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00A005 |
CCS output relay, positive pole, welded. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00A006 |
CCS output relay, positive pole, drive fault. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00A007 |
CHAdeMO output relay, positive pole, welded. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00A008 |
CHAdeMO output relay, positive pole, drive fault. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00A009 |
CCS output relay, negative pole, welded. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00A00A |
CCS output relay, negative pole, drive fault. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00A00B |
CHAdeMO output relay, negative pole, welded. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00A00C |
CHAdeMO output relay, negative pole, drive fault. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00B001 |
Firmware update of the auxiliary power module failed. | Retry the firmware update. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00B002 |
Firmware update of the relay control module failed. | Retry the firmware update. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00B003 |
Firmware update of the display (LCM) module failed. | Retry the firmware update. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00B004 |
Firmware update of the CCS charging module failed. | Retry the firmware update. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00B005 |
Firmware update of the CHAdeMO charging module failed. | Retry the firmware update. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00B006 |
Firmware update of the power converter module failed. | Retry the firmware update. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00C001 |
CCS powerline-communication (PLC) module failure. | If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00C002 |
CCS proximity signal lost (plug detection). | Re-plug firmly and retry. Inspect the CCS plug. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00C003 |
CCS vehicle ended the charge. | None if expected; otherwise retry. | — |
00D001 |
CHAdeMO vehicle did not give charging permission. | Re-plug and retry; check the vehicle. | — |
00D002 |
CHAdeMO vehicle reports a battery malfunction. | Retry; if it persists only with this vehicle, refer the driver to the vehicle maker. | — |
00D003 |
CHAdeMO vehicle battery not compatible with the charger. | Check vehicle compatibility. | — |
00D006 |
Measured output current differs from the target current. | Retry with another vehicle. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00D007 |
CHAdeMO vehicle reports battery over-temperature. | Let the vehicle battery cool and retry. | — |
00D008 |
Measured output voltage differs from the target voltage. | Retry with another vehicle. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
00D009 |
CHAdeMO vehicle reports a gear-shift position alarm. | Put the vehicle in park and retry. | — |
00D00A |
CHAdeMO vehicle reports another (unspecified) fault. | Retry; if it persists only with this vehicle, refer the driver to the vehicle maker. | — |
00D00B |
CHAdeMO connector lock failure. | Re-plug and retry. If it persists, note the code shown on the display and contact Delta service or the installer. | — |
Other models
Delta DC chargers, model not stated — unofficial list
Additional codes published only by a third-party operator, with no model or firmware version. They follow the same numbering as the DC Wallbox and cover the CCS communication steps (ISO 15118 / DIN) and CHAdeMO timeouts. As the source is not official, each meaning is (to be confirmed). Only codes absent from the Delta manuals are listed here.
| Code | Meaning | What to do | OCPP code |
|---|---|---|---|
004024 |
Session stopped because the configured stop state-of-charge was reached (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
004025 |
Session stopped because the configured energy limit was reached (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00A00E |
CCS output relay drive fault (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00A00F |
CHAdeMO output relay welded (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00A010 |
CHAdeMO output relay drive fault (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00A012 |
CCS pre-charge relay drive fault (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00A013 |
CCS control pilot line broken (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00A014 |
CCS proximity line broken (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C100 |
CCS: no data during SLAC link setup (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C101 |
CCS: SLAC link setup error (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C102 |
CCS: SDP (service discovery) error (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C103 |
CCS: TCP connection error with the vehicle (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C104 |
CCS ISO15118/DIN communication error in idle state (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C105 |
CCS communication error at supportedAppProtocol (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C106 |
CCS communication error at SessionSetup (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C107 |
CCS communication error at ServiceDiscovery (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C108 |
CCS communication error at ServicePaymentSelection (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C109 |
CCS communication error at ContractAuthentication (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C10A |
CCS communication error at ChargeParameterDiscovery (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C10B |
CCS communication error at CableCheck (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C10C |
CCS communication error at PreCharge (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C10D |
CCS communication error at PowerDelivery (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C10E |
CCS communication error at CurrentDemand (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C202 |
CCS timeout waiting for vehicle ReadyToCharge (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C203 |
CCS cable check: power module output below commanded voltage (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C204 |
CCS cable check: power module output above 20 V when it should not be (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C205 |
CCS cable check: output above 60 V before the insulation test (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C206 |
CCS cable check: output current above 2 A during the insulation test (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C207 |
CCS pre-charge: output voltage below the vehicle's target (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C208 |
CCS pre-charge: output current above 1.5 A (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C300 |
CCS vehicle error: battery temperature inhibits charging (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C301 |
CCS vehicle error: gear-shift position (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C302 |
CCS vehicle error: connector lock fault (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C303 |
CCS vehicle error: battery (RESS) malfunction (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C304 |
CCS vehicle error: charging current differential (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C305 |
CCS vehicle error: charging voltage out of range (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C306 |
CCS vehicle error: reserved code A (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C307 |
CCS vehicle error: reserved code B (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C308 |
CCS vehicle error: reserved code C (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C309 |
CCS vehicle error: charging system incompatibility (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C30A |
CCS vehicle error: no data (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C30B |
CCS session stopped during supportedAppProtocol (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C30C |
CCS session stopped during SessionSetup (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C30D |
CCS session stopped during ServiceDiscovery (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C30E |
CCS session stopped during ServicePaymentSelection (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C30F |
CCS session stopped during ContractAuthentication (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C310 |
CCS session stopped during ChargeParameterDiscovery (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C311 |
CCS session stopped during CableCheck (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C312 |
CCS session stopped during PreCharge (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C313 |
CCS session stopped during CurrentDemand (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C314 |
CCS session stopped by the vehicle after bulk charge complete (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C315 |
CCS session stopped by the vehicle after charge complete (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C316 |
Charging stopped: control pilot in state A (vehicle disconnected) (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C317 |
Charging stopped: control pilot in state B (vehicle not requesting energy) (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00C318 |
Charging stopped: control pilot in state E/F or invalid (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D004 |
CHAdeMO battery under-voltage (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D005 |
CHAdeMO battery over-voltage (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D00D |
CHAdeMO: target battery voltage above the battery's declared maximum (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D00E |
CHAdeMO: current request above available output current (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D00F |
CHAdeMO timeout waiting for the start of vehicle CAN data (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D010 |
CHAdeMO timeout: CAN communication fault (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D011 |
CHAdeMO timeout waiting for vehicle charging enable (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D012 |
CHAdeMO timeout waiting for vehicle contactor to close (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D013 |
CHAdeMO timeout waiting for the vehicle current request (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D014 |
CHAdeMO insulation check: power module output below commanded voltage (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D015 |
CHAdeMO insulation check: power module output above 20 V (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D016 |
CHAdeMO insulation check: output above 10 V before the test (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D017 |
CHAdeMO insulation check: output above 20 V after the test (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D018 |
CHAdeMO insulation check: output current above 2 A during the test (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D019 |
Output voltage still above 10 V after charging ended (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D01B |
CHAdeMO system process error (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D01C |
CHAdeMO timeout: vehicle did not drop permission after charging (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D01D |
CHAdeMO timeout: vehicle contactor did not open after charging (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D01E |
Charger output voltage above the vehicle battery maximum (CHAdeMO) (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
00D01F |
CHAdeMO: permission signal active before any CAN message received (to be confirmed). | Retry the session; if it repeats, note the code and contact Delta service. | — |
AC Mini Plus — charger log code
Six-digit code recorded in the AC Mini Plus log (downloadable on a USB stick), described by the Delta knowledge base. Delta does not say whether it is sent over OCPP.
| Code | Meaning | What to do | OCPP code |
|---|---|---|---|
010143 |
Charging gun lock/unlock failure: the plug does not lock in the socket. | Inspect the inside of the socket and remove the displaced rubber seal (per Delta KB). If not resolved, contact Delta support. | — |
LEDs and screen
AC Mini Plus
Panel of four LEDs: Power, Status and Charge (green), Fault (red). Notation: PWR = Power LED solid green, PWR+STS = Power and Status LEDs solid green, followed by the number of red flashes of the Fault LED; network faults are green flashes of the Status LED (STS). Fault LED flashing red during charging: temporary error, which usually clears within about 10 s. Solid red: critical hardware error.
| Signal | Meaning | What to do |
|---|---|---|
Fault solid red (PWR+STS on) |
Hardware failure detected (RCD self-test, relay, MCU/MPU or thermal sensor fault). | Unplug the connector and power-cycle the charger. If still solid red, contact Delta support. |
PWR + Fault 1 flash |
Residual current device (RCD) tripped; clears once the plug is removed. | Unplug the charging plug to recover. If it repeats, have cable and installation checked by a qualified electrician. |
PWR + Fault 2 flashes |
Earth (ground) fault; clears once earth is correctly connected. | Have a qualified electrician check the PE connection. |
PWR + Fault 3 flashes |
Supply wiring incorrect; clears after correction and reboot. | Have the installer correct the input wiring, then reboot. |
PWR + Fault 4 flashes |
Supply over-voltage or under-voltage; clears when voltage returns to normal. | Wait for voltage to normalise; if persistent, have the supply checked by a qualified electrician. |
PWR + Fault 5 flashes |
Over-current; auto-retries after 10 s, latched after three trips. | Unplug, power-cycle the charger; if it persists, contact Delta support. |
PWR + Fault 6 flashes |
Over-temperature protection. | Let the unit cool; remove heat sources. Unplug, power-cycle the charger; if it persists, contact Delta support. |
PWR + Fault 7 flashes |
Plug/connector condition fault that clears after re-plugging the charging plug firmly (cause not named in the manual). | Re-plug the charging plug firmly. |
PWR+STS + Fault 1 flash |
Maximum current rating setting error. | Have the installer check the current rating setting. |
PWR+STS + Fault 2 flashes |
Control pilot fault (wrong pilot level: positive/negative pilot error, state D or E). | Re-plug; try another vehicle. Unplug, power-cycle the charger; if it persists, contact Delta support. |
PWR+STS + Fault 3 flashes |
RFID reader fault / main processor cannot talk to the RFID reader. | Unplug, power-cycle the charger; if it persists, contact Delta support. |
PWR+STS + Fault 4 flashes |
Main processor cannot communicate with the Wi-Fi module (Connected version only). | Unplug, power-cycle the charger; if it persists, contact Delta support. |
PWR+STS + Fault 5 flashes |
Main processor cannot communicate with the 3G modem (Connected version only). | Unplug, power-cycle the charger; if it persists, contact Delta support. |
PWR+STS + Fault 6 flashes |
Main processor cannot communicate with the Bluetooth module (Connected version only). | Unplug, power-cycle the charger; if it persists, contact Delta support. |
PWR + STS 1 flash |
Cellular APN not connected (Connected version only). | Check network settings (APN, Wi-Fi, OCPP URL). |
PWR + STS 2 flashes |
No internet connection (Connected version only). | Check network settings (APN, Wi-Fi, OCPP URL). |
PWR + STS 3 flashes |
Back-office (OCPP central system) not connected (Connected version only). | Check network settings (APN, Wi-Fi, OCPP URL). |
PWR + STS 4 flashes |
Cellular signal strength (RSSI) low (Connected version only). | Check network settings (APN, Wi-Fi, OCPP URL). |
AC MAX (EU-Basic, firmware 5.1)
Single multicolour LED: a fault is shown in red, solid or as a number of flashes. The Smart / NA-Smart versions are not covered.
| Signal | Meaning | What to do |
|---|---|---|
Red solid |
Self-test failed or general malfunction. | Unplug the vehicle connector and power-cycle the EVSE. If it persists, contact Delta support. |
Red, 1 flash |
Supply over-voltage or under-voltage protection; auto-recovers when voltage is normal. | Wait for auto-recovery; otherwise restart the EVSE or contact support. |
Red, 2 flashes |
Residual current device (RCD) tripped. | Switch off at the breaker and disconnect the car. Inspect cable and components for insulation damage. If nothing visible, switch the breaker back on. |
Red, 3 flashes |
Protective earth not correctly connected. | Have the PE connection checked by a qualified electrician. Make sure firmware is 5.1 or later (AC MAX app). |
Red, 4 flashes |
Over-current protection. | Unplug the vehicle connector and plug it in again. |
Red, 5 flashes |
Over-temperature protection. | Wait for recovery and remove any nearby heat source. |
Red, 6 flashes |
Supply input miswired. | Have the installer swap L and N. |
Red, 7 flashes |
Control pilot signal error or charging gun lock fault. | Unplug the vehicle connector and plug it in again. If it does not recover, contact Delta support. |
Sources
- Delta – DC Wallbox 25kW, Installation and Operation Manual (EVDU25… North America) (version 1.2.1, 2022-03) — link
- Delta – DC Wallbox Charger, Installation and Operation Manual (EVDE25…) (version 1.2.0, 2020-03) — link
- Delta – DC Wallbox Charger, Installation Manual (Installation-manual_EVDE) (2017-06) — link
- Delta – DC Wallbox Charger, Installation and Operation Manual (EVDU25…) (version 1.0.0, 2018-01) — link
- Delta – AC Mini Plus Charger, Installation and Operation Manual, Basic version (version 1.1.0, 2019-07) — link
- Delta – AC Mini Plus Charger, Installation and Operation Manual, Connected version (version 1.1.0, 2019-07) — link
- Delta – AC MAX, Installation and operation manual, EU-Basic version (firmware 5.1) (version 1.0.4, 2022-03) — link
- Delta EMEA knowledge base – AC mini plus – Error 010143 – Gun lock fail (KA-100002103) — link
- Delta – UFC 200, Maintenance Manual (V1.0, 2022-01) — link
- Delta – DC City Charger 150-200 kW, Installation Manual (EIDS-E200 V1.4.0) — link
- Pulse Energy – Delta Charger Error Codes — link (unofficial source)
