Andersen
Andersen EV Home Chargers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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E01
Charger will not start charging; front LED shows solid red with E01 on the display/app.
Proximity / Pilot Signal Fault
E02
Charging session stops immediately after plugging in; display/app shows E02 and red LED flashes.
Ground (Earth) Fault / Protective Earth Monitoring Error
E03
Charger shows E03 and refuses to start; app reports 'Line/Neutral Reversed or Missing Neutral'.
Line/Neutral Polarity or Missing Neutral Fault
E04
Charging stops with E04; app indicates 'Overcurrent / Output Overload'.
Output Overcurrent Protection Trip
E05
Charger displays E05 and will not start; app shows 'Overvoltage Detected'.
Input Overvoltage Protection
E06
Charger shows E06; app reports 'Undervoltage / Brownout'. Charging will not start or stops unexpectedly.
Input Undervoltage / Brownout Protection
E07
Charger displays E07; app indicates 'Contactor Welded / Stuck Relay'.
Output Contactor Welded or Stuck Closed
E08
Charger shows E08; app reports 'RCD / DC Leakage Fault'. Charging is disabled.
Residual Current Device Trip / DC Leakage Detection
E09
Charger displays E09; app shows 'Temperature High – Charging Disabled'.
Overtemperature Protection
E10
Charger shows E10; app indicates 'Internal Communication Error'.
Internal Module Communication Failure
E11
Charger displays E11; app shows 'Wi‑Fi Module Fault' or cannot connect to network while charging still works in basic mode.
Wi‑Fi / Network Module Failure
E12
Charger shows E12; app reports 'PEN/PME Fault – Earth Reference Lost'.
PEN Conductor / PME Monitoring Fault
E13
Charger displays E13; app indicates 'Locking Mechanism Fault' and the Type 2 plug cannot be locked or released.
Type 2 Socket Lock Actuator Failure
E14
Charger shows E14; app reports 'Cable Recognition Error – Incorrect or Unknown Cable'.
Proximity (PP) Resistor Detection Fault
E15
Charger displays E15; app indicates 'Firmware Error / Configuration Corrupt'.
Firmware Corruption or Invalid Configuration
E16
Charger shows E16; app reports 'Meter Communication Error' and energy usage is not logged correctly.
Internal Energy Meter Communication Failure
E17
Charger displays E17; app indicates 'Load Management / CT Fault'.
External Current Transformer (CT) / Load Management Sensor Error
E18
Charger shows E18; app reports 'Schedule Conflict / Smart Charging Error' and charging does not start at expected times.
Smart Scheduling / OCPP Control Conflict
E19
Charger displays E19; app indicates 'Vehicle Communication Error (PLC)'.
Power Line Communication (PLC) Failure with EV
E20
Charger shows E20; app reports 'Internal Power Supply Fault'.
Auxiliary Power Supply Failure
Symptom
Andersen app cannot find or pair with the charger during initial setup, though the charger powers on.
Pairing / Commissioning Failure
Symptom
Charger completely dead – no LEDs, no display, not visible in Andersen app.
No Power / Supply Interruption
Symptom
Charger does not follow configured load management; house main breaker trips when EV and other loads run together.
Load Management Not Limiting Current
Symptom
Charger enclosure vibrates or rattles noticeably when charging at high current.
Mechanical Vibration / Loose Mounting
Symptom
Charger front LEDs are dim, flickering, or not displaying the correct colours, but charging still works.
LED Indicator / Display Fault
Symptom
Charger intermittently disconnects from Wi‑Fi; app often shows the charger as offline, though charging may still work.
Intermittent Network Connectivity
Symptom
Charger makes a clicking sound repeatedly every few seconds without starting a charge.
Repeated Contactor Pull‑In / Failed Start Sequence
Symptom
Charger makes a loud buzzing or chattering noise when starting or during charging.
Noisy Contactor / Coil Hum
Symptom
Charger or cable becomes very warm or hot to the touch during normal charging.
Overheating Connector / High Contact Resistance
Symptom
Charger powers on but will not start charging; LEDs remain idle and app shows 'Ready' but vehicle does not charge.
EV Not Detected / Standby Only
Symptom
Charger randomly restarts or reboots during charging; LEDs go off and back on, app disconnects briefly.
Intermittent Power / Internal Reset
Symptom
Charger starts charging but stops after a few minutes with no error code; LEDs return to ready state.
Intermittent Charging / Session Dropout
Symptom
Charger trips the upstream RCD/RCBO immediately when a charging session starts.
Instant Earth Leakage / Short to Earth
Symptom
Tethered cable will not retract or store properly in the Andersen cable management compartment (if fitted).
Cable Management / Mechanical Obstruction
Symptom
Type 2 plug is difficult to insert or remove from the Andersen socket; feels tight or jams.
Mechanical Wear / Misalignment of Socket
Symptom
Unusual burning smell from the Andersen charger during or after charging.
Overheating Component / Insulation Breakdown
Symptom
Visible water or condensation inside the Andersen front cover; occasional tripping of RCD/RCBO during or after rain.
Water Ingress / Moisture Tracking
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Charger will not start charging; front LED shows solid red with E01 on the display/app.
|
Proximity / Pilot Signal Fault | View Details |
| E02 |
Charging session stops immediately after plugging in; display/app shows E02 and red LED flashes.
|
Ground (Earth) Fault / Protective Earth Monitoring Error | View Details |
| E03 |
Charger shows E03 and refuses to start; app reports 'Line/Neutral Reversed or Missing Neutral'.
|
Line/Neutral Polarity or Missing Neutral Fault | View Details |
| E04 |
Charging stops with E04; app indicates 'Overcurrent / Output Overload'.
|
Output Overcurrent Protection Trip | View Details |
| E05 |
Charger displays E05 and will not start; app shows 'Overvoltage Detected'.
|
Input Overvoltage Protection | View Details |
| E06 |
Charger shows E06; app reports 'Undervoltage / Brownout'. Charging will not start or stops unexpectedly.
|
Input Undervoltage / Brownout Protection | View Details |
| E07 |
Charger displays E07; app indicates 'Contactor Welded / Stuck Relay'.
|
Output Contactor Welded or Stuck Closed | View Details |
| E08 |
Charger shows E08; app reports 'RCD / DC Leakage Fault'. Charging is disabled.
|
Residual Current Device Trip / DC Leakage Detection | View Details |
| E09 |
Charger displays E09; app shows 'Temperature High – Charging Disabled'.
|
Overtemperature Protection | View Details |
| E10 |
Charger shows E10; app indicates 'Internal Communication Error'.
|
Internal Module Communication Failure | View Details |
| E11 |
Charger displays E11; app shows 'Wi‑Fi Module Fault' or cannot connect to network while charging still works in basic mode.
|
Wi‑Fi / Network Module Failure | View Details |
| E12 |
Charger shows E12; app reports 'PEN/PME Fault – Earth Reference Lost'.
|
PEN Conductor / PME Monitoring Fault | View Details |
| E13 |
Charger displays E13; app indicates 'Locking Mechanism Fault' and the Type 2 plug cannot be locked or released.
|
Type 2 Socket Lock Actuator Failure | View Details |
| E14 |
Charger shows E14; app reports 'Cable Recognition Error – Incorrect or Unknown Cable'.
|
Proximity (PP) Resistor Detection Fault | View Details |
| E15 |
Charger displays E15; app indicates 'Firmware Error / Configuration Corrupt'.
|
Firmware Corruption or Invalid Configuration | View Details |
| E16 |
Charger shows E16; app reports 'Meter Communication Error' and energy usage is not logged correctly.
|
Internal Energy Meter Communication Failure | View Details |
| E17 |
Charger displays E17; app indicates 'Load Management / CT Fault'.
|
External Current Transformer (CT) / Load Management Sensor Error | View Details |
| E18 |
Charger shows E18; app reports 'Schedule Conflict / Smart Charging Error' and charging does not start at expected times.
|
Smart Scheduling / OCPP Control Conflict | View Details |
| E19 |
Charger displays E19; app indicates 'Vehicle Communication Error (PLC)'.
|
Power Line Communication (PLC) Failure with EV | View Details |
| E20 |
Charger shows E20; app reports 'Internal Power Supply Fault'.
|
Auxiliary Power Supply Failure | View Details |
| – |
Andersen app cannot find or pair with the charger during initial setup, though the charger powers on.
|
Pairing / Commissioning Failure | View Details |
| – |
Charger completely dead – no LEDs, no display, not visible in Andersen app.
|
No Power / Supply Interruption | View Details |
| – |
Charger does not follow configured load management; house main breaker trips when EV and other loads run together.
|
Load Management Not Limiting Current | View Details |
| – |
Charger enclosure vibrates or rattles noticeably when charging at high current.
|
Mechanical Vibration / Loose Mounting | View Details |
| – |
Charger front LEDs are dim, flickering, or not displaying the correct colours, but charging still works.
|
LED Indicator / Display Fault | View Details |
| – |
Charger intermittently disconnects from Wi‑Fi; app often shows the charger as offline, though charging may still work.
|
Intermittent Network Connectivity | View Details |
| – |
Charger makes a clicking sound repeatedly every few seconds without starting a charge.
|
Repeated Contactor Pull‑In / Failed Start Sequence | View Details |
| – |
Charger makes a loud buzzing or chattering noise when starting or during charging.
|
Noisy Contactor / Coil Hum | View Details |
| – |
Charger or cable becomes very warm or hot to the touch during normal charging.
|
Overheating Connector / High Contact Resistance | View Details |
| – |
Charger powers on but will not start charging; LEDs remain idle and app shows 'Ready' but vehicle does not charge.
|
EV Not Detected / Standby Only | View Details |
| – |
Charger randomly restarts or reboots during charging; LEDs go off and back on, app disconnects briefly.
|
Intermittent Power / Internal Reset | View Details |
| – |
Charger starts charging but stops after a few minutes with no error code; LEDs return to ready state.
|
Intermittent Charging / Session Dropout | View Details |
| – |
Charger trips the upstream RCD/RCBO immediately when a charging session starts.
|
Instant Earth Leakage / Short to Earth | View Details |
| – |
Tethered cable will not retract or store properly in the Andersen cable management compartment (if fitted).
|
Cable Management / Mechanical Obstruction | View Details |
| – |
Type 2 plug is difficult to insert or remove from the Andersen socket; feels tight or jams.
|
Mechanical Wear / Misalignment of Socket | View Details |
| – |
Unusual burning smell from the Andersen charger during or after charging.
|
Overheating Component / Insulation Breakdown | View Details |
| – |
Visible water or condensation inside the Andersen front cover; occasional tripping of RCD/RCBO during or after rain.
|
Water Ingress / Moisture Tracking | View Details |
No matching codes found
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