Lucid
Lucid 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; vehicle shows ‘Charging Error’ and Lucid home charger display shows E01 immediately after plug-in.
Pilot Signal Communication Failure
E02
Charger display shows E02 and refuses to start; vehicle may report ‘Ground Fault’ or ‘Charging Station Error’.
Ground Fault Detection Trip
E03
Lucid home charger shows E03 and does not energize; vehicle does not begin charging and may show ‘No Power from EVSE’.
Contactor Welded or Contactor Feedback Fault
E04
Display shows E04; charger will not start and may indicate ‘Line Voltage Error’ or ‘Supply Out of Range’.
Input Line Voltage Out of Range
E05
Lucid charger shows E05 and stops charging shortly after start; vehicle may show ‘Overcurrent’ or ‘Charging Interrupted’.
Output Overcurrent Protection Trip
E06
Charger display shows E06 and refuses to start; sometimes occurs after a storm or power outage.
Surge / Overvoltage Protection Triggered
E07
Lucid charger shows E07 and fan runs at high speed or cycles; charging stops or will not start.
Overtemperature Protection (Internal Overheat)
E08
Display shows E08; charger will not start and may indicate ‘Ground Missing’ or ‘Protective Earth Fault’.
Protective Earth (Ground) Fault / Missing Ground
E09
Lucid charger shows E09 and the display or LEDs may flicker; unit may reboot repeatedly.
Internal Low-Voltage Power Supply Fault
E10
Display shows E10; charger will not connect to vehicle and may show ‘Relay Test Failed’ or ‘Self-Test Error’.
Self-Test / Contactor Pre-Charge Failure
E11
Lucid charger shows E11 and refuses to start; often after configuration changes or installation.
Configuration / DIP Switch / Current Setting Error
E12
Display shows E12; charger stops mid-session and cannot resume until power-cycled.
Isolation Monitoring Fault (DC Leakage / Insulation Fault)
E13
Lucid charger shows E13 and cannot connect to Wi‑Fi or cloud services; charging may still work locally.
Network Communication Module Fault
E14
Display shows E14; charger will not start and may show ‘Proximity Fault’ or ‘Connector Latch Error’.
Proximity / Latch Switch Fault in Charge Handle
E15
Lucid charger shows E15 and LEDs may flash in a pattern; unit does not respond to touch or button presses.
Front Interface / Touch Panel Communication Error
E16
Display shows E16; charger stops when another large load in the home turns on, or refuses to start at full current.
Load Management / Derating Fault
E17
Lucid charger shows E17; charging stops intermittently with ‘Phase Imbalance’ or ‘Line Asymmetry’ message (common on 3‑phase variants).
Line Phase Imbalance / Phase Loss
E18
Display shows E18; charger will not start and may show ‘EVSE Lockout’ or ‘Internal Fault – Service Required’.
Critical Internal Self-Test Failure / Lockout
E19
Lucid charger shows E19; vehicle reports ‘Pilot Error – Incompatible EVSE’.
Pilot Duty Cycle / Current Encoding Error
E20
Display shows E20; charger starts then immediately stops, repeating several times.
Contact Bounce / Relay Chatter Detection
Symptom
Lucid charger causes noticeable flickering of house lights when charging starts or stops.
High Inrush Current / Voltage Sag on Supply
Symptom
Lucid charger display is blank or unreadable, but the vehicle still charges normally.
Display / Interface Failure Only
Symptom
Lucid charger emits a burning smell or visible smoke during or shortly after starting a charge.
Overheating Component / Electrical Burn
Symptom
Lucid charger enclosure feels warm or hot to the touch even at low charging currents.
Enclosure Overheating / Poor Heat Dissipation
Symptom
Lucid charger fails to start charging only in very cold or very hot weather, with no explicit error code.
Temperature-Dependent Start Inhibition
Symptom
Lucid charger intermittently stops charging without any error code; charging resumes if unplugged and replugged.
Intermittent Output Drop / Thermal or Connection Interruption
Symptom
Lucid charger leaks water from the bottom of the enclosure or shows signs of internal moisture.
Water Ingress / Seal Failure
Symptom
Lucid charger makes loud humming or buzzing noises during operation.
Excessive Transformer / Contactor Hum
Symptom
Lucid charger output cable or handle becomes excessively hot during charging, but no error code is displayed.
Overheating Connector / High-Resistance Joint
Symptom
Lucid charger powers on but will not start charging; vehicle shows ‘Waiting for EVSE’ with no specific error code.
Standby Only / No Charge Authorization
Symptom
Lucid charger randomly reboots or restarts during charging without showing an error code.
Control Power Instability / Brownout
Symptom
Lucid charger trips the house breaker immediately when a charging session starts.
Branch Circuit Overload or Short
Symptom
Lucid charger’s cable is stiff, cracked, or the outer jacket is splitting, especially in cold weather.
Aged or Environmentally Damaged Output Cable
Symptom
Lucid charger’s front LEDs or indicators behave erratically (random flashing) while charging appears normal.
Indicator / LED Driver Anomaly
Symptom
Lucid charger’s Wi‑Fi or Bluetooth connection is unstable or frequently drops, but charging continues.
Intermittent Network Connectivity
Symptom
Lucid home charger completely dead – no lights, no display, no fan noise.
No Power / Dead Unit
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Charger will not start charging; vehicle shows ‘Charging Error’ and Lucid home charger display shows E01 immediately after plug-in.
|
Pilot Signal Communication Failure | View Details |
| E02 |
Charger display shows E02 and refuses to start; vehicle may report ‘Ground Fault’ or ‘Charging Station Error’.
|
Ground Fault Detection Trip | View Details |
| E03 |
Lucid home charger shows E03 and does not energize; vehicle does not begin charging and may show ‘No Power from EVSE’.
|
Contactor Welded or Contactor Feedback Fault | View Details |
| E04 |
Display shows E04; charger will not start and may indicate ‘Line Voltage Error’ or ‘Supply Out of Range’.
|
Input Line Voltage Out of Range | View Details |
| E05 |
Lucid charger shows E05 and stops charging shortly after start; vehicle may show ‘Overcurrent’ or ‘Charging Interrupted’.
|
Output Overcurrent Protection Trip | View Details |
| E06 |
Charger display shows E06 and refuses to start; sometimes occurs after a storm or power outage.
|
Surge / Overvoltage Protection Triggered | View Details |
| E07 |
Lucid charger shows E07 and fan runs at high speed or cycles; charging stops or will not start.
|
Overtemperature Protection (Internal Overheat) | View Details |
| E08 |
Display shows E08; charger will not start and may indicate ‘Ground Missing’ or ‘Protective Earth Fault’.
|
Protective Earth (Ground) Fault / Missing Ground | View Details |
| E09 |
Lucid charger shows E09 and the display or LEDs may flicker; unit may reboot repeatedly.
|
Internal Low-Voltage Power Supply Fault | View Details |
| E10 |
Display shows E10; charger will not connect to vehicle and may show ‘Relay Test Failed’ or ‘Self-Test Error’.
|
Self-Test / Contactor Pre-Charge Failure | View Details |
| E11 |
Lucid charger shows E11 and refuses to start; often after configuration changes or installation.
|
Configuration / DIP Switch / Current Setting Error | View Details |
| E12 |
Display shows E12; charger stops mid-session and cannot resume until power-cycled.
|
Isolation Monitoring Fault (DC Leakage / Insulation Fault) | View Details |
| E13 |
Lucid charger shows E13 and cannot connect to Wi‑Fi or cloud services; charging may still work locally.
|
Network Communication Module Fault | View Details |
| E14 |
Display shows E14; charger will not start and may show ‘Proximity Fault’ or ‘Connector Latch Error’.
|
Proximity / Latch Switch Fault in Charge Handle | View Details |
| E15 |
Lucid charger shows E15 and LEDs may flash in a pattern; unit does not respond to touch or button presses.
|
Front Interface / Touch Panel Communication Error | View Details |
| E16 |
Display shows E16; charger stops when another large load in the home turns on, or refuses to start at full current.
|
Load Management / Derating Fault | View Details |
| E17 |
Lucid charger shows E17; charging stops intermittently with ‘Phase Imbalance’ or ‘Line Asymmetry’ message (common on 3‑phase variants).
|
Line Phase Imbalance / Phase Loss | View Details |
| E18 |
Display shows E18; charger will not start and may show ‘EVSE Lockout’ or ‘Internal Fault – Service Required’.
|
Critical Internal Self-Test Failure / Lockout | View Details |
| E19 |
Lucid charger shows E19; vehicle reports ‘Pilot Error – Incompatible EVSE’.
|
Pilot Duty Cycle / Current Encoding Error | View Details |
| E20 |
Display shows E20; charger starts then immediately stops, repeating several times.
|
Contact Bounce / Relay Chatter Detection | View Details |
| – |
Lucid charger causes noticeable flickering of house lights when charging starts or stops.
|
High Inrush Current / Voltage Sag on Supply | View Details |
| – |
Lucid charger display is blank or unreadable, but the vehicle still charges normally.
|
Display / Interface Failure Only | View Details |
| – |
Lucid charger emits a burning smell or visible smoke during or shortly after starting a charge.
|
Overheating Component / Electrical Burn | View Details |
| – |
Lucid charger enclosure feels warm or hot to the touch even at low charging currents.
|
Enclosure Overheating / Poor Heat Dissipation | View Details |
| – |
Lucid charger fails to start charging only in very cold or very hot weather, with no explicit error code.
|
Temperature-Dependent Start Inhibition | View Details |
| – |
Lucid charger intermittently stops charging without any error code; charging resumes if unplugged and replugged.
|
Intermittent Output Drop / Thermal or Connection Interruption | View Details |
| – |
Lucid charger leaks water from the bottom of the enclosure or shows signs of internal moisture.
|
Water Ingress / Seal Failure | View Details |
| – |
Lucid charger makes loud humming or buzzing noises during operation.
|
Excessive Transformer / Contactor Hum | View Details |
| – |
Lucid charger output cable or handle becomes excessively hot during charging, but no error code is displayed.
|
Overheating Connector / High-Resistance Joint | View Details |
| – |
Lucid charger powers on but will not start charging; vehicle shows ‘Waiting for EVSE’ with no specific error code.
|
Standby Only / No Charge Authorization | View Details |
| – |
Lucid charger randomly reboots or restarts during charging without showing an error code.
|
Control Power Instability / Brownout | View Details |
| – |
Lucid charger trips the house breaker immediately when a charging session starts.
|
Branch Circuit Overload or Short | View Details |
| – |
Lucid charger’s cable is stiff, cracked, or the outer jacket is splitting, especially in cold weather.
|
Aged or Environmentally Damaged Output Cable | View Details |
| – |
Lucid charger’s front LEDs or indicators behave erratically (random flashing) while charging appears normal.
|
Indicator / LED Driver Anomaly | View Details |
| – |
Lucid charger’s Wi‑Fi or Bluetooth connection is unstable or frequently drops, but charging continues.
|
Intermittent Network Connectivity | View Details |
| – |
Lucid home charger completely dead – no lights, no display, no fan noise.
|
No Power / Dead Unit | View Details |
No matching codes found
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