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Fault information
Handling method
Fault
• Check whether the charging adapter and its cables are
damaged or wet.
Fault LED:
• 1x slow, 8x fast
Fault code 18:
Output shortage
• Check whether the charging connector is correctly
connected.
• check whether the OBC is normal.
Fault LED:
• 1x slow, 9x fast
Fault code 19:
Output overcurrent
• EV fully charged. Or
• The charging connector is not properly connected.
• Disconnect and reconnect the charging connector.
Fault LED:
• 2x slow, 1x fast
Fault code 21:
EV response
timeout
• This EV does not meet the IEC standards and cannot be
charged.
Fault LED:
• 2x slow, 2x fast
Fault code 22:
EV not supported
• The device is damaged and needs to be returned to the
factory for repair.
Fault LED:
• 2x slow, 3x fast
Fault code 23:
Relay sticking
• The device is damaged and needs to be returned to the
factory for repair.
Fault LED:
• 2x slow, 4x fast
Fault code 24:
RCD fault
• Charging station is not grounded; input power cable needs
to be checked.
Fault LED:
• 2x slow, 5x fast
Fault code 25:
Earth fault
7.2. Maintenance
To ensure the long-term stable operation of the equipment, please maintain the equipment regularly (usually
every month) according to the operating environment.
a) The equipment is maintained by professionals.
b) Check whether the equipment is well grounded and safe.
c) Check whether there are potential safety hazards around the charging pile, such as whether there are high
temperature, corrosion or inflammable and explosive articles close to the charging station.
d) Check whether the join point of the input terminal is in good contact and whether there is any abnormality.
Check whether other terminal points are loose.