User's Manual

M3P U-series AC EV Charging Station User Manual
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7. FAULT HANDLING AND MAINTENANCE
7.1. Fault Handling
The Charger is automatically protected in the event of the fault. The fault information and handling
methods are as follows.
indicator
information
Fault category Handling Method
Flash slowly once and
fast 1 times
CP voltage
anomaly
Fault code 11: Check that the connector is properly
connected to the electric vehicle, pull and plug the
connector and try charging again.
Flash slowly once and
fast 3 times
Under voltage fault
Fault code 13: Check that the input cable is reliably
connected, that the parent grid is properly
connected, and that the grid voltage is abnormal.
Flash slowly once and
fast 4 times
Input over voltage
Fault code 14: Check whether the input cable is
connected correctly; Whether the grid voltage is
abnormal.
Flash slowly once and
fast 5 times
Over-temperature
protection
Fault code 15: Check whether the Charger is
covered or installed in a high temperature
environment.
Flash slowly once and
fast 6 times
Metering fault Fault code 16: Power off and restart the device.
Flash slowly once and
fast 7 times
Leakage protection
Fault code 17: Check whether the charging
connector and its cable are damaged or wet.
Recover after pulling out the connector.
Flash Slowly once and
fast 8 times
Output shortage
Fault code 18: Check whether the charging
connector and its cables are damaged or wet.
Flash slowly once and
fast 9 times
Output over current
Fault code 19: Check whether the charging
connector is correctly connected to the car, and
check whether the on-board charger is normal