WALLY AC EV Charging Station User Manual
DOC ID: UM210801.A0 27
7.
FAULT HANDLING AND MAINTENANCE
7.1.
Fault Handling
The charging station is automatically protected in the event of the fault. The fault information and
handling methods are as follows.
Fault information
Fault
Handling Method
Both the LED
indicator lights and
screen (if any) are not
on
－
※
Check whether the branch breaker is tripped, and
close the breaker after troubleshooting;
※
Check whether the connection is correct, if the
cable comes off, should be properly connected to
tighten the cable;
※
Check if the branch fuse is fused, and replace it
after troubleshooting.
Fault light flash slowly
once and fast once.
CP voltage
anomaly
Fault code 11: Check that the adapter is properly
connected to the electric vehicle, pull and plug the
adapter and try charging again.
Fault light flash slowly
once and fast twice
Emergency stop
Fault code 12: The E-stop button is pressed, after
troubleshooting, rotary the button and reset it, the
fault state will exit.
Fault light flash slowly
once and fast 3 times
Input a under
voltage
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.
Fault light 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.
Fault light flash slowly
once and fast 5 times
Over-temperature
protection
Fault code 15: Check whether the charging station is
covered or installed in a high temperature
environment.
Fault light flash slowly
once and fast 6 times
Metering fault
Fault code 16: Power off and restart the device.
Fault light flash slowly
once and fast 7 times
Leakage protection
Fault code 17: Check whether the charging adapter
and its cable are damaged or wet. Recover after
pulling out the adapter.
