Troubleshooting Common Faults - Huawei SCharger-7KS-S0 User Manual

Troubleshooting Common Faults

Possible Cause
Symptom
The upstream input power is abnormal.
The upstream RCBO is abnormal.
The indicator
The AC power cable is abnormal (damaged,
is off.
loosely connected, or other connection faults).
The charger is faulty.
The AC input power cable of the charger is
loose, damaged, or incorrectly connected to
the power distribution box.
The earthing system is incorrectly set.
The indicator
The charger socket is faulty.
is steady red.
The charging connector cable is damaged
or abnormal.
There is a risk of current leakage.
Other causes
Solution
Check the upstream input power cable.
Check the upstream RCBO. If the RCBO is faulty,
replace it.
Check the cable.
Contact the after-sales team.
Reconnect the cable as required.
Contact the installer to correct the earthing system.
Contact the after-sales team.
Replace the charging connector.
Switch off the upstream RCBO and power on the
charger 5 seconds later.
If the fault persists after the restart, contact the
after-sales service team.
18