Huawei PV+ESS+Charger Solution - Page 72

No. Component Alarm Name Alarm
Sev
erity
Possible
Cause
Suggestion
7 AC Charger Leakage
Detection
Circuit Fault
Critical The leakage
detection
circuit is
faulty.
Step 1 Restart the charger and
check whether the charger
alarm is cleared.
If yes, no further action is
required.
If no, replace the charger.
8 AC Charger Contactor
Fault
Major The
contactor is
adhered.
Step 1 Restart the charger and
check whether the charger
alarm is cleared.
If yes, no further action is
required.
If no, replace the charger.
9 AC Charger Temperature
Sensor Faulty
Major The
temperature
sensor is
faulty.
Step 1 Restart the charger, wait
for 1 minute, charge the vehicle
again, and check whether the
fault is rectied.
If yes, no further action is
required.
If no, replace the charger.
10 AC Charger Input Phase
Failure
Minor The charging
cable is
incorrectly
connected.
Step 1 Check whether the input
voltage is abnormal.
If yes, rectify the mains input
circuit and ensure that the
voltage is normal. If the alarm
persists, go to the next step.
If no, go to the next step.
Step 2 Restart the charger, wait
for 1 minute, and check
whether the alarm is cleared.
If yes, no further action is
required.
If no, replace the charger.
PV+ESS+Charger Solution
User Manual 5 Maintenance
Issue 02 (2023-01-13) Copyright © Huawei Technologies Co., Ltd. 66