Huawei PV+ESS+Charger Solution User Manual page 72

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