Huawei PV+ESS+Charger Solution User Manual page 69

PV+ESS+Charger Solution
User Manual
No. Component
2 Charging
Connector
Issue 02 (2023-01-13)
Alarm Name Alarm
Severity
Overcurrent Minor
Copyright © Huawei Technologies Co., Ltd.
Possible Suggestion
Cause
The charging Step 1 Check whether an alarm
control of the is generated on the vehicle. If
vehicle yes, clear the vehicle alarm and
malfunctions. check whether the charger
alarm is cleared.
If the charger alarm is cleared,
no further action is required.
If no vehicle alarm is generated
or the charger alarm persists
after the vehicle alarm is
cleared (if any), go to the next
step.
Step 2 Check whether the
vehicle has charge current
settings. If yes, set the charge
current to a value less than the
upper power threshold of the
charger, and check whether the
charger alarm is cleared.
If the charger alarm is cleared,
no further action is required.
If no charge current settings are
available or the charger alarm
persists after the setting, go to
the next step.
Step 3 Restart the charger and
check whether the charger
alarm is cleared.
If the charger alarm is cleared,
no further action is required.
If the charger alarm persists, go
to the next step.
Step 4 Contact the vehicle
manufacturer to check whether
the vehicle is faulty.
If yes, repair the vehicle.
If no, replace the charger.
5 Maintenance
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