Huawei PV+ESS+Charger Solution - Page 69

No. Component Alarm Name Alarm
Sev
erity
Possible
Cause
Suggestion
2 Charging
Connector
Overcurrent Minor The charging
control of the
vehicle
malfunctions.
Step 1 Check whether an alarm
is generated on the vehicle. If
yes, clear the vehicle alarm and
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.
PV+ESS+Charger Solution
User Manual 5 Maintenance
Issue 02 (2023-01-13) Copyright © Huawei Technologies Co., Ltd. 63