Huawei PV+ESS+Charger Solution - Page 75

No. Component Alarm Name Alarm
Sev
erity
Possible
Cause
Suggestion
15 AC Charger Certicate
Expired
Major The possible
causes are as
follows:
1. The
charger
system time
is incorrectly
set.
2. The
charging
controller
certicate
has expired.
Step 1 Check whether the
system time is incorrectly set.
If yes, reset or synchronize the
system time. Wait for 1 hour
and check whether the alarm is
cleared. If the alarm persists, go
to the next step.
If no, go to the next step.
Step 2 Apply for a new
certicate. If you cannot apply
for a new certicate, contact
technical support.
Step 3 Import the new
certicate and check whether
the alarm is cleared.
If yes, no further action is
required.
If no, replace the charger.
16 AC Charger Certicate
Will Expire
Major The possible
causes ar
e as
follows:
1. The
dierence
between the
charger
system time
and the
expiration
time of the
charging host
certicate is
less than 90
days.
2. The system
time is
incorrectly
set.
Step 1 Check whether the
system time is incorrectly set.
If yes, reset or synchronize the
system time. Wait for 1 hour
and check whether the alarm is
cleared. If the alarm persists, go
to the next step.
If no, go to the next step.
Step 2 Apply for a new
certicate. If you cannot apply
for a new certicate, contact
technical support.
Step 3 Import the new
certicate 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. 69