Huawei PV+ESS+Charger Solution User Manual page 74

PV+ESS+Charger Solution
User Manual
No. Component
13 AC Charger
14 AC Charger
Issue 02 (2023-01-13)
Alarm Name Alarm
Severity
High Minor
Temperature
Cable Critical
Connection
Abnormal
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Possible Suggestion
Cause
The possible Step 1 Check whether the
causes are as charger is exposed to strong
follows: sunlight.
1. The If yes, shield the charger from
ambient direct sunlight. If the alarm
temperature persists, go to the next step.
of the
If no, go to the next step.
charger is
Step 2 Check whether there are
too high.
heat sources around.
2. The cable
If yes, keep the charger away
is short-
from heat sources. If the alarm
circuited.
persists, go to the next step.
If no, go to the next step.
Step 3 Check whether the
ambient temperature is lower
than 40°C.
If yes, replace the charger when
the alarm persists.
If no, restart the charger after
the ambient temperature drops.
Wait for 1 minute and check
whether the alarm is cleared. If
the alarm persists, replace the
charger.
The possible Step 1 Check whether the
causes are as charger is properly grounded.
follows:
If yes, go to the next step.
1. The
If no, contact your electrician to
charger is
ground the charger correctly.
not
Step 2 Contact the electrician to
grounded.
check whether the live wire and
2. The live
neutral wire are reversely
wire and
connected (by checking
neutral wire
whether the voltage between
are reversely
the PE wire and neutral wire is
connected.
greater than 60 V).
If yes, contact your electrician
to connect the wires correctly.
If no, replace the charger.
5 Maintenance
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