Huawei LUNA2000-2.0MWH Series User Manual page 209

LUNA2000-2.0MWH Series Smart String ESS
User Manual
Alarm Alarm
ID Name
3033 Communi
cation
Failure on
Power
Control
Unit of
Rack
Controller
Issue 08 (2022-11-15)
Severity Possible Cause
Major Cause ID = 1
The internal
communication of the
rack controller has
failed.
Copyright © Huawei Technologies Co., Ltd.
10 Alarm Reference
Suggestion
1. Locate the input and output
circuit breakers associated with
[ESC-No].
2. Issue a shutdown command, turn
off the switch on the battery side,
the switch on the bus side, and
the AC power supply switch, and
wait for 5 minutes.
3. Turn on the AC power supply
switch, the switch on the battery
side, and the switch on the bus
side in sequence, and issue a
startup command.
4. If the alarm persists, contact your
dealer or technical support.
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