Huawei LUNA2000-2.0MWH Series User Manual page 204

LUNA2000-2.0MWH Series Smart String ESS
User Manual
Alarm Alarm
ID Name
3017 Battery
Side Short
Circuit on
Rack
Controller
3018 Battery
Side
Reverse
Polarity
on Rack
Controller
Issue 08 (2022-11-15)
Severity Possible Cause
Major Cause ID = 1–3
The battery cable is
incorrectly connected.
Major Cause ID = 1–3
Battery cables are
connected in reverse
polarity.
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
and then the switch on the bus
side, and wait for 5 minutes.
3. Check for voltage at both ends of
the battery switch. If no voltage is
detected, check whether the cable
is short-circuited or grounded.
4. Check the cable connections on
the battery side of the power
control module by referring to the
maintenance manual of the
product.
5. After checking that the battery
power cable is correctly
connected, turn on the switch on
the battery side and then the
switch on the bus side, and issue
a startup command.
6. If the alarm persists, contact your
dealer or technical support.
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
and then the switch on the bus
side, and wait for 5 minutes.
3. Check whether the copper bars
and cables on the battery side of
the power control module are
connected in reverse polarity by
referring to the product
maintenance manual.
4. After checking that the battery
power cable is correctly
connected, turn on the switch on
the battery side and then the
switch on the bus side, and issue
a startup command.
5. If the alarm persists, contact your
dealer or technical support.
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