Huawei LUNA2000-2.0MWH Series User Manual page 196

LUNA2000-2.0MWH Series Smart String ESS
User Manual
Alarm Alarm
ID Name
3838 T/H
Sensor
Communic
ation
Failure
3839 Air
Condition
er
Communic
ation
Failure
3840 CO Sensor
Communic
ation
Failure
3842 ESC
Communic
ation
Failure
3843 TCU
Communic
ation
Failure
3844 Rectifier
Communic
ation
Failure
Issue 08 (2022-11-15)
Severity Possible Cause
Minor Cause ID = 1–5
T/H sensor
communication failed.
Minor Cause ID = 1–13
[HVAC-No]
communication failed.
Minor Cause ID = 1–6
CO sensor
communication failed.
Minor Cause ID = 1–6
ESU communication
failed.
Minor Cause ID = 1, 2
TCU communication
failed.
Minor Cause ID = 1
Rectifier communication
failed.
Copyright © Huawei Technologies Co., Ltd.
10 Alarm Reference
Suggestion
1. Check whether the
communication cable is correctly
connected to the device. If not,
reconnect the cable properly.
2. Check whether the power supply
of the device is normal. If not,
contact your technical support.
1. Check whether the
communication cable is correctly
connected to the device. If not,
reconnect the cable properly.
2. Check whether the power cable
of the device is loose. If yes,
connect the cable securely.
3. If the fault persists, contact your
technical support.
1. Check whether the
communication cable is correctly
connected to the device. If not,
reconnect the cable properly.
2. Check whether the power supply
of the device is normal. If not,
contact your technical support.
1. Check whether the
communication cable is correctly
connected to the device. If not,
reconnect the cable properly.
2. Check whether the power cable
of the device is loose. If yes,
connect the cable securely.
3. If the fault persists, contact your
technical support.
1. Turn off the TCU power switch.
2. Check whether the
communication cable is correctly
connected to the device. If not,
reconnect the cable properly.
3. Check whether the power supply
of the device is normal. If not,
contact your technical support.
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