Huawei LUNA2000-2.0MWH-1H0 - Page 150

Alar
m ID
Alarm
Name
Severit
y
Possible Causes Troubleshooting Suggestions
3835 Rectier
Communi
cation
Failure
Major Cause ID=1-6
1. The rectier has been
removed.
2. The rectier is faulty
and not working.
1. Remove rectier and then insert it 1
minute later.
2. Replace rectier or the monitoring
module.
3. If the fault persists, contact your
dealer or Huawei technical support.
3836 Rectier
Power
Failure
Major Cause ID=1-6
The AC loop is
disconnected.
1. Check whether the AC input is
normal. If the input is normal,
replace rectier.
2. If the fault persists, contact your
dealer or Huawei technical support.
3837 Rectier
Output
Overvolta
ge
Major Cause ID=1-6
Lockout has occurred due
to output overvoltage.
1. Remove rectier and then insert it 1
minute later.
2. If the fault persists, contact your
dealer or Huawei technical support.
3838 T/H
Sensor
Communi
cation
Failure
Minor Cause ID=1
T/H sensor
communication failed.
1. Check whether the communications
cable of the device is correctly
connected.
2. Check whether the power supply of
the device is normal.
3839 Air
Condition
er
Communi
cation
Failure
Minor Cause ID=1-13
Air Conditioner
communication failed.
3840 CO
Sensor
Communi
cation
Failure
Minor Cause ID=1-6
CO Sensor
communication failed.
3841 H
2
Sensor
Communi
cation
Failure
Minor Cause ID=1
H
2
sensor 1
communication failed.
3842 ESU
Communi
cation
Failure
Minor Cause ID=1-6
ESU communication
failed.
LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual 10 Alarm Reference
Issue 02 (2021-11-15) Copyright © Huawei Technologies Co., Ltd. 142