Huawei Smart String ESS LUNA2000-200KWH-2H1 - Page 133

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
6 Alarm Reference
Issue Draft (2022-10-30)
Copyright © Huawei Technologies Co., Ltd.
126
Alarm
ID
Alarm
Name
Alarm
Severit
y
Possible Cause
Suggestion
evacuate the onsite personnel as soon as
possible, and call the fire emergency
number.
3. If no exception is found during remote
monitoring and onsite observation,
manually clear the alarm remotely. If the
alarm clearance fails, close the cabin doors
and clear the alarm 20 minutes later. If the
alarm persists, contact your technical
support.
Cause ID = 2
1. Do not open the cabin doors and evacuate
onsite personnel.
2. For details, see Emergency Handling Plan
in the maintenance manual.
3. Contact your technical support.
3833
Rectifier
Fault
Cause ID = 1–6
The rectifier hardware is
faulty.
1. Replace rectifier [Number].
2. If the fault persists after the replacement,
contact your technical support.
3834
Rectifier
Protectio
n
Cause ID = 1–6
1. The AC voltage is
abnormal.
2. The ambient
temperature is too
high.
1. Check whether the AC input voltage is
greater than 300 V. If yes, check the power
supply.
2. Check whether the air vent of the faulty
rectifier [Number] is blocked. If yes, clean
the air vent. Check whether there is a heat
source near the air vent. If yes, remove the
heat source. Check whether the heat
dissipation fan is damaged. If yes, replace
the rectifier.
3. If the fault persists, contact your technical
support.
3835
Rectifier
Commun
ication
Failure
Cause ID = 1–6
1. The rectifier has been
removed.
2. The rectifier is faulty
and not working.
1. Turn off the AC input switch of the PSU.
2. Remove the rectifier [Number] and insert it
again.
3. If the fault persists, replace the rectifier
[Number] or monitoring module.
4. If the fault persists after the replacement,
contact your technical support.
3836
Rectifier
Power
Failure
Cause ID = 1–6
The AC loop is
disconnected.
1. Check whether the AC input voltage is less
than 80 V. If yes, check the power supply.
If not, replace the faulty rectifier [Number].
2. If the fault persists after the replacement,
contact your technical support.
3837
Rectifier
Output
Overvolt
Cause ID = 1–6
The PSU locks out due to
output overvoltage.
1. Turn off the AC input switch of the PSU.
2. Remove the rectifier [Number] and insert it
again.