Alarm
ID
Alarm
Name
Severi
ty
Possible Cause Suggestion
2087 Internal
Fan
Abnormal
Major Cause ID = 1–4
The internal fan is short-
circuited, the power supply is
insucient, or the fan is
damaged.
Turn o the AC switch and DC
switch, wait for 5 minutes, and
then turn on the AC switch and
DC switch. If the fault persists
after the device runs for 5
minutes, contact your dealer or
technical support to replace
the device.
2095 Manageme
nt System
Certicate
Invalid
Warni
ng
Cause ID = 1
The digital signature
certicate is invalid.
Check the time or replace the
digital signature certicate.
2096 Manageme
nt system
certicate
to expire
Warni
ng
Cause ID = 1
The digital signature
certicate is about to expire.
Replace the digital signature
certicate in time.
2097 Manageme
nt system
certicate
expired
Major Cause ID = 1
The digital signature
certicate has expired.
Replace the digital signature
certicate immediately.
2098 Parallel
System
Communica
tion Failure
Major Cause ID = 1
The parallel communication
line is abnormal.
Power o the devices
connected to the same DC bus
(turn o the AC switches and
DC switches, and wait for a
period specied on the device
safety warning label), and then
perform the following
operations:
Check that the
communications cable is
securely connected and turn on
the AC switches and DC
switches. If the fault persists,
contact your dealer or
technical support.
LUNA2000-100KTL-M1 Smart Power Control System
User Manual 8 Alarm Reference
Issue 02 (2023-01-10) Copyright © Huawei Technologies Co., Ltd. 93