Huawei LUNA2000-100KTL-M1 User Manual page 99

LUNA2000-100KTL-M1 Smart Power Control System
User Manual
Alarm Alarm
ID Name
2087 Internal
Fan
Abnormal
2095 Manageme
nt System
Certificate
Invalid
2096 Manageme
nt system
certificate
to expire
2097 Manageme
nt system
certificate
expired
2098 Parallel
System
Communica
tion Failure
Issue 02 (2023-01-10)
Severi Possible Cause
ty
Major Cause ID = 1–4
The internal fan is short-
circuited, the power supply is
insufficient, or the fan is
damaged.
Warni Cause ID = 1
ng
The digital signature
certificate is invalid.
Warni Cause ID = 1
ng
The digital signature
certificate is about to expire.
Major Cause ID = 1
The digital signature
certificate has expired.
Major Cause ID = 1
The parallel communication
line is abnormal.
Copyright © Huawei Technologies Co., Ltd.
8 Alarm Reference
Suggestion
Turn off 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.
Check the time or replace the
digital signature certificate.
Replace the digital signature
certificate in time.
Replace the digital signature
certificate immediately.
Power off the devices
connected to the same DC bus
(turn off the AC switches and
DC switches, and wait for a
period specified 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.
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