Component
Alarm Name
Alarm
Severit
y
Possible Cause
Measures
Cond pump fault
Major
1. Cables to the water
pump are not
properly connected.
2. The water pump is
faulty.
3. The water pump
races due to a liquid
level detection fault.
4. The water pump is
blocked.
1. Verify pump cable
connections.
2. Replace the water
pump.
3. Rectify the liquid
level detection fault.
4. Remove foreign
matter in the water
pump.
Cond pump exceed
runtime
Warnin
g
The accumulated
runtime of the cond
pump exceeds the
alarm threshold.
Maintain or replace the
cond pump and clear
the accumulated
runtime.
PSU power input
failure
Warnin
g
The power input cables
of the PSU are loose or
damaged.
Check the power input
cables of the PSU.
PSU fault
Major
The PSU is faulty.
Maintain or replace the
PSU.
PSU comm
interrupt
Major
1. The communication
cables of the PSU
are faulty.
2. The PSU is faulty.
3. The communication
port of the control
board is faulty.
1. Check the
communication
cables of the PSU.
2. Maintain or replace
the PSU.
3. Maintain or replace
the control board.
EEV driver power
off
Critical
EEV driver board fault.
Replace the main
control module.
EEV driver fault
locked
Critical
The EEV driver fault
alarm is generated
frequently.
Refer to the solutions
for the EEV driver fault
alarm.
FusionModule800 Smart Small Data Center
User Manual
6 O&M
Issue 01 (2021-02-05)
Copyright © Huawei Technologies Co., Ltd.
394