Huawei FusionModule800 User Manual

Component Alarm Name Alarm
Severit
y
Possible Cause Measures
EEV auto control
fault
Critical 1. The suction pressure
sensor is faulty.
2. The suction
temperature sensor
is faulty.
1. Verify that the
suction pressure
sensor works
properly.
2. Verify that the
suction temperature
sensor works
properly.
EEV driver comm.
fault
Major 1. The electronic
expansion valve
driver is faulty.
2. The communication
port of the control
board is faulty.
1. Replace the control
board.
2. Maintain or replace
the control board.
EEV driver fault Major 1. Cables to the
electronic expansion
valve coil are not
properly connected.
2. The electronic
expansion valve
driver is faulty.
1. Check cables to the
electronic expansion
valve driver.
2. Replace the control
board.
Outdoor fan
communication
failure
Major 1. The indoor and
outdoor
communications
cable is not properly
connected.
2. The outdoor fan
driver is faulty.
3. The outdoor unit is
not powered on.
4. The communication
port of the control
board is faulty.
1. Check the indoor and
outdoor
communications
cable.
2. Maintain or replace
the outdoor fan
driver.
3. Power on the
outdoor unit.
4. Maintain or replace
the control board.
Outdoor fan run
overtime
Warnin
g
The outdoor fan
running time exceeds
the upper limit.
Replace the outdoor
fan, and clear the
accumulated running
time.
Outdoor fan driver
fault
Major The fan driver has
generated a major
alarm.
Clear the major alarm
for the driver.
FusionModule800 Smart Small Data Center
User Manual 6 O&M
Issue 01 (2021-02-05) Copyright © Huawei Technologies Co., Ltd. 396

Huawei FusionModule800 Specifications

General

Brand	Huawei
Model	FusionModule800
Category	Storage
Language	English