Huawei FusionModule800 Maintenance Manual page 21

FusionModule800 Smart Small Data Center
Maintenance Guide
Component
Issue 02 (2016-11-15)
Alarm Name Alarm
Severity
Comp drive Critical
short period
Indoor fan Critical
failure
EEV high Critical
overheating
locked
EEV auto Critical
control fault
Indoor fan Critical
malfunction in
high humidity
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3 Alarm References
Possible Measures
Cause
A compressor Maintain or
drive fault replace the
occurs multiple compressor
times or the drive, and clear
compressor the cumulative
drive fault is runtime.
not rectified
within a long
time.
1. The indoor 1. Maintain or
fan is faulty. replace the
indoor fan.
2. Cables to
the indoor 2. Check
fan are loose cables to the
or damaged. indoor fan.
1. The 1. Reinstall the
electronic electronic
expansion expansion
valve coil is valve coil.
loose.
2. Replace the
2. The electronic
electronic expansion
expansion valve coil.
valve coil is
3. Replace the
faulty.
electronic
3. The expansion
electronic valve.
expansion
valve is
faulty.
1. The suction 1. Rectify the
pressure fault of the
sensor is suction
faulty. pressure
sensor.
2. The suction
temperature 2. Rectify the
sensor is fault of the
faulty. suction
temperature
sensor.
One or more Check and
indoor fans are replace faulty
indoor fans.
faulty and the
ambient
humidity is
high.
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