Huawei FusionModule1000A20 Maintenance Manual page 78

FusionModule1000A20 Prefabricated All-in-One
Data Center
Maintenance Guide
Symptom Alarm
The Comp.Fault
intelligent
heat
exchanger is
powered on
but has
insufficient
cooling
output.
HP.Alarm
Comp.Fault
Issue 03 (2022-12-15)
Possible
Cause
The cooling
output of
the
intelligent
heat
exchanger is
insufficient
because the
compressor
is faulty.
The cooling
output of
the
intelligent
heat
exchanger is
insufficient
due to
blockage by
dirt or
foreign
matter.
There is
refrigerant
leakage.
Copyright © Huawei Digital Power Technologies Co., Ltd.
5 Common Faults and Troubleshooting Measures
Solution
Replace the equipment with a new one.
● The condenser is blocked by dirt:
Measure: Use a washing tool to clean the
condenser until the drainage becomes clean.
● The evaporator is blocked by dirt:
Measure: Use dry cotton cloth to wipe off the dirt
or blockage.
● The indoor air supply or return vent is blocked by
foreign matter:
Measure: Remove the blockage.
Identify the leakage point of the pipeline, drain the
refrigerant, and fix the leaking point by welding.
Then, charge nitrogen into the pipeline, preserve the
pressure to verify the air tightness, vacuumize the
pipeline, and then fill refrigerant.
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