Kw Air-Cooled Precision Air Conditioner Alarms - Huawei FusionModule 1000B Maintenance Manual

FusionModule1000B Air-Cooled IT Solution
Maintenance Guide

5.16 35 kW Air-Cooled Precision Air Conditioner Alarms

Fault
Category
35 kW
air-cooled
precision
air
conditione
r alarms
Issue 02 (2017-01-10)
Alar Symptom
m
Sever
ity
Major There is an abnormal
noise during
operation.
Major The compressor does
not work.
Major The compressor
exhaust temperature
is too high.
Major The indoor fan fails
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Possible Troubleshooting
Cause
The compressor, Check and secure loose
fan, or pipes are parts.
loose.
The high Check the high pressure
pressure switch switch.
is triggered.
The circuit Check the main circuit
breaker, fuse, or breaker, compressor
cable is circuit breaker, fuses,
disconnected. and cables.
The compressor Check whether the motor
motor is is damaged and needs
damaged. replacing.
The compressor Check for the
does not need to requirement status on the
start. LCD.
The refrigerant Clean up foreign matter
loop or from the refrigerant loop.
component is
blocked.
The outdoor Properly install the
unit is not outdoor unit. Do not
properly expose it to direct
installed. sunshine, and verify that
the distances meet
requirements in the
installation manual.
Air enters the Exhaust air and repair
refrigerant loop. the pipeline.
Heat dissipation Clean the condenser fins.
is poor because
the condenser is
dirty or blocked.
The outdoor fan Check whether the
fails. outdoor fan is working
properly.
The refrigerant Fill more refrigerant.
is insufficient.
The main circuit Check the status of
5 Alarms and Faults
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