Huawei NetCol5000-A021 User Manual page 168

NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)
Alarm Alarm Name
ID
HP lock
a059 Suction
pressure sensor
fault
a060 Comp suction
LP
a061 Comp suction
LP lock
a062 Comp drive
alarm
a063 Comp drive
comm failed
Issue 03 (2020-01-10)
Alarm Impact
Severity
the compressor
is shut down.
The alarm can
be manually
cleared.
Major The alarm is
generated.
Major The alarm is
generated, and
the compressor
is shut down.
Critical The alarm is
generated, and
the compressor
is shut down.
Major The alarm is
generated, and
the compressor
is shut down.
Critical The alarm is
generated, and
the compressor
is shut down
(the
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Causes Solution
alarm.
alarm is generated
frequently.
NOTE
1. The cables to 1. Check the cables to the
the press sensor
are loose or
2. Replace the press sensor.
damaged.
2. The press
sensor is faulty.
1. The refrigerant 1. Check for any leakages.
leaks.
2. The solenoid
valve is faulty.
2. Maintain or replace the
3. The cables to
the press sensor
are loose or
damaged. 3. Check the cables to the
4. The press
displayed is 4. Calibrate or replace the
different from
the actual press.
5. Maintain or replace the
5. The dryer filter
is blocked.
6. Maintain or replace the
6. The expansion
valve is
7. Maintain or replace the
blocked.
7. The indoor fans
are faulty.
The a060 comp Reference to the solutions for
suction LP alarm is the a060 comp suction LP
alarm.
generated
frequently.
NOTE
1. The comp 1. Maintain or replace the
driver is faulty.
2. The comp is 2. Maintain or replace the
faulty.
NOTE
1. The cables to 1. Check the cables to the
the comp driver
are loose or
2. Maintain or replace the
damaged.
2. The comp
3. Turn on the air switch of
After the alarm is rectified, click
Manual clear on the alarm page.
press sensor.
Fill refrigerant after
maintenance or
replacement.
solenoid coil or the
solenoid valve.
press sensor.
press sensor.
dryer filter.
expansion valve.
indoor fans.
After the alarm is rectified, click
Manual clear on the alarm page.
comp driver.
comp.
After the alarm is rectified, click
Manual clear on the alarm page.
comp driver.
comp driver.
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