Huawei NetCol5000-A035 User Manual page 188

NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm Width)
Al
ar
m
ID
a0
60
a0
61
Issue 17 (2020-10-22)
Alar Alar Defau
m m lt
Seve Value
rity
Com Majo 0.25
p r MPa
sucti
on
LP
Com Critic 0.25
p al MPa
sucti
on
LP
lock
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Impac Possible Cause
t
The 1. The refrigerant
alarm leaks.
is
2. The solenoid
genera
valve is faulty.
ted,
3. The cables to the
and
press sensor are
the
loose or
compr
damaged.
essor
4. The press
shuts
displayed is
down.
different from
the actual press.
5. The dryer filter is
blocked.
6. The expansion
valve is blocked.
7. The indoor fans
are faulty.
The The a060 comp LP
alarm alarm is generated
is frequently.
genera
ted,
and
the
compr
essor
is
locked.
Can
not
start
the
locked
compr
essor.
Solution
1. Check for any
leakages. Fill
refrigerant after
maintenance or
replacement.
2. Maintain or
replace the
solenoid coil or
the solenoid
valve.
3. Check the
cables to the
press sensor.
4. Calibrate or
replace the
press sensor.
5. Maintain or
replace the
dryer filter.
6. Maintain or
replace the
expansion valve.
7. Maintain or
replace the
indoor fans.
Refer to the
solutions for the
a060 comp LP
alarm.
178