Huawei NetCol5000-A035 User Manual page 173

NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm Width)
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Issue 17 (2020-10-22)
Alar Alar Defau
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Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Impac Possible Cause
t
The The a008 comp HP
alarm alarm is generated
is frequently.
genera
ted,
and
the
compr
essor
is
locked
and
not
allowe
d to be
started
.
The 1. The refrigerant
alarm leaks.
is
2. The solenoid
genera
valve is faulty.
ted,
3. The cables to the
and
low press switch
the
are loose or
compr
damaged.
essor
4. The low press
shuts
switch is
down
faulty.The dryer
forcibl
filter is blocked.
y.
5. The expansion
valve is blocked.
6. The indoor fans
are faulty.
Solution
Reference to the
solutions for the
a008 comp HP
alarm.
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
low press
switch.
4. Maintain or
replace the low
press switch.
5. Maintain or
replace the
dryer filter.
6. Maintain or
replace the
expansion valve.
7. Maintain or
replace the
indoor fans.
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