Huawei NetCol5000-A User Manual page 180

NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm)
Alar Alarm
Alarm
m Severit
ID y
a064 Comp Critical
drive
lock
a065 Comp Major
drive
DC
overvolt
a066 Comp Major
drive
DC
undervo
lt
Comp
a067 Major
drive
overloa
d
a068 Comp Major
drive
overcur
rent
Issue 13 (2019-01-15)
Default
Impact
Value
N/A The alarm
is
generated
.
N/A The alarm
is
generated
.
N/A The alarm
is
generated
.
The alarm
N/A
is
generated
.
N/A The alarm
is
generated
.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Cause
The comp shuts down due
to the driver fault for
multiple times.
1. The power supply
voltage is high.
2. The comp driver is
faulty.
3. The comp is faulty.
1. The power supply
voltage is low.
2. The comp driver is
faulty.
3. The comp is faulty.
4. The main power supply
is faulty or the cables to
the comp driver are
loose or damaged.
1. The comp is in lack of
oil.
2. The condenser fins are
blocked.
3. The outdoor units do
not run properly.
4. The solenoid valve is
faulty.
5. The refrigerant is
overfilled.
6. The comp is faulty.
1. The comp is in lack of
oil.
2. The condenser fins are
blocked.
3. The outdoor units do
not run properly.
4. The solenoid valve is
faulty.
5. The refrigerant is
overfilled.
6. The comp is faulty.
Solution
Check whether other
alarms of the comp driver
are generated.
1. Check the power
supply voltage.
2. Maintain or replace the
comp driver.
3. Maintain or replace the
comp.
1. Check the power
supply voltage.
2. Maintain or replace the
comp driver.
3. Maintain or replace the
comp.
4. Reconnect the main
power supply or the
cables to the comp
driver.
1. Fill oil to the comp.
2. Clean the condenser
fins.
3. Maintain or replace the
outdoor units.
4. Maintain or replace the
solenoid coil or the
solenoid valve.
5. Decrease certain
amount of refrigerant.
6. Maintain or replace the
comp.
1. Fill oil to the comp.
2. Clean the condenser
fins.
3. Maintain or replace the
outdoor units.
4. Maintain or replace the
solenoid coil or the
solenoid valve.
5. Decrease certain
amount of refrigerant.
6. Maintain or replace the
comp.
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