Huawei NetCol5000-A050 User Manual page 230

NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual
Alarm
ID
A27F-0
1
A280-0
2
A280-0
1
Issue 08 (2021-09-17)
Alarm Name Alar
m
Seve
rity
Water CRITI
overflow CAL
alarm
Power MAJ
frequency OR
abnormal
Power MAJ
frequency OR
abnormal
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
1. The water
overflow sensor
detects water or
the sensor is
faulty.
2. The drainage
filter is blocked.
3. The drainpipe is
blocked.
4. The drain pump
is faulty.
5. The high liquid
level sensor is
faulty.
1. The power
supply frequency
exceeds the upper
threshold.
2. The SPD and
voltage detection
board is faulty.
1. The power
supply frequency
is below the lower
threshold.
2. The SPD and
voltage detection
board is faulty.
9 Alarm Reference
Solution
1. While configuring the
water overflow sensor,
check and clear the
water source, and
maintain or replace the
sensor.
2. Clear the foreign
matter in the water pan
and filter. Then, press
and hold down the low
float (if there is) for 3s
and release it.
3. Check that the
drainpipe is not blocked
or bent. Then, press
and hold down the low
float (if there is) for 3s
and release it.
4. If the drain pump is
configured, check its
cable connections, clear
the foreign matter in it,
or replace it.
5. While configuring the
high liquid level sensor,
check its cable
connections, clear the
obstacles, or replace it.
1. Check the power
supply frequency, and
ensure that it is within
the working range.
2. Replace the SPD and
voltage detection
board.
1. Check the power
supply frequency, and
ensure that it is within
the working range.
2. Replace the SPD and
voltage detection
board.
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