Huawei NetCol8000-C User Manual page 195

NetCol8000-C(070-260) In-room Chilled Water Smart
Cooling Product
User Manual
Alar Alarm
m ID Name
loss
a213 Backup
power
failure alarm
a214 Backup
power A-B
line
overvoltage
alarm
a215 Standby
power
AB/BC/CA
undervoltag
e
a216 Standby
power
overfreq
a217 Standby
power
underfreq
a218 Standby
SPD 3-ph
test bd com
fault
a219 Standby
SPD failed
Issue 06 (2020-01-13)
Alarm Impact
Severi
ty
Major N/A
Major N/A
Major N/A
Major N/A
Major N/A
Major N/A
Major N/A
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
configured)may be faulty.
1. The backup power supply
voltage exceeds the upper
threshold.
2. The backup SPD
three-phase detection board
is faulty.
1. The backup power supply
voltage exceeds the upper
threshold.
2. The backup SPD
three-phase detection board
is faulty.
1. The backup power supply
voltage is below the lower
threshold.
2. The cables to the backup
SPD three-phase detection
board are loose or damaged.
3. The backup SPD
three-phase detection board
is faulty.
1. The power supply
frequency is too high.
2. The SPD three-phase test
board is faulty.
1. The power supply
frequency is too low.
2. The SPD three-phase test
board is faulty.
1. The backup
communications cable is
loose or damaged.
2. The backup SPD
three-phase detection board
is faulty.
3. The communications port
of the main control board is
faulty.
The backup SPD three-phase
detection board is faulty.
6 System Operation and Maintenance
Solution
the backup SPD.
1. Check the backup
power supply voltage.
2. Replace the backup
SPD three-phase
detection board.
1. Check the backup
power supply voltage.
2. Replace the backup
SPD three-phase
detection board.
1. Check the backup
power supply voltage.
2. Check the cables to
the backup SPD
three-phase detection
board.
3. Replace the backup
SPD three-phase
detection board.
1. Check the backup
power supply
frequency.
2. Replace the backup
SPD three-phase test
board.
1. Check the backup
power supply
frequency.
2. Replace the backup
SPD three-phase test
board.
1. Check the backup
communications
cable.
2. Replace the backup
SPD three-phase
detection board.
3. Maintain or replace
the main control
board.
Replace the backup SPD
three-phase detection
board.
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