Huawei NetCol8000-C070 User Manual page 158

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual
Alar
m ID
A280
A281
Issue 02 (2020-08-30)
Alarm Alarm Possible Cause
Name Severi
ty
Power Major 1. The power supply
frequenc frequency exceeds the
y upper threshold.
abnormal
2. The SPD and voltage
detection board is faulty.
Power Major 1. The power supply
frequenc frequency is below the
y lower threshold.
abnormal
2. The SPD and voltage
detection board is faulty.
Backup Major 1. The power supply
power frequency exceeds the
frequenc upper threshold.
y
2. The voltage detection
abnormal
board is faulty.
Backup Major 1. The power supply
power frequency is below the
frequenc lower threshold.
y
2. The voltage detection
abnormal
board is faulty.
Power Major 1. The power supply
voltage voltage exceeds the
abnormal upper threshold.
2. The SPD and voltage
detection board is faulty.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Solution
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.
1. Check the power
supply frequency, and
ensure that it is within
the working range.
2. Replace the voltage
detection board.
1. Check the power
supply frequency, and
ensure that it is within
the working range.
2. Replace the voltage
detection board.
1. Check that the
power supply voltage
is within the operating
range.
2. Replace the SPD and
voltage detection
board.
150