Huawei NetCol8000-E220 User Manual page 151

NetCol8000-E220 Modular Indirect Evaporative Cooling
System
User Manual
Alarm Alarm
ID Severity
A280- MAJOR
02
A280- MAJOR
02
A281- MAJOR
04
A281- MAJOR
04
A281- MAJOR
08
A281- MAJOR
08
A281- MAJOR
10
Issue 02 (2019-10-10)
Alarm
Probable Cause
Name
Power 1. The power supply frequency
frequency exceeds the upper threshold.
abnormal
2. The SPD and voltage detection
board is faulty.
Backup 1. The power supply frequency
power exceeds the upper threshold.
frequency
2. The SPD and voltage detection
abnormal
board is faulty.
Power 1. The power supply voltage is
voltage below the lower threshold.
abnormal
2. The cables to the SPD and
voltage detection board are loose or
damaged.
3. The SPD and voltage detection
board is faulty.
Backup 1. The power supply voltage is
power voltage below the lower threshold.
abnormal
2. The cables to the SPD and
voltage detection board are loose or
damaged.
3. The SPD and voltage detection
board is faulty.
Power 1. The power supply voltage is
voltage below the lower threshold.
abnormal
2. The cables to the SPD and
voltage detection board are loose or
damaged.
3. The SPD and voltage detection
board is faulty.
Backup 1. The power supply voltage is
power voltage below the lower threshold.
abnormal
2. The cables to the SPD and
voltage detection board are loose or
damaged.
3. The SPD and voltage detection
board is faulty.
Power 1. The power supply voltage is
voltage below the lower threshold.
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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 that the power supply
voltage is within the operating
range.
2. Check the cable connection to
the SPD and voltage detection
board.
3. Replace the SPD and voltage
detection board.
1. Check that the power supply
voltage is within the operating
range.
2. Check the cable connection to
the SPD and voltage detection
board.
3. Replace the SPD and voltage
detection board.
1. Check that the power supply
voltage is within the operating
range.
2. Check the cable connection to
the SPD and voltage detection
board.
3. Replace the SPD and voltage
detection board.
1. Check that the power supply
voltage is within the operating
range.
2. Check the cable connection to
the SPD and voltage detection
board.
3. Replace the SPD and voltage
detection board.
1. Check that the power supply
voltage is within the operating
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