Troubleshooting - Huawei NetCol5000-C Series User Manual

NetCol5000-C(065, 080) In-row Chilled Water Smart
Cooling Product
User Manual
Alarm
ID
A280-02
A281-01
A281-02

6.3 Troubleshooting

Table 6-4
Table 6-4 Common faults of the NetCol5000-C and handling methods
Symptom
The fan does not
rotate after the
NetCol5000-C
Issue 07 (2020-03-16)
Alarm Alarm
Name Severit
y
Power Major
frequency
abnormal
Power Major
voltage
abnormal
Power Major
voltage
abnormal
describes the common faults of the NetCol5000-C and handling methods.
Possible Causes
1. The power supply
module of the fan is
faulty or abnormal
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Impact Possible Cause
three-phase
detection board
is faulty.
1. The power
An
supply frequency
alarm is
exceeds the
triggere
upper threshold.
d.
2. The SPD
three-phase
detection board
is faulty.
An The input voltage is
alarm is below the lower
triggere threshold.
d, and
the
smart
cooling
product
is shut
down.
An The input voltage
alarm is exceeds the upper
triggere threshold.
d, and
the
smart
cooling
product
is shut
down.
Troubleshooting
1. Ensure that the power supply
module of the fan is inserted to
the subrack. If the fault persists,
Solution
working range.
2. Replace the SPD
three-phase
detection board.
1. Check the power
supply
frequency, and
ensure that it is
within the
working range.
2. Replace the
SPD three-phase
detection board.
Check the power
supply voltage.
Check the power
supply voltage.
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