Troubleshooting - Huawei NetCol8000-E220 User Manual

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
Fan
If any of the following exceptions occurs when the fan is running, shut down the
fan and rectify the fault:
● The motor current exceeds the rated value on the nameplate.
● The fan generates abnormal noise during operation.
● The fan vibrates violently.
● The temperature rise of the motor is too high.
● One of the fans is faulty.
Cut off the power supply during maintenance to ensure safety.
Table 8-1 Fan troubleshooting
Fault
Type
The fan
does not
rotate.
Issue 10 (2024-01-30)
NO TICE
Possible Cause
Check whether the
power supply voltage
meets the
requirements.
Open phase occurs.
The voltage is less
than the lower
threshold or greater
than the upper
threshold.
A short circuit exists
between the fan and
the ground.
Copyright © Huawei Digital Power Technologies Co., Ltd.
8

Troubleshooting

Solution
Check the power supply voltage.
Check the power cable and voltage of the
motor.
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