Fans do not work

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The fan module hardware is faulty. To prevent too high temperature or a failure of the AC, contact Huawei technical support personnel by calling Huawei's customer service hotline and apply for maintenance.

Other related questions:
Fan working mode of BWS 1600G
Question: What are the working modes of fans on BWS 1600G devices? Answer: Fans on BWS 1600G devices can work in two modes. One is the speed adjustment mode. In this mode, the fan speed can be manually set, including high speed, low speed, and stop. The other mode is the automatic adjustment mode. The system control board regularly checks the temperature of each board on the NE every minute to determine whether the temperature of each board exceeds the threshold. If the temperature of one board exceeds the upper threshold, the fan board enables the high speed mode. If the temperature of all boards exceeds the lower threshold, the fan board enables the low speed mode.

Working modes of fans on BWS 1600G
Fans on BWS 1600G support two working modes: adjustable speed mode and automatic adjustment mode. In adjustable speed mode, the fan speed can be manually set to high speed, low speed, or stop. In automatic adjustment mode, the temperature of each board on an NE will be periodically detected at an interval of 1 minute. Each board has its own temperature thresholds. The system control board checks the temperature of each board. The system control board increases the fan speed upon detecting that the temperature of one board exceeds the upper threshold and decreases the fan speed after detecting that the temperature of all boards is lower than the lower threshold. Therefore, the system control board can determine the appropriate fan speed and automatically adjust the speed.

Method used to adjust the fan speed
In the NE Explorer, choose Configuration > Fan Attribute. In the right-hand pane, select Adjustable Speed in Fan Speed Mode. Then set Fan Speed Level as required. You are advised to select Auto Speed in Fan Speed Mode.

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