Why the Fan Module Indicator is blinking red ?


An alarm has been generated and needs to be handled. Possible causes of the alarm include errors of dual in-line package (DIP) switches, short-circuit, fan blades blocked, and fault of the fan module.

Other related questions:
Why the Fan Module Indicator is blinking green faster than usual?
The fan is working properly but not communicating with the MPU normally.

Why is the RUN indicator red
The device temperature exceeds the temperature alarm threshold or the fan is faulty. The PoE-support switches have a PWR indicator. If the PWR indicator is red, power supply is faulty. NOTE: Run the display environment command to view the temperature alarm threshold and the current temperature. Run the display fan verbose command to view the fan operating status. Run the display device command to view the power supply status.

Why is the indicator of a fan module steady red or blinking red on CE switches
Possible Causes 1. The fan module is not installed properly in the fan slot. 2. Fan blades are blocked or stop rotating because of heavy dust. 3. The fan module is faulty. Troubleshooting Procedure 1. Pull out the fan module and reinstall it to ensure that it is securely installed in the slot. (Fan modules are hot swappable.) 2. Remove the fan module from the chassis and check whether the fan blades are blocked or whether there is too much dust on the fan blades. a. If fan blades are blocked by an obstacle, remove the obstacle. b. If the fan blades have heavy dust, use a brush to clean them. 3. If the problem persists, install another fan module of the same model into the fan slot. If the new fan module can work properly, the original fan module has failed and needs to be replaced.

Server red indicator on
If a server indicator is red, an alarm occurred. For details about the meanings of indicators of a specific server model, type the question in the format of "Product model + Indicator name + Status", for example, "RH2288 V3 HLY Blinking red."

Why does the indicator on the VPC500S blink red after startup? The fault cannot be rectified after reconnecting the power supply.
Generally, a hardware fault occurs when the status indicator of the camera is red. You need to return the camera for repair. For details, dial 4008229999 to contact TAC engineers.

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