External Fan Abnormal

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An external fan (FAN 1-3) is experiencing an abnormality such as a short circuit, insufficient power supply, or a blocked air channel. This Major alarm indicates inadequate cooling for the inverter, which can lead to overheating.

• The external fan is short-circuited.
• The power supply for the external fan is insufficient.
• The air channel for the external fan is blocked.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Shut down the fan.

2. 2

   Turn off the DC switch.

3. 3

   Check whether the fan blades are damaged and clear any foreign matter around the fan.

4. 4

   Reinstall the fan.

5. 5

   Turn on the DC switch.

6. 6

   If the fault persists after 15 minutes, replace the external fan.