Operation indicator lamp blinking — Air conditioner abnormality detected

Was bedeutet Operation indicator lamp blinking ?

The operation indicator lamp on the indoor unit is blinking on and off. This indicates that the air conditioner is experiencing an abnormal condition.

• Power supply voltage issue
• Incorrect indoor/outdoor wiring
• Faulty electronic control P.C. board
• Loose connectors or terminals

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1. 1

   Check the power supply voltage.

2. 2

   Verify the indoor and outdoor connecting wires are correctly installed.

3. 3

   Ensure all connectors and terminals are securely connected.

4. 4

   Note the blinking pattern of the operation indicator lamp for further diagnosis.

5. 5

   Turn off the unit with the remote, close the vane, then turn off the breaker or unplug the unit before further checks.

6. 6

   If the issue persists, consult a qualified technician.