Outdoor Board LED1 (green) blinks four times and LED2 (red) blinks one time alternately - Compressor overcurrent breaking

¿Qué significa UH ?

During startup or operation, the outdoor unit's LED1 (green) blinks four times and LED2 (red) blinks one time alternately, indicating that the compressor has stopped due to an overcurrent.

• Compressor overcurrent breaking.
• Faulty compressor.
• Power supply instability.

Haga clic en los pasos para seguir su progreso.

1. 1

   Check for looseness, disconnection, or incorrect connection of the compressor wiring.

2. 2

   Measure resistance values among terminals on the compressor using a tester.

3. 3

   Check if the power supply voltage decreases during operation. Ensure stable power delivery.

4. 4

   If the issue persists, a qualified technician should inspect the compressor.