Outdoor Board LED1 (green) blinks three times and LED2 (red) blinks seven times alternately - Compressor overcurrent breaking (Start-up locked)

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During startup or operation, the outdoor unit's LED1 (green) blinks three times and LED2 (red) blinks seven times alternately, indicating compressor overcurrent protection activation, potentially due to a locked compressor during startup.

• Compressor overcurrent breaking (startup locked).
• Compressor motor winding fault.
• Power supply issue.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

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 is stable and within the specified range.

4. 4

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