Upper lamp blinking five times — Outdoor power system fault

What does Upper lamp blinks 5-time blink 2.5-second OFF mean?

This occurs if the compressor stops due to overcurrent or startup failure protection three times within one minute of startup. The unit will not operate.

• Compressor overcurrent protection triggered
• Compressor startup failure protection triggered
• Faulty outdoor power system component

Click steps to track your progress.

1. 1

   Refer to 'How to check of inverter/compressor' in the outdoor unit service manual.

2. 2

   Check the stop valve.

3. 3

   Ensure proper ventilation for the outdoor unit.