2 flashes, 1 beep - IPM Fault (Compressor Over current)

What does 21 mean?

This code indicates a problem with the compressor, specifically an over-current issue detected by the IPM (Intelligent Power Module). The outdoor unit is likely malfunctioning.

• Compressor malfunction
• IPM Fault
• Electrical issue affecting compressor power

Click steps to track your progress.

1. 1

   Turn off the power to the unit.

2. 2

   Wait for at least 1 minute.

3. 3

   Turn the power back on and observe if the code reappears.

4. 4

   If the code persists, contact a qualified technician for compressor and IPM diagnosis.