RUN light ON, 5-time flash — Rotor lock (Compressor issue)

What does RUN light ON 5-time flash mean?

The RUN light is on and flashes five times, indicating a rotor lock condition. This typically points to an issue with the compressor, which is vital for the air conditioning process.

• Defective compressor
• Open phase on compressor (electrical issue)
• Defective outdoor unit boards
• Compressor blockage
• Shortcircuit on power transistor
• Closed service valve

Click steps to track your progress.

1. 1

   Turn off the air conditioner and wait a few minutes, then try restarting it to see if the compressor resets.

2. 2

   Check for any unusual noises coming from the outdoor unit, such as grinding or humming, which might indicate compressor strain.

3. 3

   Ensure the outdoor unit is clear of any obstructions that could be blocking airflow or putting stress on the compressor.

4. 4

   Inspect the outdoor unit for any signs of refrigerant leaks.

5. 5

   If the problem continues, switch off the power to the unit and contact a qualified technician immediately.