RUN light 7-time flash (No TIMER light) - Service valve closed

What does RUN light 7-time flash (No TIMER light) mean?

The system has detected that a service valve is closed, preventing the proper flow of refrigerant. This can happen during installation or maintenance.

• One or more service valves are closed.

Click steps to track your progress.

1. 1

   Power off the air conditioner at the main breaker and wait for 5 minutes before turning it back on.

2. 2

   Verify that all access panels on the outdoor unit are properly secured.

3. 3

   If this error appeared after installation or maintenance, contact a qualified service technician to check the service valve positions.