What does 24 mean?

The compressor failed to start when the system called for operation. The error may disappear after a power cycle, but could indicate a PCB issue.

• Faulty outdoor PCB
• Compressor internal fault
• Electrical issue preventing compressor start

Click steps to track your progress.

1. 1

   Turn the system power off and then on again.

2. 2

   If the code reappears, check the outdoor PCB for issues.

3. 3

   Inspect compressor wiring and connections.

4. 4

   If the PCB is confirmed faulty, it will need replacement.