What does ALERT LED 4 flashes Yellow mean?

The compressor's rotor is locked, preventing it from starting or running. This is a LOCKOUT condition.

• Low line voltage to the compressor.
• Excessive liquid refrigerant in the compressor.
• Compressor bearings are seized.

Click steps to track your progress.

1. 1

   Turn off unit power supply and install a lockout tag.

2. 2

   Check the line voltage to the compressor.

3. 3

   Investigate for signs of excessive liquid refrigerant.

4. 4

   Determine if compressor bearings are seized.