A055 — Circuit B, Compressor 1 Stuck On Failure Alarm

What does A055 mean?

This alarm indicates that Compressor 1 on Circuit B is stuck in the 'on' position. All compressor outputs are de-energized, but head pressure control remains active. Manual reset is necessary.

• Compressor 1 is failing to turn off
• Electrical fault causing Compressor 1 to remain energized
• Malfunction in the control system

Click steps to track your progress.

1. 1

   Manually reset the alarm.

2. 2

   Inspect Compressor 1 and its control circuit.

3. 3

   Verify that the compressor is properly de-energized when commanded off.

4. 4

   Contact a qualified service technician.