A053 — Circuit A, Compressor 3 Stuck On Failure Alarm

What does A053 mean?

This alarm indicates that Compressor 3 on Circuit A is stuck in the 'on' position. All compressor outputs are de-energized, but head pressure control remains active. A manual reset is required.

• Compressor 3 stuck in the 'on' state
• Electrical fault preventing Compressor 3 from switching off
• Problem with the control system logic

Click steps to track your progress.

1. 1

   Manually reset the alarm.

2. 2

   Inspect Compressor 3 and its control wiring for any issues.

3. 3

   Confirm that the control signals correctly de-energize the compressor.

4. 4

   Contact a service technician for further troubleshooting.