A051 — Circuit A, Compressor 1 Stuck On Failure Alarm

What does A051 mean?

This alarm indicates that Compressor 1 on Circuit A is stuck in the 'on' state. All compressor outputs are de-energized, but head pressure control remains active. A manual reset is required.

• Compressor 1 is failing to turn off
• Electrical issue causing compressor to remain energized
• Control system malfunction

Click steps to track your progress.

1. 1

   Manually reset the alarm.

2. 2

   Inspect Compressor 1 and its control circuits for mechanical or electrical binding.

3. 3

   Verify that de-energizing signals are reaching the compressor.

4. 4

   Consult a qualified technician for diagnosis and repair.