PC46 — Compressor speed has been out of control

What does PC46 mean?

The speed of the compressor is not being regulated properly and has gone outside of its expected operating range.

• Faulty compressor control board
• Variable speed drive issue
• Internal compressor problem
• Sensor malfunction

Click steps to track your progress.

1. 1

   Reset the unit by turning off power for 30 seconds and then restoring it.

2. 2

   Check electrical connections to the compressor and its control module.

3. 3

   If the compressor speed remains unstable, professional diagnosis is required.