Panasonic · air conditioners Error codes
The compressor speed is not matching the signals being sent from the control board. This could be due to a faulty IPM transistor module or a jammed compressor.
Click steps to track your progress.
Listen for any unusual sounds from the compressor.
Check the IPM transistor module and its wiring.
Ensure the compressor is not seized or obstructed.
Turn off the unit, unplug it, wait 30 seconds, and plug it back in to reset.