Panasonic · air conditioners Error codes
Data signals between the remote control and the main board are not being transferred correctly. This could be a signal interference or a board issue.
Click steps to track your progress.
Ensure there are no strong sources of interference near the unit or remote.
Check for proper alignment between the remote and the unit's sensor.
Try resetting the remote control if possible.
Turn off the unit, unplug it, wait 30 seconds, and plug it back in to reset.