Panasonic · air conditioners Error codes
The settings (Dip switches) on the indoor unit's control board are configured incorrectly. This affects how the unit operates.
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Review the installation manual for correct Dip switch settings.
Verify that the switches are set according to the configuration.
Ensure the correct settings for your specific model and system.
Turn off the unit, unplug it, wait 30 seconds, and plug it back in to reset.