Panasonic · air conditioners Error codes
The discharge temperature sensor is faulty, either short-circuited (closed) or broken. This affects the measurement of discharge temperature.
Click steps to track your progress.
Inspect the discharge temperature sensor for damage.
Check the sensor's wiring and connector.
Ensure the sensor is properly installed.
Turn off the unit, unplug it, wait 30 seconds, and plug it back in to reset.