There are many error codes, each of which corresponds to a specific item. While they may vary from one model to another, the main codes are the following:
Er FS: Freezer sensor error
Er rS: Refrigerator sensor error
F dS: Problem with the freezer defrost sensor
r dS: Problem with the refrigerator defrost sensor
Er HS: Problem with the humidity sensor
Er IS: Problem with the ice maker sensor
Er SS: Pantry sensor open or shorted
Er rt: Room temperature sensor error
Er It: System error in ice maker
Er gF: Flow sensor error
F dH: Sensor did not exceed 40° F while defrosting
r dH: Sensor did not exceed 40° F
Er IF: Ice maker fan problem
Er FF: Freezer fan problem
Er CF: Condenser fan error
Er CO: Communication error
PANASONIC REFRIGERATOR ERROR CODES
The below are the judgment and inspection of common failures.