Panasonic NE-1878BPQ, Service Manual

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5 Service Mode
To prevent accidents during repair and ensure your safety after the repair, be sure to read or refer to “Safety Precautions” describing
precautions that you must observe when repairing.
5.1. Failure code function
In the event of a failure, a failure code is displayed to stop the operation.
• Once displayed, the failure code “F 97,” “F 98,” “FE 7” or “FE 8 is stored in memory, which prevents the oven from operating even
if any part is replaced, and it remains displayed until the stored failure code is erased. Erase the code before conducting an oper-
ation test.
• If “F 97” or “FE 7” code failure occurs until a second time, you are taken back to the initial display screen.
If the failure occurs a third time, this failure code is displayed.
• If “F 98” or “FE 8” code failure occurs until a third time, you are taken back to the initial display screen.
If the failure occurs a fourth time, this failure code is displayed.
• The failure code “F 00” “U 40” “U 41”cannot be stored even if they are displayed,