Frequency Inverter Fault Log
To view the fault log for the Frequency Inverter, press and hold the number 5 and the On/Off keys at
the same time from the oven off position.
Count Error Inverter - The Inverter error code logs 3 types of malfunctions that happen within the
Inverter. Each row of numbers symbolizes how many malfunctions have occurred and whether they
are serious.
• First Line: Inverter Errors / Inverter Critical Errors
Inverter Errors (Left): This digit identifies the number of times the inverter resets due to an error. The
inverter will try to reset up to 10 times before generating a critical error.
Inverter Critical Errors (Right): The digit on the right indicates the amount of critical errors registered
after the inverter tries to reset but continues to have a problem.
• Second Line: Time Out Error / Stop Frame Error
Timeout Error (Left): A communication error that occurs when the Main Control Board sends a
command signal to the inverter but does not receive the signal back.
Wrong Frame Error (Right): A communication error when the board sends a command to the inverter
but receives a corrupted signal from the inverter.
• Third Line: Inverter Failure / Inverter Alarms
Inverter Failure (Left): An internal error in the inverter that is not caused by a communication failure.
For Example, F021 failure- under voltage in CC bus.
Inverter Alarms (Right): The amount of times the inverter sounds an alarm due to an error.
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