Troubleshooting
Error Code 19
An internal error occurred. The oven server process is not responding. Oven
server process failed.
Error Code 20
An internal error occurred. A communication failure occurred between the
computer and the IO board. The IO board software is not responding. Wrong
software version on the IO board.
Check the wire connection between the
Change the IO board or the
IO board and the CPU board.
Note: Check to make sure the control filter screen is in place. Failure to
have this in place can result in debris coming in contact with the electrical
connections and may void warranty.
Error Code 21
Invalid program. The program you have chosen is not supported by the oven.
Go to the USB key function.
42 SERVICE MANUAL
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