Pratica Chef Express, Service Manual

Page: 53 / 122

47
Resetting Inverter Errors: To reset the Inverter Errors back to zero, press and hold the 1 and 3 keys
simultaneously. The display screen will turn all blue and the count will be zeroed.
Press to exit.
The control board does not display the exact failure that occurred. To identify the exact error code,
the inverter itself must be checked.
Magnetron Test
To perform a Magnetron Test, press and hold the number 6 and On/Off keys at the same time
from the oven off position.
•
Press the Play key to start the Magnetron Test.
•
The microwaves will engage and the results will show on the screen.
•
If the test shows ‘OK Approved’, the microwave circuit tested fine.
•
If th e test shows ‘Mag Failed’, the microwave circuit will require further troubleshooting.