Troubleshooting
Error Code 28
An invalid combination of the main alarm has been detected. The main alarm is
not displayed correctly.
1 Go to the test menu to see which
information the computer displays.
Check the cable and the cable plugs.
necessary, and then test if
Error Code 29
The door sensor is not working properly. Note the oven does not stop working
when the door is opened. The oven can be used.
1 Go to the test menu to see which
information the computer displays.
2 Check the cable and the cable plugs,
and the test if the sensor is working.
Check the magnet on the drip slide.
change the door sensor, and
remember to calibrate the
46 SERVICE MANUAL