ERROR CODES
64 SERVICE MANUAL
Error Code 28
An invalid combination of the mains alarm has been detected. The mains alarm is not
displayed correctly.
Steps Check list Solution
1 Go to the test menu (alarm test) to see
which one of the over heat safety switches
is not sending a feedbak signal to the I/O
board conector J14.
2 Check the switch and cable and the cable
plugs from that specific overheating
sensor and the wire to J14.
Change the plug and repair
the wire if necessary, and
then test if the alarm have
disappeared.
3 If the error persist, and the feedback
signal to the I/O board is ok.
Replace the I/O board.
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.
Steps Check list Solution
1 Go to the test menu to see which infor-
mation the computer displays.
2 Check the cable and the cable plugs, and
the test if the sensor is working.
3 Check the magnet on the drip slide. Change the drip slide.
4 - If the magnet works, change
the door sensor, and
remember to calibrate the
door afterwards.
WARNING
The oven does not stop working when the door is opened.
The oven can still be used with caution
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