CHECKING FLOW CHART BY FAILURE MODE
Oven Thermistor failed(including F-1, F-2 error)
oven sensing failed
(including sensor error)
Check the thermistor using the test mode 4. Diagnosis
Oven sensor.
After value the sensor value are 70˚F~90˚F(at 24˚C)
Is the value OK?
Yes
Replace the system PCB
No
No
Is the value OK?
Yes
END
Power Off
Check the thermistor's resistor
CN04 pin3, 4
Normal: approximately 1.09 kΩ
5-16
Replace the Sensor