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6-5
FAILURE MODE FLOW CHART
3
Yes
Is the value of thermistor
normal?
Check: using the test mode
To enter the test mode, follow these steps:
1. press the “CLEAR” key
2. press the “BAKE”, “BROIL” key
at the same time
3. press the “BAKE”, “BROIL” key
at the same time again.
4. press the NUM “3” key
Normal :
the sensor value is from 70_
to 90
˚F
at 25
˚C
.
Yes
Go to No 6
4
No
Range Of the resistance
Heater
Resistance[
Ω
]
Approximately
Broil
13.0
Bake
17.0
Convection
80
Power On
Is the resistance of
thermistor normal?
Check:
Pins 1and 2 of CN5 wiring in main PCB
Normal
- approximately 1.09_ at 25_
No
Replace the
failed
thermistor
5
No
Power Off
CN5
6
Replace the Relay PCB
(EBR60938302)
If it doesn’t work even though changing the
Relay PCB, you should replace the Main
PCB.(EBR52349505)