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CHECKING FLOW CHART BY FAILURE
F3 error (button short error)
Or button does not input
Check the connecting states
between Key pad and
CN03 of Main PCB.
Is it OK?
No
Reconnect
or adjust the
connection
1
Unplugged the unit
Yes
Replace the Key pad.
And then check button
operation using key test mode
To enter the test mode, below steps:
1. press the Clear button
2. press the “BAKE”, “BROIL” button
at the same time
3. press the “BAKE”, “BROIL” button
at the same time again.
Software version is displayed at the left digits.
4. press the NUM “7” button
5. Check the button.
(Refer to the next page, appendix)
2
3
Plug the unit
If button is not operated,
Replace the Main PCB
Yes
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