Samsung MW73VR - Control Panel Key Malfunction

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4. Troubleshooting
YES
NO
YES
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NO
YES
YES
NO
“- SE -” is displayed.
Perform the operation again and check if it
is working properly.
S/W Error
Is a specific key
not recognized?
Is the key recognized
intermittently?
The membrane
is defective.
Replace the
Control Panel.
Is the key not recognized
at all?
After Power > On,
does the symptom continue?
Replace the PCB.
4-3-4 Key Short Error