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