TROUBLESHOOTING GUIDE (CONTINUED)
| SYMPTOM |
| CAUSE |
| SOLUTION |
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| |||
| No buttons work. |
| The Lock feature is |
| Deactivate Lock feature as |
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| activated. |
| described on page 18. |
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| Unit needs to be reset |
| Reset unit and/or |
|
|
|
| or firmware needs to be |
| update firmware, see |
|
|
|
| updated. |
| pages |
|
| Unit acting erratically. |
| Unit needs to be reset |
| Reset unit and/or |
|
|
|
| or firmware needs to be |
| update firmware, see |
|
|
|
| updated. |
| pages |
|
23