TROUBLESHOOTING GUIDE (CONTINUED)
| SYMPTOM |
| CAUSE |
| SOLUTION |
|
|
|
|
| |||
| No buttons work. |
| The Lock feature is |
| Deactivate Lock feature as |
|
|
|
| activated. |
| described on page 18. |
|
|
|
| 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
