57
TROUBLESHOOTING GUIDE (CONTINUED)
SYMPTOM CAUSE SOLUTION
No buttons work.
The Lock feature is Deactivate Lock feature as
activated. described on page 24.
Unit needs to be reset Reset unit and/or
or firmware needs to be update firmware, see
updated. page 59.
Unit acting erratically. Unit needs to be reset Reset unit and/or
or firmware needs to be update firmware, see
updated. page 59.