TROUBLESHOOTING
8 - 3
8.2 Troubleshooting Table
Table 8.2
Problem Possible
Reasons & Solutions
Cannot turn
on power
after
charging the
battery
Reasons:
Discharged battery.
Defective battery.
Microcomputer hang-up.
Solutions:
Charge or replace battery.
Disconnect then connect
battery to reset computer.
No LED or
LCD back
light
Reasons:
Defective LED or LCD back
light.
Solutions:
Call authorized service
center.
Lost
password
Solutions:
Use default configuration to
reset password.
Buzzer
inoperative
Reasons:
Bad buzzer.
Solutions:
Call authorized service
center.