Unit 5: Troubleshooting

CT4i Series Operator Manual 5-3

L blinks
steady
No beep
long beep
Low Battery level
Critically Low Battery
level
Check the battery level and
recharge or replace the battery
as necessary
Replace or recharge the battery
y USB interface
selected
NA
l Other interface
selected
NA
Display ON
ERROR BUZZER ERROR CONDITION CORRECTIVE ACTION