User Manual

14221-1200-2000, Rev. A
32
7 BASIC TROUBLESHOOTING
If the radio is not operating properly, check Table 7-1 for likely causes. For additional assistance, contact
a qualified service technician.
Table 7-1: Basic Troubleshooting
SYMPTOM CAUSE SOLUTION
Radio will not turn
on.
No power.
Test the connection to the vehicle power
supply.
Radio will not turn
off.
If in multiple control head configuration,
one of the attached control heads is still
powered up.
Power off all control heads.
No audio. Speaker volume is muted. Increase the volume level.
Poor audio.
Transmitting or receiving in a poor
coverage area or subject to interference.
Check network connectivity and move to a
better coverage area if possible. Report the
area without coverage to an authorized network
technician.
Poor display
visibility.
Ambient Light Sensor is obstructed.
Clear the obstruction and give the sensor a
clear path to ambient light.
Radio will not
transmit.
Radio may be out of coverage area or
may be overheated.
Return to coverage area if possible. If
overheated, let radio cool before retrying
transmission. Report this failure to an
authorized technician.
Control head
randomly changes
display.
In multiple control head configurations,
another user is operating the radio from
another control head.
None
Encrypted calls
cannot be made.
Not authorized to use.
Contact system administrator to request
encryption privileges.