Tyco Electronics MM102014V1 - Manual (Page 61)

MM102014V1, Rev. G
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.
V-TAC will not transmit. V-TAC channels and/or geographic
coverage zones are not defined or
base stations are not configured with
geographic coordinates provisioned
to V-TAC radios. Contact system administrator.
Radio will not register or
does not receive
provisioning data. Bad logon credentials. Check logon and password.
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.
No network connectivity
icon in display. Radio is out-of-range or cannot
connect with the OpenSky network.
Base station network connection has
failed. Return to coverage area if possible
and wait for condition to clear.
Use single-site trunking or switch
to an alternate channel.
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.
Radio will not transmit
(transmit indicator does not
flash). Radio may be experiencing low
voltage. The M-803 will cease to transmit if
the voltage drops below 8.5 volts.
Have the battery checked by an
authorized technician.
Radio powers off for no
apparent reason. Radio may be experiencing very low
voltage. The M-803 automatically powers
down when voltage drops below
+5.0 volts. Have the battery
checked by an authorized
technician.
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