Product Manual
Troubleshooting
3M™ Wireless Communication System Model XT-1
Installation Manual
September 2012 – Revision 1.9 DRAFT
Page 53 of 68
Problem
Possible Cause
Solution
Defective backup intercom or wiring. Call for authorized service.
No Talk or Page to other headsets from a
single headset, or Talk or Page buttons
require excessive pressure to operate.
Worn or defective Talk or Page switch. Call for authorized service.
Defective headset.
Low Talk volume on a single headset. The holes in front of the microphone are
plugged with dirt or grease.
Call for authorized service.
Operator is not positioning the microphone
correctly.
Adjust/reposition the headset
microphone(s).
Defective headset. Call for authorized service.
Volume setting on headset is too low. Power off and power on headset to reset
volume level.
Louder Talk volume or feedback from a
single headset.
Volume setting on headset is too high. Power off and power on headset to reset
volume level.
The holes in back of the microphone are
plugged with dirt or grease.
Call for authorized service.
The “hands free” function does not work. The system is operating in half duplex
mode.
Hands Free is disabled in half duplex mode.
Hands free order taking mode not selected. Select hands free order taking mode in the
base station.
No vehicle alert tone in headset. Backup switch not completely pressed (i.e.,
one of the other two buttons is pressed).
Press the other button into the correct
location.
Headset(s) amber LED flashing. Headset(s) not registered. Register the headset(s).
Battery and Battery Charger Troubleshooting
Problem
Possible Cause
Solution
No lights come on when a battery is
inserted into charger.
Dirty contacts on battery or charger. Clean contacts on battery and charger.
No power to charger. Make sure power transformer is plugged
into charger and a “live” outlet.
Defective battery. Try a known good battery.
Defective charger. Call for authorized service.
Short battery life. Worn out batteries. Replace battery.
Wrong type of power transformer used for
charger.
Make sure power transformer is marked
“Secondary Voltage 14 VAC.”
The green light on the charger never comes
on.
Defective battery. Replace the battery.