Battery And Battery Charger Troubleshooting - 3M XT-1 Installation Manual

Troubleshooting
Problem
No Talk or Page to other headsets from a
single headset, or Talk or Page buttons
require excessive pressure to operate.
Low Talk volume on a single headset.
Louder Talk volume or feedback from a
single headset.
The "hands free" function does not work.
No vehicle alert tone in headset.

Battery and Battery Charger Troubleshooting

Problem
No lights come on when a battery is
inserted into charger.
Short battery life.
The green light on the charger never comes
on.
3M Headset Intercom System Model XT-1 Installation Manual
Page 48 of 54
Possible Cause
Defective backup intercom or wiring.
Worn or defective Talk or Page switch.
Defective headset.
The holes in front of the microphone are
plugged with dirt or grease.
Operator is not positioning the microphone
correctly.
Defective headset.
Volume setting on headset is too low.
Volume setting on headset is too high.
The holes in back of the microphone are
plugged with dirt or grease.
The system is operating in half duplex
mode.
Hands free order taking mode not selected.
Backup switch not completely pressed (i.e.,
one of the other two buttons is pressed).
Possible Cause
Dirty contacts on battery or charger.
No power to charger.
Defective battery.
Defective charger.
Worn out batteries.
Wrong type of power transformer used for
charger.
Defective battery.
Solution
Call for authorized service.
Call for authorized service.
Call for authorized service.
Adjust/reposition the headset
microphone(s).
Call for authorized service.
Power off and power on headset to reset
volume level.
Power off and power on headset to reset
volume level.
Call for authorized service.
Hands Free is disabled in half duplex mode.
Select hands free order taking mode in the
base station.
Press the other button into the correct
location.
Solution
Clean contacts on battery and charger.
Make sure power transformer is plugged
into charger and a "live" outlet.
Try a known good battery.
Call for authorized service.
Replace battery.
Make sure power transformer is marked
"Secondary Voltage 14 VAC."
Replace the battery.
Rev 1.0 © 3M 2007 November