Troubleshooting
May 2008 – Revision 1.3
Page 50 of 62
3M™ Wireless Communication System Model XT-1
Installation Manual
Problem
Possible Cause
Solution
System is in Always On order taking mode.
Change the talking mode.
This is normal when a pulse (air switch)
type of vehicle detector is used.
Press the Page switch to silence the menu
microphone.
There is a large metal object near the loop
in the driveway (if a loop is used).
Remove the object.
The Loop detector is “locked up.”
Unplug the loop detector from the AC outlet
and plug it back in to reset the detector.
Defective vehicle detector.
Call for authorized service.
All headsets will not go into Standby
(silence) when the vehicle leaves the menu
sign.
System is in Always On order taking mode.
Change the talking mode.
The Backup Intercom is on (the switch is
engaged).
Disengage the Backup Intercom switch on
the base station.
Loose or frayed wiring.
Call for authorized service.
Audio on all headsets cuts out or is
interrupted.
Poor location of Base Station antennae
(behind large metal objects, too far from
work area, etc.).
Relocate the Base Station, or antennae.
The AEC level is too high.
Reduce the AEC level.
Inbound audio cuts out (but outbound audio
is okay)
The headset is too close to loud ambient
noise.
Move the headset away from sources of
loud ambient noise.
The backup switch on the base station is
not in the correct position.
Turn the backup switch ON.
No power to the backup intercom.
Turn the backup intercom on or plug in its
power transformer.
The volume controls are set too low on the
backup intercom.
Turn the volume controls up.
No Talk or listen from the menu sign when
using the backup wired intercom. The
3M™ Wireless Communication System
Model XT-1 works OK.
Defective backup intercom or wiring.
Call for authorized service.
Worn or defective Talk or Page switch.
No Talk or Page to other headsets from a
single headset, or Talk or Page buttons
require excessive pressure to operate.
Defective headset.
Call for authorized service.
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.
Low Talk volume on a single headset.
Volume setting on headset is too low.
Power off and power on headset to reset
volume level.
Volume setting on headset is too high.
Power off and power on headset to reset
volume level.
Louder Talk volume or feedback from a
single headset.
The holes in back of the microphone are
plugged with dirt or grease.
Call for authorized service.
The system is operating in half duplex
mode.
Hands Free is disabled in half duplex mode.
The “hands free” function does not work.
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).
