Product Manual

Troubleshooting
September 2012 – Revision 1.9 DRAFT
Page 52 of 68
3M™ Wireless Communication System Model XT-1
Installation Manual
General Troubleshooting
Problem
Possible Cause
Solution
No communications. All headsets have
green LED is flashing.
The base station has lost power. Make sure the power transformer is
plugged into the wall outlet and into the
base station power receptacle. If the LCD
display does not come on, check for power
at the wall outlet.
Headsets are not registered to Base
Station.
Register headsets
The Base Station is defective. Call for authorized service.
A single headset has green LED flashing Headset is not registered to base station. Register the headset.
Defective headset. If the other headsets register OK, the single
headset needs repair.
Headset has lost reception to the base
station
Move to a line-of-sight location to establish
communications again.
No vehicle alert tone in all headsets. No power to the external vehicle detector. Plug the vehicle detector into power outlet
or replace the detector fuse.
Vehicle detector is “locked up.” Remove power to vehicle detector for a few
seconds to reset the detector.
The base station alert tone volume is set
too low.
Adjust alert tone volume.
System is in Always On order taking mode. Change the talking mode.
All headsets will not go into Standby
(silence) when the vehicle leaves the menu
sign.
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.
System is in Always On order taking mode. Change the talking mode.
Audio on all headsets cuts out or is
interrupted.
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.
Poor location of Base Station antennae
(behind large metal objects, too far from
work area, etc.).
Relocate the Base Station, or antennae.
Inbound audio cuts out (but outbound audio
is okay)
The AEC level is too high. Reduce the AEC level.
The headset is too close to loud ambient
noise.
Move the headset away from sources of
loud ambient noise.
No Talk or listen from the menu sign when
using the backup wired intercom. The
3M™ Wireless Communication System
Model XT-1 works OK.
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.