3M XT-1 Installation Manual - Troubleshooting
Troubleshooting
3M Headset Intercom System Model XT-1 Installation Manual
Rev 1.0 © 3M 2007 November
Page 47 of 54
Troubleshooting
General Troubleshooting
Problem
Possible Cause
Solution
The base station has no 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
No communications. All headsets have
green LED is flashing.
The Base Station is defective.
Call for authorized service.
Headset is not registered to base station.
Register the headset.
A single headset has green LED flashing
Defective headset.
If the other headsets register OK, the single
headset needs repair.
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.
No vehicle alert tone in all headsets.
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.
No Talk or listen from the menu sign when
using the backup wired intercom. The XT-1
system works OK.
The volume controls are set too low on the
backup intercom.
Turn the volume controls up.