Troubleshooting
3M™ Wireless Communication System Model XT-1
Installation Manual
May 2008 – Revision 1.3
Page 49 of 62
Troubleshooting
Headset Indicator Lights
The following table describes the operating modes of the headsets according to
the indicator lights. Use it as a troubleshooting reference.
Indicator
Mode Description
Off (no light)
Indicates power is of f. I t will t urn off
automatic ally if it fails t o register within two
minutes or if the battery dies.
Solid Green
Headset is signed on, standby, Lane 1.
Solid Amber
Headset is signed on, standby, Lane 2.
Solid Red
Headset is in transmit mode.
Flashing Green
(changed from f lashing amber)
Headset has not regist ered, but f ound an open
base t o which it will t ry t o register.
Flashing Green
(immediately after power on)
Headset is registered but has not yet
synchronized or signed on to the base stat ion.
Flashing Amber
Headset is not regist ered and has not found a
base st ation.
Steadily Flashing Red
Headset is the ac tive order taker, but the
microphone is muted.
Single Red Flash
(changed from f lashing green)
Headset has successfully synchronized and
signed on with a base station (“Lane 1” or
“Lane 2” will also be heard in the earpiec e).
Alternating Flashing G reen and
Amber
Page Monitor Mode.
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.
No vehicle alert tone in all headsets.
The base station alert tone volume is set
too low.
Adjust alert tone volume.