Troubleshooting; Introduction; System Troubleshooting - 3M c960 Service Information

Model C960

Introduction

System Troubleshooting

Problem
1. No communications. All
headsets hear static.
2. A single headset hears
static.
3. A single headset hears static.
Programming cable has no
effect.
4. A single headset is dead. No
static is heard.
5. No vehicle alert tone in
headset.
© 3M 2000
May
To use the following troubleshooting guide, locate the problem in the left
column and look for the problem's possible causes and corrections in the middle
and right columns. Possible causes are listed in the order in which they are most
likely to happen. Check for possible causes in the given sequence to help isolate
the problem.
Possible Cause
1. The base station is not ON.
2. Base station and headsets are
not programmed to same
channel.
3. The Base Station is defective.
1. Headset is not programmed to
same channel as base station.
1. Defective programming cable.
2. Defective headset.
1. The headset is not turned on.
2. The battery is discharged.
3. The headset is defective.
1. No power to the vehicle
detector.
2. Vehicle detector is "locked up." 2. Remove power to vehicle
3. The base station alert tone
volume is set too low.

Troubleshooting

Solution
1. Turn the base station ON.
Make sure the power
transformer is plugged into the
wall outlet and into the base
station power receptacle. If
the red power light does not
come on, check for power at
the wall outlet.
2. Reprogram the headsets with
the programming cable.
3. Call for authorized service.
1. Reprogram the headset with the
programming cable.
1. Try to program other headsets
with the same cable. If they
won't program, replace the
cable.
2. If the other headsets program
OK, the single headset needs
repair.
1. Press the ON button.
2. Replace the battery with a fully
charged one.
3. Call for authorized service.
1. Plug the vehicle detector into
power outlet or replace the
detector fuse.
detector for a few seconds to
reset the detector.
3. Adjust alert tone volume.
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