Food Services Trade Department
3M Center
St. Paul, MN 55144-1000
Printed in U.S.A.
ã3M 1999 May
78-6912-0680-5 Rev. C
Printed on 50% recycled
waste paper, including 10%
post-consumer waste paper.
Battery and Battery Charger Troubleshooting
Problem Possible Cause Solution
1. No lights come on when a
batteryisinserted intocharger.
1. Dirty contacts on battery or
charger.
1. Clean contacts on battery and
charger with an alcohol
moistened swab.
2. No power to charger. 2. Makesurepowertransformeris
plugged into charger and a
“live” outlet.
3. Defective battery. 3. Try a known good battery.
4. Defective charger. 4. Call for authorized service.
2. Short battery life. 1. Worn out batteries. 1. Replace battery.
2. The battery needs to be
conditioned because it was
repeatedly removed from the
headset before the low battery
alert sounded.
2. Condition the battery.
3. Wrong type of power
transformer used for charger.
3. Makesurepowertransformeris
marked“SecondaryVoltage14
VAC.”
3. The orange light comes on
when a battery is inserted into
the charger.
1. Defective battery. 1. Replace the battery.
4. The green light on thecharger
never comes on.
1. Defective battery. 1. Replace the battery.