Troubleshooting Model C960
3M 2000 May
Battery and Battery Charger Troubleshooting
Problem Possible Cause Solution
1. No lights come on when a
battery is inserted into charger.
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. Make sure power transformer is
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. Make sure power transformer is
marked “Secondary Voltage 14
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 the charger
never comes on.
1. Defective battery. 1. Replace the battery.
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