User's Manual

10
Figure 18.
AC420 Battery Charger shown with a properly installed battery
Charging COM400BP Batteries in the AC420 Battery Charger:
Place up to four batteries in the charger to charge at the same time, as shown in
Figure 18. A few seconds after each battery is placed in the charger, the red
CHARGING light on the panel adjacent to the battery, will indicate the battery
charging status. See the CHARGING LIGHT STATUS TABLE for a detailed
explanation of what is happening. When a battery is fully charged, the green
READY light on the panel adjacent to it will light. (approximately 4 hours)
It can then be placed back into a Communicator.
CAUTION: Do not remove batteries from the charger until the green READY
light is lit, or the charger will reset and the charge cycle will begin
again.
Top –
Red lights indicate charging status of batteries below the lights, as shown on
the Charging Light Status Table below.
Green lights indicate batteries below the lights are fully charged and ready for use.
Headset checker is used to check headsets for normal operation. Plug the
headset cable connector into the headset connector receptacle and speak into
the headset microphone. If the headset is operating normally, you will hear your
own voice in the earpiece. If the headset is defective, you will hear nothing.
Back –
AC adapter connector is for connecting the AC adapter cable to the charger.
CHARGING LIGHT STATUS TABLE – WITH BATTERY INSERTED
RED CHARGING LIGHT WHAT IT MEANS WHAT TO DO
OFF Charger doesn’t see the battery See NOTE
STEADY ON Battery is being charged Wait. Do not remove battery.
BLINKS: 2 seconds ON; 2 seconds OFF Battery is being discharged. Wait. Do not remove battery.
BLINKS: 2 times quick; 3 seconds OFF DISCHARGE ERROR Battery is not discharging properly.
See NOTE.
BLINKS: 3 times quick; 3 seconds OFF CHARGING ERROR Battery is not charging properly.
See NOTE.
BLINKS: 4 times quick; 2 seconds OFF LOW BATTERY ERROR See NOTE.
BLINKS: 5 times quick; 2 seconds OFF CHARGING ERROR See NOTE.
NOTE: Either the battery or the charger has a problem. Mark the battery and retry in a different slot. The battery is faulty if
it has the same problem in a different slot AND a known-good battery passes in the same slots. The charger circuitry is
faulty if a known-good BATTERY fails in the same slots.