10
Figure 18.
AC420 Battery Charger shown with a properly installed battery
Charging COM900BP Batteries in the AC420 Battery Charger:
Place up to four COM900BP 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.