Function of red and green
lights
When charger is powered on, green light
will flash one time
LED display
LED light
Green light flashing
Green light on
Red light flashing at 4Hz
Red light flashing at 1Hz/5Hz
15
Description
Charging
Battery is fully charged
Bad battery condition Charger has ability to detect a weak or
damaged battery If this LED function occurs, do not continue to
charge battery Return it to a service center or a collection site for
recycling
Hot/Cold battery When charger detects that a battery is exces-
sively hot or cold, charging is suspended until battery has normal-
ized Once battery is at a temperature between to 40 °F (4 °C) and
104 °F (40 °C), charger automatically switches to charging mode
Battery overheating could be attributed to:
• Long continuous running
• Hot ambient temperature
• One or more cells are damaged
Table 4