DeWalt DCF620 Guide D'utilisation page 9

HOT/COLD PACK DELAY
DCB101
This charger has a hot/cold delay feature: when the charger detects a
battery that is hot, it automatically starts a delay, suspending charging
until the battery has cooled. After the battery has cooled, the charger
automatically switches to the pack charging mode. This feature
ensures maximum battery life. The red light flashes long, then short
while in the hot/cold delay mode.
DCB112
The DCB112 charger has a hot/cold delay feature. When the charger
detects a battery that is hot, it automatically delays charging until the
battery has cooled. When the charger detects a battery that is cold, it
automatically delays charging until the battery has warmed.
The red light will continue to blink, but a yellow indicator light will
be illuminated during this operation. Once the battery has cooled,
the yellow light will turn off and the charger will resume the charging
procedure.
LEAVING THE BATTERY PACK IN THE CHARGER
The charger and battery pack can be left connected with the charge
indicator showing Pack Charged.
WEAK BATTERY PACKS: Weak batteries will continue to function
but should not be expected to perform as much work.
FAULTY BA'rI'ERY PACKS: This charger will not charge a faulty
battery pack. The charger will indicate faulty battery pack by refusing
to light or by displaying problem pack or charger.
NOTE: This could also mean a problem with a charger.
PROBLEM POWER LINE (DCB101)
Some chargers have a Problem Powerline indicator. When the charger
is used with some portable power sources such as generators or
sources that convert DC to AC, the charger may temporarily suspend
operation, flashing the red light with two fast blinks followed by a
pause. This indicates the power source is out of limits.
Wall Mounting
DCB112
These chargers are designed to be wall mountable or to sit upright on
a table or work surface.
If wall mounting, locate the charger within reach of an electrical outlet.
Mount the charger securely using drywall screws at least 1" (25.4 mm)
long, screwed into wood to an optimal depth leaving approximately
7/32" (5.5 mm) of the screw exposed.
Important Charging Notes
1. Longest life and best performance can be obtained if the battery
pack is charged when the air temperature is between 65 °F
and 75 °F (18-24 °C). DO NOT charge the battery pack in air
temperature below +40 °F (+4.5 °C), or above +105 °F (+40.5 °C).
This is important and will prevent serious damage to the battery
pack.
2. The charger and battery pack may become warm to touch while
charging. This is a normal condition, and does not indicate a
problem. To facilitate the cooling of the battery pack after use,
avoid placing the charger or battery pack in a warm environment
such as in a metal shed, or an uninsulated trailer.
3. If the battery pack does not charge properly:
a. Check operation of receptacle by plugging in a lamp or other
appliance;
b. Check to see if receptacle is connected to a light switch which
turns power off when you turn out the lights;
c. Move charger and battery pack to a location where the
surrounding air temperature is approximately 65 °F-75 °F
(18-24 °C);