Schumacher 1200A Battery Charger User Manual


 
14
TROUBLESHOOTING
Performance problems often can be corrected by the user. Please completely read
this chart for possible solutions to common problems.
PROBLEM POSSIBLE CAUSE SOLUTION
The battery is connected and The charger is not in Press the DISPLAY MODE
the charger is on, but it isn't charging mode. button until Battery % or
charging. Voltage light comes on.
Indicator lights are lit in an A button may have been Make sure nothing is
erratic manner not explained pressed when the charger touching the control panel,
in the “Using Your Battery was plugged in. then unplug the unit and
Charger” section. plug it in again.
The charger may be Return to place of purchase
defective. for replacement.
All the lights are flashing. Charger in abort mode. See “USING YOUR BATTERY
Battery may be bad. CHARGER.”
The CHECK (red) light This will happen if the Reset the charger by un-
always flashes before the battery did not reach full plugging it or briefly discon-
battery is completely charge within 24 hours. May necting the negative battery
charged. be due to a very large clip. Select the desired
battery or a bank of batteries charge rate and battery type
requiring more power than again, if necessary.
the charger can deliver in
24 hours. Battery may also
be faulty.
The green CHARGED light The battery may be fully If the battery is in a vehicle,
turns on a few minutes after charged or recently charged, turn the headlights on for a
connecting to the battery. leaving the battery voltage few minutes to reduce the
high enough to appear to be battery voltage and try
fully charged. charging again. Also try a
lower CHARGE RATE
selection.
The charger is making an The charger has a relay that No problem, this is a normal
audible clicking sound. turns the current on and off condition.
to the battery.
The fan turns on and off The fan is turned on and No problem, this is a normal
unexpectedly. off as determined by the condition.
software and temperature.
The measured current is The charger reached the No problem, this is a normal
much lower than what maximum voltage and is condition.
was selected. reducing the current.
The charger detected an Make sure the charger does
over-temperature condition not have the side ventilation
and has reduced the current holes blocked. Move charger
to allow the unit to cool. out of the sun and into the
shade.
The charger was unplugged The battery is supplying the Disconnect the battery or
from the wall but the display power to the display. press CHARGE RATE or
is still on. BATTERY TYPE switch.