Schumacher SE-520MA ES - Manual (Page 7)

7
TROUBLESHOOTING
The battery charger is designed to work automatically. However, if a problem does occur, check the following:
PROBLEM POSSIBLE CAUSE SOLUTION
No meter reading. Connections are reversed. With charger unplugged, reverse clips and
reconnect (rock back and forth to bite in).
Poor electrical connection. Clean clips and battery posts and reconnect
(roll back and forth to bite in).
AC outlet is dead. Plug in a lamp or other appliance to check
for voltage.
Battery is defective (will not Have battery checked.
accept charge).
Charger will not turn on Battery recently used in Battery does not need charging.
(when properly connect- vehicle and is fully charged.
ed to power. (If battery is in vehicle turning on headlights
will lower battery voltage in a few seconds
and charger should then turn on.)
Charger will not turn OFF. Battery has problem and will Have battery checked.
not take full charge.
Meter needle pulses Two or more batteries Do not parallel charge.
(fluctuates)every few connected in parallel.
seconds AFTER THREE
HOURS without slowing
down.
Battery of 200 ampere hours Requires more time to charge: continue
or larger. charging.
Battery is connected to
applicaton that draws a small
current (such as an
autodome light).
Meter needle moves to extreme Severely discharged battery (but Allow charging to continue until battery has
right, remains a short time, then otherwise good battery). recovered sufficiently to take a charge (Circuit
returns to zero, accompanied breaker will continue to cycle and needle will
by a clicking sound. swing side to side until battery has recovered).
Battery is defective (will not accept Have battery checked.
charge)
Charger is cycling after circuit breaking Wait until charger automatically resets itself
overload. (DO NOT RETURN FOR SERVICE).
R.