PROBLEM
Short or no start cycle
when cranking engine.
The
Boost LED is
flashing.
The
Boost LED shuts
off.
15. BEFORE RETURNING FOR REPAIRS
For REPAIR OR RETURN, contact Customer Service at 1-800-621-5485. DO NOT SHIP
UNIT until you receive a RETURN MERCHANDISE AUTHORIZATION (RMA) number
from Customer Service at Schumacher Electric Corporation.
All manuals and user guides at all-guides.com
POSSIBLE CAUSE
No power at receptacle.
AC cord and/or extension
cord is loose.
The clamps are not making a
good connection.
Failure to wait 3 minutes
between cranks.
The battery may be severely
discharged.
The battery is drawing more
than the engine start rate.
The charger may be
overheated.
The charger was left in Boost
mode for an extended period
of time.
The Boost mode is
completed.
If these solutions do not eliminate the problem,
or for more information about troubleshooting,
contact customer service for assistance:
services@schumacherelectric.com
www.batterychargers.com
or call 1-800-621-5485
Monday-Friday 7:00
Check for open fuse or circuit
breaker supplying AC outlet.
Check power cord and extension
cord for loose fitting plug.
Check for poor connection at
battery and frame.
Wait 3 minutes of rest time
before the next crank.
On a severely discharged
battery, use the 40A
rate for 10 to 15 minutes, to
assist in cranking.
Crank time varies with the
amount of current drawn. If
cranking draws more than the
engine start rate, crank time may
be less than 5 seconds.
The thermal protector may have
tripped and needs a little longer
to reset. Make sure the charger
vents are not blocked. Wait and
try again.
The
30 minutes, then go off, and
the
the charger has switched to
Charging mode.
This is normal. The charger will
automatically switch to charging
mode to fully charge the battery.
Or you may press the
Selection button and select either
the
rate or
to 5:00
CST
am
pm
• 11 •
SOLUTION
Boost
Boost LED will flash for
LED will light, indicating
Rate
6A<>2A Charge/Maintain
Engine Start.