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• 9 •
PROBLEM POSSIBLE CAUSE SOLUTION
Engine start does
not work.
Drawing more than the
Engine Start rate.
Failure to wait 3 minutes (180
seconds) between cranks.
The charger may be
overheated.
Battery may be severely
discharged.
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.
When the Engine Start LED blinks,
wait 3 minutes of rest time before the
next crank.
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.
On a severely discharged battery, use the
50A Boost rate for 10 to 15 minutes, to
help assist in cranking.
The display shows
“bAD / bAt / F 01 ”.
The battery voltage is
still below 10V (for a 12V
battery) or 5V (for a 6V
battery) after 2 hours of
charging.
The battery may be defective. Make
sure there are no loads on the battery.
If there are, remove them. If there are
none, have the battery checked or
replaced.
The display shows
“bAD / bAt / F02”.
Desulfation was
unsuccessful, after 10 hours.
The battery may be defective. Have
battery checked or replaced.
The display shows
“bAD / bAt / F05”.
Lack of progress is detected
after 12 hours in Maintain
mode.
The battery won’t hold a charge. May be
caused by a drain on the battery or the
battery could be bad. Make sure there
are no loads on the battery. If there are
remove them. If there are none, have
the battery checked or replaced.
14. BEFORE RETURNING FOR REPAIRS
If these solutions do not eliminate the problem, or for more information
about troubleshooting, contact customer service for assistance:
www.batterychargers.com
or call 1-800-621-5485
Monday-Friday 7:00am to 5:00pm CST
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.
15. SPECIFICATIONS
UL
Input ...................................................120V AC @ 60Hz, 11A continuous, 50A intermittent
Output ....................................... 6/12V DC, 6A; 50A int., 60 sec. max on, 180 sec. min off
6/12V DC, 125/250A int., 5 sec. max. on, 180 sec. min. off
cUL
Input ...................................................120V AC @ 60Hz, 11A continuous, 50A intermittent
Output ....................................... 6/12V DC, 6A; 35A int., 60 sec. max on, 180 sec. min off
6/12V DC, 125/220A int., 5 sec. max. on, 180 sec. min. off
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