SKYJACK, Page 37
Section 2 - Operation
August 2007
SJM & SJII Series
Charging State LED
The charger goes into an equalizing charge mode
after the batteries are charged and all 3 LEDs are
“ON”. The charger will continue to charge at a low
current then shut-off automatically when complete.
If all 3 LEDs blink together, there is a problem.
Take proper action according to the following instruc-
tions:
3 LEDs blink once simultaneously: Output
connection error. Check the battery and charger
connection. The output may not be connected to
the batteries or the connections to the batteries may
have corroded or loosened. The output may be
shorted due to improper connection to the batteries
or pinched wires. The output may be connected in
reverse polarity to the batteries. The charger is not
damaged by any of these problems.
3 LEDs blink twice simultaneously: The charger is
indicating that the AC voltage is too low or too high.
Check the AC input voltage.
3 LEDs blink three times simultaneously: Charger
is overheated. No action required. When the charger
cools, charging will restart automatically. Check and
correct for dirt or other debris on charger that may
be reducing cooling.
3 LEDs blink four times simultaneously: Input or
output over current. No action required, charger will
correct and restart automatically.
State of charge 1
ST
LED 2
ND
LED 3
RD
LED
0 to 50% Blinking Off Off
50% to 75% On Blinking Off
75% to 100% On On Blinking
100% On On On
60133AA
Batteries do not fully charge. If the batteries are
charged overnight, make sure the AC supply is not
being switched-off at night with other building items.
Check battery condition and for dead cells or
reduced capacity. Replace charger only if other
problems are not found.
The AC line circuit breaker or fuse is blown. A
defective circuit breaker or fuse, an overloaded
circuit, or a charger problem can cause this condition.
Try connecting the charger to a different AC outlet
(on a different circuit) in the building. If the AC supply
checks good, the charger should be replaced.
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