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• 14 •
PROBLEM POSSIBLE CAUSE SOLUTION
Short or no start cycle
when cranking engine.
Failure to wait 3 minutes (180
seconds) between cranks.
Clamps are not making a
good connection.
AC cord and/or extension
cord is loose.
No power at receptacle.
The charger may be
overheated.
Battery may be severely
discharged.
Wait three minutes or until the
display reads rdy and the
LED is on.
Check for poor connection at
battery and frame. Make sure
connecting points are clean.
Check power cord and extension
cord for loose tting plug.
Check for open fuse or circuit
breaker supplying AC outlet.
The internal thermal protector may
have tripped and needs
a little longer to close. Wait until it
automatically resets and try again.
On a severely discharged battery,
use the
Boost rate for 10 to 15
minutes, to help assist in cranking.
Charger makes a loud
buzz.
Transformer laminations
vibrate.
No problem; this is a normal
condition.
Battery % stays low
during charging.
Battery is severely
discharged.
Wrong battery voltage
selected.
Continue charging battery for two
more hours. If problem continues,
have the battery checked and
replace, if necessary.
Make sure Battery Voltage switch
is set to the correct voltage for the
battery you are charging.
The “Maintain” and “Fast
Charge” rates do not
work on the 24V setting.
Complete charge of a 24 Volt
battery is not a function of
this unit.
This charger does not fully charge
24V batteries. It boosts the voltage
to 27.3V and holds the voltage at
this level.
Clicking noise from
charger.
Circuit breaker is cycling.
Battery is defective.
Shorted battery clamps.
Severely discharged battery,
but otherwise a good battery.
Reversed connections at
battery.
Under certain conditions, this unit
has a high capacity and the circuit
breaker protects the unit under
these conditions. If the circuit
breaker is cycling often, stop the
operation by pressing the START/
STOP button and wait until the unit
has cooled, to return to operation.
Have the battery checked.
Circuit breaker cycles when current
draw is too high. Check for shorted
cables and replace if necessary.
Allow charging to continue until
battery has a chance to recover
sufciently to take a charge. If more
than 20 minutes, stop charging and
have the battery checked.
Correct the lead connections.
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