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15
TROUBLESHOOTING/FAULT CODES
The charger does not
detect a battery
connected to it.
The battery voltage is
less than 10 V after some
time charging.
Battery voltage is too
high.
The battery is defective.
A load may be connected
to the battery.
Replace the battery.
Do not use the battery
during charging.
Battery is not a 12 V
battery.
Confirm that the battery is 12 V,
not 24 V.
Charger does not
recognize the battery.
Battery voltage is under
1.5 V (battery must have
a MINIMUM of 1.5 V to
activate charger).
Ensure battery posts are clean.
Rock clamps back and forth on
battery posts to ensure a good
connection.
Connect battery to charger
BEFORE connecting charger to
AC power.
Check battery voltage with a
volt meter. If LESS than 1.5 V,
replace battery. (A battery with
less than 1.5V is likely beyond
salvage due to extreme
sulphation or some other
internal failure.) You may try to
boost the battery using booster
cables connected to another
vehicle. This may raise the
battery voltage above 1.5 V
allowing the battery charger to
activate.
Poor clamp connection.
TROUBLESHOOTING/FAULT CODES
Error Code
Condition
Cause
Solution
Actual charge rate
exceeds selected
charging rate.
The temperature of the
charger is too high.
Charger error.
Disconnect the load and attempt
to charge again.
Disconnect the battery and the AC
power; attempt to charge again.
High ambient tempera-
ture or poor ventilation.
Ensure adequate ventilation.
The charger will resume
charging after cooling.
A load may be connected
to the battery.
®/MD
