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PROBLEM POSSIBLE CAUSE SOLUTION
Digital Display reads HIGH
when testing the alternator.
The alternator output is
14.6 volts or more.
Have the electrical system
checked by a qualified
technician.
Yellow/orange CHARGING
LED is solid and the
display shows ANALYZING
BATTERY.
The charger needs to check
the condition of the battery.
The yellow/orange LED will
be solid when the charger
is checking the condition of
the battery.
Yellow/orange CHARGING
LED is flashing and the
display shows CHARGE
ABORTED BAD BATTERY.
The battery is sulfated.
The battery is too large for
the charger.
Reset the charger by briefly
unplugging it.
You need a charger with a
higher amp rate.
The display shows
CONNECT CLAMPS.
The clamps are not making
a good connection.
Check for poor connection
at battery and frame.
Short or no start cycle
when cranking engine.
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.
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 60A Boost
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 Boost LED is flashing. The charger was left
in Boost mode for an
extended period of time.
The Boost LED will flash
for 30 minutes, then go off,
and the Charging LED will
light, indicating the charger
has switched to Charging
mode.
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