Troubleshooting - Herth+Buss 95980806 Handbuch

Operating Instruction

11. Troubleshooting

Problem
The booster won't
jump start my car.
The booster won't
power my 12V
device.
The battery in the
booster won't hold
a charge.
The green POWER
LED does not light
when charger is
properly connected.
The red BAD
BATTERY LED is lit
and yellow/orange
CHARGING LED is
flashing rapidly.
27
Possible cause
Clamps are not making
a good connection to
the battery.
The booster battery is
not charged.
The vehicle's battery is
defective.
The fuse has blown.
The 12V device is not
turned on.
The booster battery
is not charged.
The 12V device draws
more than 15A or has
a short circuit.
The battery is bad (will
not accept a charge).
AC outlet is dead.
Poor electrical
connection.
Desulfation was
unsuccessful.
Reason/Solution
Check for poor connection to battery and frame.
Make sure connection points are clean. Rock
clamps back and forth for a better connection.
Check the battery charge status by pressing the
button on the front of the booster.
See LED Indicators section of this manual.
Have the battery checked.
Replace the power fuse (See section 8).
Turn on the 12V device.
Check the battery charge status by pressing the
button on the front of the booster.
See LED Indicators section of this manual.
Disconnect the 12V device. The internal breaker will
automatically reset after a minute or two. Try the
12V device again. If it happens again, replace the
12V device.
Have the battery checked.
Check for open fuse or circuit breaker at the
supplying AC outlet.
Check power cord and extension cord for a loose
fitting plug.
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 battery may be defective.
Have battery checked or replaced.
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