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8. TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
The unit won’t jump start my car.
Clamps are not making a good
connection to the battery.
Connections are reversed.
The unit’s battery is not charged.
The vehicle’s battery is defective.
The unit is not turned on.
Check for poor connection to
battery and frame. Make sure
connection points are clean.
Disconnect the unit and reverse the
clamps.
Press the Battery Status button on
the front of the unit. The LEDs will
indicate the status of charge.
Have the battery checked.
Turn the unit
ON/OFF
switch to the
ON position.
The unit won’t power my 12V
device.
The 12V device is not turned on.
The unit’s battery is not charged.
The 12V device draws more than
15A or has a short circuit.
Turn on the 12V device.
Check the battery charge status by
pressing the Battery Status button.
Disconnect the 12V device. The
internal breaker will automatically
reset after a minute or two. Try the
12V device again.
The battery in the unit won’t hold
a charge.
The battery is bad (will not accept
a charge).
Have the battery checked.
9. ACCESSORIES
Male-to-male accessory cable
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10. BEFORE RETURNING FOR REPAIRS
For REPAIRS OR RETURNS, visit 365rma.com
Visit schumacherelectric.com for Replacement Parts.
