• 6 •
4. Crank the engine until it starts or 7 seconds pass. If the engine does not start, repeat. Do not crank
during the cool down period (see below). This allows the charger and battery to cool down. NOTE:
During extremely cold weather, or if the battery is under 2 volts, charge the battery for 5 minutes
before cranking the engine.
5. If the engine fails to start, charge the battery for 5 more minutes before attempting to crank the engine again.
6. After the engine starts, unplug the AC power cord before disconnecting the battery clamps from the vehicle.
7. Clean and store the charger in a dry location.
NOTE: If the engine does turn over but never starts, there is not a problem with the starting system;
there is a problem somewhere else with the vehicle. STOP cranking the engine until the other problem has
been diagnosed and corrected.
ENGINE STARTING NOTES
During the starting sequence listed above, the charger is set to one of four states:
• Wait for ready – The charger charges the battery for 2 minutes before the Wait for Cranking state.
While waiting for ready, the engine can be cranked. For severely discharged batteries, it is not
recommended to crank during this time.
• Wait for cranking – The charger waits until the engine is actually being cranked before delivering the
amps for engine start.
• Cranking – When cranking is detected, the charger will automatically deliver up to its maximum output
as required by the starting system for up to 7 seconds.
• Cool Down – After repeated cranking during a 3-minute ready period, the charger enters a mandatory
3 minute (180 second) cool down state. After 2 hours of Engine Starting, the unit will automatically exit
from the charging mode, just as if the STOP button had been pressed; the ON LED will not be lit.
POWER-UP AUTO-START
This charger is equipped with an auto-start feature, which is triggered only when the charger is first
powered up. If the START button is not pressed within 30 seconds, the unit will search for a battery. If the
unit detects a battery that is properly connected, the unit will set the rate to Boost, and it will automatically
start the charge process. The On (yellow/orange) LED will light.
FAN OPERATION
The fan will operate as needed and it is normal for the fan to sometimes operate continuously. Keep the
area near the charger clear of obstructions to allow the fan to operate efficiently.
12. MAINTENANCE AND CARE
A minimal amount of care can keep your battery charger working properly for years.
• Clean the clamps each time you are finished charging. Wipe off any battery fluid that may have come
in contact with the clamps to prevent corrosion.
• Occasionally cleaning the case of the charger with a soft cloth will keep the finish shiny and help
prevent corrosion.
• Coil the input and output cords neatly when storing the charger. This will help prevent accidental damage
to the cords and charger.
• Store the charger unplugged from the AC power outlet in an upright position.
• Store inside, in a cool, dry place. Do not store the clamps on the handle, clipped together, on or around
metal, or clipped to the cables.