Use this section to troubleshoot your AC/DC charger. The money you save in shipping and repairs may be your own!
Problem: Battery leads connected with reverse polarity.
Solution: Re-connect leads with proper polarity.
Problem: Battery is completely dead, 0-volts or shorted.
Solution: Battery needs to be checked by a qualified person
.Problem: Voltage sensing lead has broken off from alligator clip.
Solution: Re-solder lead to alligator clip.
“Most likely this is the problem and can be fixed by resoldering the
lead.”
Problem: AC power source fluctuation or interrupted current flow.
Solution: Change or switch to another outlet on a different circuit.
Problem: DC power source a car battery.
Solution: Battery voltage is too low. Charge battery.
Problem: DC power supply voltage output is below 12.2v.
Solution: Change to a higher output power supply.
Problem: Cooling fans blocked, inadequate airflow.
Solution: Clear any obstruction.
Problem: Charger sitting in direct sunlight causing too high of ambient
temperature.
Solution: Move from direct sunlight to shaded area.
Problem: Cooling fans not functioning.
Solution: Send unit in for repair.
Problem: Charger will not power up either AC or DC.
Solution: Check fuses, 7.5 or 10 amp, inside charger.
Note: If charger keeps blowing the 7.5 or 10 amp fuses all the time,
that's because “trickle mode” is being left ON. So be sure to turn the trickle
mode OFF.
To gain access to the fuses, remove only the screws circled below:
