Schumacher PSW-70300A owner manual Troubleshooting Problem Possible Cause REASON/SOLUTION

16.TROUBLESHOOTING

PROBLEM	POSSIBLE CAUSE	REASON/SOLUTION
No reading on the	Charger is not plugged in.	Plug the charger into an AC outlet.
ammeter.	No power at the receptacle.	Check for open fuse or circuit
		breaker supplying AC outlet.
	Clips are not making a good	Check for poor connection to
	connection to the battery.	battery and frame. Make sure
		connection points are clean.
		Rock clips back and forth for a
		better connection.
	Connections are reversed.	Unplug the charger and reverse
		the clips.
	Battery is defective (will not	Have battery checked.
	accept a charge).
	4 amp charge rate is being used.	Ammeter may show no activity at
		the 4A charge rate.
Ammeter reading	Battery is severely discharged.	Continue charging battery for two
stays high.		more hours. If problem continues
		have the battery checked.
	Wrong battery voltage.	Verify the voltage settings on the
		charger are correct.
Ammeter reads less than	Extension cord is too long or wire	Use a shorter or heavier gauge
selected charge rate when	gauge is too small.	extension cord.
charging a discharged	Weak cell or sulfated plate in	A sulfated battery will eventually
battery
	battery.	take a normal charge if left
		connected. If the battery will not
		take a charge, have it checked.
	Battery is only partially	Continue to charge the battery.
	discharged.
Battery clips do not spark	The charger is equipped with	No problem; this is a normal
when touched together.	a safe start feature. In the	condition.
	automatic modes, it will not
	supply current to the battery
	clips until a battery is properly
	connected. Unlike traditional
	chargers, the clips will no spark if
	touched together.
The charger is making an	Circuit breaker is cycling.	The settings may be wrong.
audible clicking sound.		Check the charger settings.
	Battery is defective.	Have the battery checked.
	Shorted battery cables or clips.	Circuit breaker cycles when
		current draw is too high. Check
		for shorted cables or clips and
		replace if necessary.
	Severely discharged battery, but	The battery may not want to
	otherwise it is a good battery.	accept a charge due to a run-
		down state. Allow charging to
		continue until battery has a
		chance to recover sufficiently to
		take a charge. If more than 20
		minutes, stop charging and have
		the battery checked.
	Reverse connections at battery.	Shut the charger off and correct
		the lead connections.

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