Schumacher SEM-1562A owner manual Troubleshooting Problem Possible Cause REASON/SOLUTION

15.4If the charger is moved around the shop or transported to another location, take care to avoid/prevent damage to the cords, clips and charger. Failure to do so could result in personal injury or property damage.

16.TROUBLESHOOTING

PROBLEM	POSSIBLE CAUSE	REASON/SOLUTION
Charger	AC outlet is dead	Check for an open fuse or
will not turn		circuit breaker supplying the
on when		AC outlet.
properly
connected.	Poor electrical	Check the power cord and
	connection.	extension cord for as loose
		fitting plug.
	Severely discharged,	The battery may not want
	but otherwise good,	to accept a charge due to
	battery.	a run-down state. Allow the
		charging to continue until the
		battery has had a chance to
		recover sufficiently enough to
		take a charge. If more than 20
		minutes, stop charging and
		have the battery checked.
	Clips are not making a	Check for poor connection to
	good connection to the	battery and frame. Make sure
	battery.	connection points are clean.
		Rock clips back and forth for a
		better connection.
	Battery is defective.	Check the battery.
	Reverse connections	Unplug the charger and
	at battery.	correct the lead connections.
Charger	Transformer	No problem, this is a normal
makes a	laminations vibrate	condition.
loud buzz	(buzz).	Have charger checked by a
or hum.	Shorted Diode
		qualified technician.
	Assembly or Output
	Rectifier Assembly (hum).

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