Schumacher SP1 owner manual Problem Possible Cause REASON/SOLUTION

PROBLEM		POSSIBLE CAUSE	REASON/SOLUTION
The charger is		Battery is defective.	Have the battery
making an audible			checked.
clicking sound.		Severely discharged	The battery may
		battery, but otherwise	not want to accept
		it is a good battery.	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	Shut the charger off
		at battery.	and correct the lead
			connections.
Charger makes a		Transformer	No problem, this is a
loud buzz or hum.		laminations vibrate	normal condition.
		(buzz).
CHARGING		Indicates the charger	See “Aborted Charge”
		is in abort mode.	in the OPERATING
LED is flashing.
			INSTRUCTIONS
			Section.
CHARGED	LED	Battery is 80%	See Section 10
is flashing.		charged.	OPERATING
			INSTRUCTIONS –
			Quick Charge.

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