Kohler 8/10/12RESVL manual Fault Message Shutdown SD Condition Check

	Warning (W) or
Fault Message	Shutdown (SD)	Condition	Check
AC Sens Loss	W (1 sec.)	AC sensing lost. In Auto mode, generator output	Contact an authorized
	SD (3 sec.) *	AC sensing is lost. Detection begins 10 seconds	distributor/dealer for service.
		after crank disconnect.
		Warning: after 1 second if no output detected
		after crank disconnect.
		Shutdown: after 3 seconds if voltage was
		present and then lost.
Accy PwrOver	W	Accessory Power Overload. An over current fault	Contact an authorized
Warning		(short circuit) on the accessory controller power	distributor/dealer for service.
		output.
Alt Protect	SD	High generator current has been detected. The	Reduce the load.
		generator set shuts down to protect the
		alternator from damage caused by overheating
		the windings (10RESV and 12RESV only).
ATS ComError	W	ATS communication error. Warning is displayed	Check communication wiring between
		if ATS interface connection is lost.	transfer switch interface board and
		See Section 2.5.3.	generator set.
ATS PhaseRot	W	ATS phase rotation mismatch. Transfer switch	Correct the ATS connection. Refer to
		phase rotation does not match, ATS will not	the ATS Installation manual, wiring
		transfer.	diagrams, and labels on the transfer
			switch.
Aux Input	SD *	Auxiliary input. An optional customer-connected	Check customer-supplied equipment.
		input is closed. (Digital input from optional PIM.)
Batt Chg Flt	W	Battery charger fault. Input to PIM from an	Check external battery charger.
		external battery charger (not the built-in battery
		charger).
Battery High	W	Engine starting battery voltage rises above 16	Check the battery rating and
		VDC for more than 10 seconds. Inhibited during	condition.
		the engine crank cycle.	Check the battery charger operation.
		Clears when the battery voltage returns to an
		acceptable level.
Battery Low	W	Engine starting battery voltage falls below 12.5	Check the battery rating and
		VDC for more than 90 seconds when the engine	condition.
		is not running. Not operative during the engine	Check the battery charger operation.
		crank cycle.
			Charge or replace the battery.
		Clears when the battery voltage returns to an
		acceptable level.
Battery CrLo	W	Engine starting battery voltage falls below 11	Check the battery rating and
Warning		Volts for more than 10 seconds. Inhibited during	condition.
		the engine crank cycle.	Check the battery charger operation.
		Clears when the battery voltage returns to an
			Charge or replace the battery.
		acceptable level.
Eng Speed	SD *	Engine speed exceeds 115% of the normal	Contact an authorized
High		running speed for more than 0.3 seconds.	distributor/dealer for service.
Eng Speed Low	SD *	Engine speed drops below 85% of the normal	Reduce the load.
		running speed for more than 3 seconds.	Contact an authorized
			distributor/dealer for service.
Exer Not Sch	W	Exercise not scheduled. No exercise is	See Section 3.6 or 4.5 for instructions
		scheduled on the controller.	to set the exerciser.

* Engine cooldown runs before shutting down.

TP-6880 10/14 Section 2 Generator Set Operation 25