Kohler 60RCL, 38RCL, 48RCL manual Fault Shutdown SD Condition Check

	Warning (W) or
Fault	Shutdown (SD)	Condition	Check
AC Sens Lost	W (1 sec.)	AC Sensing Lost. In Auto mode, generator	Contact an authorized
	SD (3 sec.)	output AC sensing is lost. Starts 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	Contact an authorized
Warning		fault (short circuit) on the accessory controller	distributor/dealer for service.
		power output.
Alt Protect	SD	High generator current has been detected. The	Reduce the load.
Shtdwn		generator set shuts down to protect the
		alternator from damage caused by overheating
		the windings. (38RCL only)
ATS Com Error	W	Ats Communication Error. Warning is displayed	Check communication wiring between
		if RXT interface connection is lost. See	transfer switch interface board and
		Section 2.6.3.	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 Voltage	W	Engine starting battery voltage rises above	Check the battery rating and
High		125% of the battery voltage setting for more than	condition.
		10 seconds. Inhibited during the engine crank	Check the battery charger operation.
		cycle.
		Clears when the battery voltage returns to an
		acceptable level.
Battery Voltage	W	Engine starting battery voltage falls below the	Check the battery rating and
Low		battery voltage setting (typically 12.5 volts) for	condition.
		more than 90 seconds when the engine is not	Check the battery charger operation.
		running. Inhibited during the engine crank cycle.
		Clears when the battery voltage returns to an	Charge or replace the battery.
		acceptable level.
CAN comm	SD	Engine CAN communications fault.	Check wiring to ECM.
fault			Check power to ECM.
Engine Coolant	SD	Engine coolant temperature exceeds the	Check for blocked air inlets and
Temperature		maximum temperature for more than 5 seconds.	exhaust outlets.
High		Function becomes active after crank disconnect.
Engine Oil	SD	The engine ECM indicates low oil pressure for	Check for leaks in the lubrication
Pressure Low		more than 5 seconds. Function becomes active	system.
		30 seconds after crank disconnect (30 second	Check the oil level and add oil if the
		inhibit).
			level is low.
		Note: The low oil pressure shutdown does not
		protect against low oil level. Check the engine
		oil level regularly as recommended in Section 4.
EngineSpeed	SD	Engine speed exceeds 115% of the normal	Contact an authorized
High		running speed for more than 0.3 seconds.	distributor/dealer for service.
EngineSpeed	SD	Engine speed drops below 85% of the normal	Reduce the load.
Low		running speed for more than 3 seconds.	Contact an authorized
			distributor/dealer for service.

TP-6810 11/13 Section 2 Generator Set Operation 23