Frymaster M3000 manual LOV Generation II Technical Reference, Problem, Probable Causes

LOV™ Generation II Technical Reference

Problem	Probable Causes	Corrective Action
		A. Check to see that fryer is heating.
		Fryer temperature must be at
		setpoint. Check ATO probe
		resistance. If probe is bad, replace
		the probe.
		B. Ensure that the oil in the JIB is
		above 70°F (21°C).
		C. With the computer OFF, press
	A. Probe temperature lower than	TEMP button and ensure the
		ATO version appears. If not,
	setpoint.
		the connection between the AIF
	B. Oil is too cold.	and the ATO board may be bad.
		Ensure the 6-pin CAN connectors
	C. Bad Connection.	are tight between AIF (J4 and J5)
		and ATO (J10) boards.
Frypots won’t top off.	D. ATO board power loss.	D. Power to the ATO board has been
		cut off. Restore power to the board
	E. Failed transformer/harness.	and clear any service required
		errors.
	F. ATO pump failed.	E. Ensure transformer in ATO box is
		functioning properly. Check power
	G. Failed ATO board.	from transformer to ATO board.
		Ensure all harnesses are plugged
		securely into place.
		F. Ensure pump is operational.
		Check voltage to pump. Replace
		the pump if defective.
		G. Check for proper voltages using the
		pin position charts found on pages
		43-47. If ATO found defective,
		replace ATO board and clear any
		errors.
		A. Ensure all wiring harnesses are
One vat tops off but other	A. Loose wire connection.	securely connected to ATO board
		and solenoids.
vats fail to top off.
	B. Actuator issue.	B. Check return actuator to ensure
		actuator is functional.
Incorrect vat tops off.	A. Wired incorrectly.	A. Check wiring.
	B. Flexlines connected to wrong vat.	B. Switch flexlines to correct vat.
		A. Clear filter error properly. When
		change filter pad YES/
	A. Filter error exists.	NO is displayed, do NOT press
		any button until the pan has been
One vat doesn’t top off.	B. Actuator, pump, loose connection,	removed for at least thirty seconds.
		After thirty seconds have elapsed,
	RTD or ATO issue.	the computer returns to OFF or last
		display.
		B. Check actuator, ATO pump, wire
		connections, RTD and ATO board.

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