Frymaster M3000 Data Network Flow Chart, LOV Generation II Technical Reference, Middle, Right

LOV™ Generation II Technical Reference

Data Network Flow Chart

J7

120 Ω Pins 2 & 3

Right

M3000

J6

3-wire harness

J7

Middle

M3000

J6

3-wire harness

J7

Left

M3000

J6

3-wire harness

J1

Turn each computer to OFF. Press the TEMP button on each computer and verify ALL software versions are present (M3000, MIB, AIF, ATO and LON on US only). A missing version may indicate an open connection. Connections from the MIB to the AIF boards carry 24VDC on the gray cable.

3-wire harness

MIB

START OF 6-WIRE DATA AND POWER (24VDC) HARNESS

J2	6-wire
J4	harness

Left	Oil Level
AIF	Sensor
	(gas only)

6-wire harness

For systems that have a LON Board and/

NOTE: Pins 2 & 3 can be tested on any plug throughout the system and should read 120Ω.

The data network plugs on the boards can be

	J5
			6-wire
	J4	harness
Middle			Oil Level
			Sensor
AIF			(gas only)
	J5		6-wire
	J4	harness
Right
			Oil Level
AIF			Sensor
			(gas only)

or 4 or 5 battery systems have an

additional ATO Board.

6-wire harness

J9

ATO

J10

6-wire harness

	J9
2nd ATO board only	2nd ATO
in 4 and 5 batteries

J10

6-wire harness

swapped. (ie. J4 and

J5

6-wire

J203

J5 on the AIF board.)

120 Ω Pins 2 & 3 J10

J9 harness

ATO

120 Ω Pins 2 & 3

LON

J202

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