Frymaster BIELA14 manual MIB Manual Interface Board Troubleshooting, Problem, Probable Causes

1.11.2 MIB (Manual Interface Board) Troubleshooting

Problem		Probable Causes		Corrective Action
	A.	Filter pan out of position.	A. Ensure filter pan is fully inserted into fryer.
			If the MIB board displays a “P” the pan is
	B.	Oil level too low.
			not fully engaged into the pan switch.
	C.	Ensure MIB board is not in
			B. Ensure the oil level is above the top oil
		manual mode.
	D.		level sensor.
		Ensure MIB cover is not
			C. Ensure MIB board is in “A” automatic
Auto filtration won’t		damaged and pressing against
			mode.
		buttons.
start.	E.		D. Remove and replace cover and see if
		Filter relay has failed.
			filtration will start.
	F.	AIF disable is set to YES, blue
			E. Replace filter relay with part number 807-
	G.	light doesn’t light.	4482 24VDC relay.
		Filter motor thermal switch is
			F. Set AIF disable in Level 1 to NO.
		tripped.
	H.		G. Press filter motor thermal switch.
		AIF clock enabled
			H. Ensure AIF clock is set to disabled.
MIB display shows	An error has occurred and		See MIB display diagnostics on page 1-21 for
something other than	displayed character indicates
			explanation.
an “A” or vat number.	error.
No power present at	Transformer has failed in left		Check output on the		left transformer			in left
			component box; should read 24VAC.					If not
the MIB board	component box.
			replace transformer.
			Press and hold reset button in top right corner
MIB will not clear			of MIB board for five seconds. The drain,
	Error remains in non-volatile		return and manual/auto LEDS will illuminate
error.	memory.		and the MIB will reset and clear any remaining
			errors from memory. Allow 60 seconds to reset.
			If an error still exists, then another issue exists.
			A. Ensure the CAN bus system is terminated at
			BOTH ENDS (on the M3000 connector J6
			and on the ATO board connector J9) with a
			resistor equipped 6-pin connector.
			B. Unplug and reseat all wiring harnesses in
			CAN system. Resistance between pins 2
	A.	Network is not terminated	and 3 on the CAN network				connectors
			should be 120 ohms.
MIB indicates		correctly.
			C. Check software version numbers on all
	B. Wiring harnesses are loose or
incorrect number of		damaged.	M3000 computers and ensure all are display
vats.			an AIF	version.	If an	AIF	version is
	C. An AIF board issue.
	D.	Locator pin issue.	missing,	the AIF	board	may	be	missing
			power or bad. Check pins 5 and on J4 and
			J5 of the affected AIF board for proper
			voltage.
			D. The locator pin in J2 of the AIF board is
			either loose or in the incorrect position. See
			the charts on page 1-55 of this manual for
			proper pin position.

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