Cornelius FlavorFusion Series installation manual Diagnostics Guide For The Main Control Board

FlavorFusion Installation Manual

DIAGNOSTICS GUIDE FOR THE MAIN CONTROL BOARD

State	Observed State	Sensor Input	Control Response	Service Remedy
	of Red LED
0	Flash rate 3	Both probes read “wet”	Standby mode. Pump	No service required
	seconds		= OFF
1	Flash rate	Pump is OFF and	Waiting for level to	No service required
	1/2 second	HIGH probe reads “dry”	drop below LOW
		and LOW probe reads	probe. Pump = OFF
		“wet”
2	Flash rate	Both HIGH and LOW	Normal mode.	No service required
	1/2 second	probes read “dry”	Pump = ON
3	Flash rate	Entered when HIGH	Normal mode.	No service required
	1/2 second	probe does not detect	Pump = ON
		liquid, and LOW probe
		does detect liquid, and
		pump is ON
4	Flash rate 1	Entered when HIGH	THIS IS AN ERROR	- Check electrical
	second	probe reads “wet” and	CONDITION.	connections at the
		LOW probe reads “dry”		carbonator tank, and at
				connector J4 on the
				main control board
				- Black wire should be
				connected to the LOW
				probe and also to Pin 4
				of Connector J4
				- Reverse the
				connections if incorrect
				- Replace harness if
				necessary
5	ON	Poor signal connection	Able to continue to	Check the harness
	continuously,	to the carbonator tank.	function but	connections of the red
	but “flickers”	May result in short	carbonator pump	signal wire at both ends:
	every 3	cycling of the	short-cycles. Pump	1) at the carbonator ring
	seconds	carbonator pump.	will come on each time	terminal and
			a drink is drawn. THIS	2) at Pin 5 of the J4
			SITUATION SHOULD	connector at the main
			BE CORRECTED.	control board
6	ON	Entered when pump	THIS IS AN ERROR	Unplug the unit and plug
	continuously	has run continuously	CONDITION.	it back in. This will reset
		for 5 minutes		the unit's main control
				board and restart the
				carbonator pump.

© 2005-2006, IMI Cornelius Inc. - 17 - Publication Number: 621057601INS