Cornelius TP01070 manual Diagnostics Guide for the Main Control Board see Figure, Condition

FlavorFusion®/FlavorOverload Training Manual

DIAGNOSTICS GUIDE FOR THE MAIN CONTROL BOARD (SEE FIGURE 22)

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

LED

FIGURE 22

© 2004-2007, IMI Cornelius Inc. - 19 - Publication Number: TP01070