Cornelius 4 Flavor, 2 Flavor manual Problem, Probable Cause, Remedy

Quest Juice Training Manual

PROBLEM

No water and no con- centrate, refrigeration is working

No concentrate dis- pensed, water only

Warm Drink

Water continuously drips from nozzle when in OFF mode

Concentrate warm, water cold

Publication Number: TP00968

	PROBABLE CAUSE		REMEDY
• Freeze-up of water coil in ice		• Unplug dispenser and allow 2-4
bath		hours to thaw. Check operation of
		agitator motor and ice bank control.
•		• Refrigeration system may be low
		on charge resulting in a deformed ice
		bank and freeze-up of the water coil
		in the ice bath.
• Black service switch located on		•	Turn on switch
the rear of the cabinet door in OFF
position
• White door switch open		• Door switch must be closed in
		order to dispense. Check switch
		operation and replace if necessary.
• 6.25 amp fuse inside front elec-		• Replace with 6.25, 250VAC slow
trical box blown		blow fuse and test
• No output from Transformer		• Confirm transformer output by of
		26VAC +/- 2. Replace transformer if
		necessary.
•	Defective voltage regulator	• Measure across the VDC output of
board (VRB) located inside front		the board. There should be 28VDC
electrical box		present when the dispense button is
		pressed. Replaced VRB if necessary.
• Defective dispense push button		• Test and replace if necessary
or portion control board
• Concentrate container not fully		• Refer to Concentrate Loading sec-
engaged into receptacle on pump		tion of this manual
platform
• Dispense/Flush lever in FLUSH		• Move lever to DISPENSE position
position
• Concentrate too cold, not properly		• Concentrate should be 35-40°F
	thawed		(1.7-4.5°C) prior to loading
•	Defective pump motor	•	Replace pump motor
• Ambient air around dispenser is		•	Relocate dispenser
	too warm
• Excessive demand on dispenser		• Add water pre-cooler or second dis-
			penser
•	Dirty condenser coil	•	Clean condenser coil
•	Inoperative condenser fan	• Replace condenser fan motor
• Defective Ice Bank Control		• Test and replace if necessary
• Loss of refrigerant charge due to		• Repair leak and recharge system
	leak in system
• Main water solenoid at base of		• Clean solenoid(s), replace parts as
	unit or water solenoid on pump		necessary (refer to the Planned
	platform not shutting off tightly		Maintenance Section)
•	Cabinet fan inoperable	•	Check/replace fan
•	Agitator motor/pump inoperable	•	Check/replace agitator motor
	or restricted
• Loss of refrigerant charge due to		• Repair leak and recharge system
	leak in system
	- 36 -		© 2004, IMI Cornelius Inc.