Manitowoc Ice 11M manual Section Before Calling for Service, Checklist

Section 5 Before Calling for Service

Section 5

Before Calling for Service

Checklist

If a problem arises during operation of your post mix soda refrigeration unit, follow the checklist below before calling service. Routine adjustments and maintenance procedures are not covered by the warranty.

!Warning

Only trained and certified electrical and plumbing technicians must service this unit. All wiring and plumbing must conform to national and local codes.

Problem	Possible Cause	To Correct
Water only dispensing:	Regulator(s) out of adjustment	Check/adjust regulator(s).
No pressure
	Out of CO2	Install fresh tank.
	Defective regulator(s)	Check/repair/replace regulator(s).
	CO2 line pinched, kinked, or obstructed	Check/repair/replace CO2 line.
Syrup and CO2 only dispensing:	No power	Check poser supply. Plug in carbonator
Carbonator		or reset breaker.
	Water supply	Make sure water is turned ON.
		Replace water filter.
		Check/clean/replace pump strainer.
		Check/clean/repair water check valve.
		Check for frozen water line.
		Internal Carbonator unit only.
	Defective carbonator	Check/repair/replace carbonator pump,
		motor, electrode or liquid level control.
Syrup and plain water only dispensing:	Out of CO2	Install fresh tank.
No pressure	HP regulator out of adjustment	Adjust HP regulator to the proper setting.
	Defective HP regulator	Check/repair/replace HP regulator.
	CO2 line pinched, kinked, or obstructed	Check/repair/replace CO2 line.
One valve will not dispense anything:	Broken wire or loose connection	Replace/repair wire or connector.
Is there power to the valve?
	Bad microswitch	Replace microswitch.
Beverage dispensed is too sweet:	Flow control out of adjustment	Adjust the flow control.
Is the ratio (brix) of the drink correct?	Insufficient soda flow due to low	Adjust CO2 pressure or change the tank.
	carbonator pressure
	Low CO2 pressure due to leaks	Repair CO2 leaks.
	Obstruction in the water or soda line	Clean out the lines.
Beverage is not sweet enough:	Flow control out of adjustment	Adjust the flow control.
Is the ratio (brix) of the drink correct?	Soda flow too high	Reset CO2 pressure or replace regulator
		if necessary.
	Obstruction in syrup line	Clean out the syrup line.
Drinks are foaming:	Over carbonation	Check CO2 supply. Reset pressure or
Are system pressures correct?		replace regulator is necessary.
	Dirty lines/valves	Clean sanitize entire system.

Part Number 020001552 5/11 5-1