Checklist - Multiplex 2803 Installation, Use & Care Manual

Section 5

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.
Problem
Water only dispensing:
No pressure
Syrup and CO only dispensing:
2
Carbonator
Syrup and plain water only dispensing:
No pressure
One valve will not dispense anything:
Is there power to the valve?
Beverage dispensed is too sweet:
Is the ratio (brix) of the drink correct?
Beverage is not sweet enough:
Is the ratio (brix) of the drink correct?
Drinks are foaming:
Are system pressures correct?
Part Number 000003912 6/17
Section 5
Before Calling for Service
Possible Cause
Regulator(s) out of adjustment
Out of CO
Defective regulator(s)
CO line pinched, kinked, or obstructed
2
No power
Water supply
Defective carbonator
Out of CO
HP regulator out of adjustment
Defective HP regulator
CO line pinched, kinked, or obstructed
2
Broken wire or loose connection
Bad microswitch
Flow control out of adjustment
Insufficient soda flow due to low
carbonator pressure
Low CO pressure due to leaks
2
Obstruction in the water or soda line
Flow control out of adjustment
Soda flow too high
Obstruction in syrup line
Over carbonation
Dirty lines/valves
Before Calling for Service
! Warning
Only trained and certified electrical and plumbing
technicians must service this unit. All wiring and
plumbing must conform to national and local codes.
Check/adjust regulator(s).
2
Check/repair/replace regulator(s).
Check/repair/replace CO
Check poser supply. Plug in carbonator
Make sure water is turned ON.
Check/clean/replace pump strainer.
Check/clean/repair water check valve.
Check for frozen water line.
Internal Carbonator unit only.
Check/repair/replace carbonator pump,
motor, electrode or liquid level control.
2
Adjust HP regulator to the proper setting.
Check/repair/replace HP regulator.
Check/repair/replace CO
Replace/repair wire or connector.
Adjust CO
Reset CO
Check CO
replace regulator is necessary.
Clean sanitize entire system.
To Correct
Install fresh tank.
line.
2
or reset breaker.
Replace water filter.
Install fresh tank.
line.
2
Replace microswitch.
Adjust the flow control.
pressure or change the tank.
2
Repair CO leaks.
2
Clean out the lines.
Adjust the flow control.
pressure or replace regulator
2
if necessary.
Clean out the syrup line.
supply. Reset pressure or
2
5-1