Bunn TU3Q Dripping from sprayhead, Syphon System Lime Build-up, Dispenser, For proper extraction

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TROUBLESHOOTING (cont.)

PROBLEM

Dripping from sprayhead

PROBABLE CAUSE

1.Syphon System

2.Lime Build-up

CAUTION - Tank and tank compo- nents should be delimed regularly depending on local water condi- tions. Excessive mineral build-up on stainless steel surfaces can ini- tiate corrosive reactions resulting in serious leaks.

REMEDY

The brewer must be level or slightly lower in front to syphon properly.

Inspect the tank assembly for ex- cessive lime deposits. Delime as required.

3. Brew Solenoid Valve

Refer to Service - Brew Solenoid

 

Valve for testing procedures. See

 

page 15.

Water flows into tank continuously (ON/OFF Switch "ON") (UNSWEET/OFF/SWEET Switch in "UNSWEET" or "SWEET" position)

Water flows into tank continuously (ON/OFF Switch "OFF") (UNSWEET/OFF/SWEET Switch in "UNSWEET" or "SWEET" position.

Beverage overflows dispenser

1.

Brew Timer

Refer to Service - Brew Timer for

 

 

testing procedures. See page 16 or

 

 

17.

1.

Brew Solenoid Valve

Refer to Service - Brew Solenoid

 

 

Valve for testing procedures. See

 

 

page 15.

1.

Dispenser

The dispenser must be completely

 

 

empty before starting a brew cycle.

2.

Brew Timer

Refer to Service - Brew Timer for

 

 

testing procedures. See page 16 or

 

 

17.

 

3.

Brew Solenoid Valve

Remove the Brew Solenoid Valve

 

 

 

and clean any obstruction. Rebuild

 

 

 

or replace the valve if necessary.

 

 

 

See page 15.

Weak beverage

1.

Filter Type

BUNN¨ paper filters must be used

 

 

 

for proper extraction.

 

2.

Tea

A sufficient quantity of fresh, loose

 

 

 

tea leaves should be used for proper

 

 

 

extraction.

 

3.

Sprayhead

A clean stainless steel sprayhead

 

 

 

must be used for proper extrac-

tion.

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Contents TU3Q Phone 217 529-6601 FAX 217Contents BUNN-O-MATIC Commercial Product WarrantyIntroduction User Notices #00831.0000 #00656.0000#03408.0002 #03409.0002 #03408.0000 #03536.0000 #03409.0000 Electrical Requirements Plumbing RequirementsElectrical Hook-Up Initial SET-UP Auto Sweetener SET-UPAdjusting Brew Volumes Auto Sweetener SET-UPCleaning Auto Sweetener CleaningOperating Controls TEA Brewing Troubleshooting Problem Probable CauseRemedy Troubleshooting ProblemProbable Cause RemedyProblem Probable Cause Beverage overflows dispenser Brew Timer Dripping from sprayheadSyphon System Lime Build-up DispenserProblem Probable Cause Remedy Service Component AccessService Test Procedures Disconnect the brewer from the power sourceBrew Solenoid Valve Solenoid valveBrew Timer Early Models Wiring Diagram and check the wiring harnessService Digital Brew Timer Late Models If voltage is as described, proceed to #7Digital Timer Wiring Control Thermostat Control ThermostatLimit Thermostat Limit ThermostatON/OFF Switch Refer to when reconnecting the wires LocationSwitch terminals On the switch terminalStart Switch Start SwitchTank Heater Sweetener Solenoid Valve Optional OFF/SELECTOR Switch Schematic Wiring Diagram TU3Q Volts AC 2 Wire Single PhaseWire Volts AC