Bunn CWT-TSR Spitting or excessive steaming Dripping from sprayhead, Beverage overflows dispenser

Page 12

TROUBLESHOOTING (cont.)

PROBLEM

Spitting or excessive steaming (cont.)

Dripping from sprayhead

Water flows into tank continuously (ON/OFF Switch "ON")

Water flows into tank continuously (ON/OFF Switch "OFF")

Beverage overflows dispenser

PROBABLE CAUSE

2. Control Thermostat

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.

3.Solenoid Valve (CWT-APS, CWTF-APS, CWT-TS, CWTF-TS, CWT-TSR & CWTF-TSR)

1.Timer (CWT-APS, CWTF-APS, CWT-TS, CWTF-TS, CWT-TSR & CWTF-TSR)

1.Solenoid Valve (CWT-APS, CWTF-APS, CWT-TS, CWTF-TS, CWT-TSR & CWTF-TSR)

1.Dispenser

2.Timer (CWT-APS, CWTF-APS, CWT-TS, CWTF-TS, CWT-TSR & CWTF-TSR)

3.Solenoid Valve (CWT-APS, CWTF-APS, CWT-TS, CWTF-TS, CWT-TSR & CWTF-TSR)

REMEDY

Refer to Service - Control Ther- mostat for testing procedures. See page 16

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.

Remove the solenoid valve and clear any obstructions. Rebuild or replace the valve if necessary.

See page 19

Refer to Service - Timer for testing procedures. See page 25 or 27

Remove the Solenoid Valve and clean any obstruction. Rebuild or replace the valve if necessary. See page 19

The dispenser must be completely empty before starting a brew cycle.

Refer to Service - Timer for testing procedures. See page 25 or 27

Remove the Solenoid Valve and clean any obstruction. Rebuild or replace the valve if necessary. See page 19

Page 12

10690 062300

 

Page 11 Page 13
Image 12
Page 11 Page 13
Contents CWT-TSR Warranty IntroductionUser Notices Electrical Requirements Plumbing RequirementsElectrical Hook-Up Models CW-APS & CWT-TSPlumbing Requirements Early MO Dels W/OUT Fauc ETThird Type Models W/FAUCET Models CWTF-APS, CWTF-TS CWTF-TSRInitial SET-UP 4A.Models CW-APS & CW-TS6A.Models CW-APS & CW-TS 8A.Models CWA-PS & CW-TSAdjusting Brew Volumes ON/OFF SwitchStart Switch Operating ControlsCleaning Coffee Brewing5A.Models CW-APS & CW-TS Troubleshooting Problem Probable Cause RemedyBrew cycle will not start CWT No water Must be openTroubleshooting Problem Probable Cause RemedyCWTF-TS, CWT-TSR &CWTF TSRProblem CWTF-TSRSpitting or excessive steaming Dripping from sprayhead Beverage overflows dispenserControl Thermostat Syphon System Lime Build-up DispenserCWT-APS, CWTF-APS, CWT-TS CWTF-TS, CWT-TSR, CWTF-TSRRemove and clean lime off the tank heater. See CWT-TS, CWTF-TS, CWT-TSR CWTF-TSRBrewer is making unusal noises Tank Heater Service Component AccessContents Service Control ThermostatService Control Thermostat Limit ThermostatON/OFF Switch Test Procedures Disconnect the brewer from the power source Solenoid ValveLocation Start Switch Start Switch TerminalsTank Heater Tank HeaterService Tank Heater Tank Heater Switch Tank Heater SwitchService Tank Heater Switch Tank Heater Switch TerminalsService TIMEREarly Models Disconnect the black and white wires to the sole- noidService Timer OLD StyleDigital Brew Timer Late Models If voltage is as described, proceed to #7Service Digital Brew Timer Late Modelscont Timer Setting10690 10690 10690 10690 10690
Top Page Image Contents