Bunn CW-APS, CWT-TSR service manual Service Timer, OLD Style

Page 26

SERVICE (cont.)

TIMER (cont.)

If voltage is present as described, the brew timer is operating properly. Reset the timer dial as required, to obtain the desired brew volume.

If voltage is not present as described, replace the timer.

Removal and Replacement:

1.Separate all connectors between the brewer wir- ing harness and the timer.

2.Remove the one #8-32 screw securing timer to

component bracket.

3Install new timer circuit board as described in Late

Model Timer section on the following pages.

4.Refer to Fig. 19 when reconnecting the wires.

5.Install the Timer Setting decal, provided with the replacement timer kit, below the schematic on the inside of the front access panel.

6.Adjust the timer as required. Refer to Late Model Timer section on the following pages.

To Main Wiring Harness

WHI to Solenoid Valve
BLK to Solenoid Valve
OLD STYLE	P1136

FIG. 17 TIMER TERMINALS

Page 26	10690 062300

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Contents CWT-TSR Warranty IntroductionUser Notices Electrical Hook-Up Electrical RequirementsPlumbing Requirements Models CW-APS & CWT-TSThird Type Models W/FAUCET Plumbing RequirementsEarly MO Dels W/OUT Fauc ET Models CWTF-APS, CWTF-TS CWTF-TSR6A.Models CW-APS & CW-TS Initial SET-UP4A.Models CW-APS & CW-TS 8A.Models CWA-PS & CW-TSStart Switch Adjusting Brew VolumesON/OFF Switch Operating Controls5A.Models CW-APS & CW-TS CleaningCoffee Brewing Brew cycle will not start CWT No water TroubleshootingProblem Probable Cause Remedy Must be openCWTF-TS, CWT-TSR &CWTF TroubleshootingProblem Probable Cause Remedy TSRProblem CWTF-TSRControl Thermostat Syphon System Lime Build-up Spitting or excessive steaming Dripping from sprayheadBeverage overflows dispenser DispenserCWT-APS, CWTF-APS, CWT-TS CWTF-TS, CWT-TSR, CWTF-TSRBrewer is making unusal noises Tank Heater Remove and clean lime off the tank heater. SeeCWT-TS, CWTF-TS, CWT-TSR CWTF-TSR Contents ServiceComponent Access Service Control ThermostatService Control Thermostat Limit ThermostatON/OFF Switch Location Test Procedures Disconnect the brewer from the power sourceSolenoid Valve 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

SERVICE (cont.)

TIMER (cont.)

OLD STYLE

FIG. 17 TIMER TERMINALS