Bunn SA service manual START SWITCH Models ST, STA, STF & STFA, SERVICE cont

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START SWITCH (Models ST, STA, STF & STFA)

SERVICE (cont.)

START SWITCH (Models ST, STA, STF & STFA)

P1589

FIG. 10 START SWITCH

Location:

The START switch is located far right on the switch panel.

Test Procedures:

1.Disconnect the brewer from the power supply.

2.Disconnect the WHI/YEL wire from the top switch terminal and the WHI/ORA wire from the bottom switch terminal.

3.Check for continuity across the two terminals on the switch when it is held in the lower position. Continuity must not be present across these terminals in the upper position.

If continuity is present as described, reconnect the WHI/YEL wire to the top terminal and the WHI/ORA wire to the bottom terminal.

If continuity is not present as described, replace the switch.

Removal and Replacement:

1.Remove the WHI/YEL and WHI/ORA wires from the start switch.

2.Compress the clips inside the hood and gently push the switch through the opening.

3.Push new switch into the opening and spread the clips to hold the start switch in the hood.

4.Refer to FIG. 11 when reconnecting the wires.

WHI/YEL to Brew Timer TL3

WHI/ORAto Brew Timer TL5

P1591

FIG. 11 START SWITCH TERMINALS

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Contents ST,STA STF,STFA POST OFFICE BOX SPRINGFIELD, ILLINOISFAX BUNN S,SAUSER NOTICES WARRANTY#02763.0000 #02765.0000 #02769.0000 USER NOTICES Continued#00656.0000 #00882.0000Models S & SA ELECTRICAL REQUIREMENTSPLUMBING REQUIREMENTS Electrical Hook-Up4C. Models STF & STFA INITIAL SET-UP4A. Models S & SA 4B. Models ST, STAOPERATING CONTROLS CLEANINGModels ST, STF, STA & STFA ON/OFF SWITCH START SWITCHTROUBLESHOOTING REMEDY TROUBLESHOOTING contPROBLEM PROBABLE CAUSETROUBLESHOOTING cont PROBLEM Dripping from sprayhead Beverage overflows dispenser cont Weak beverage Brewer is making unusal noises COMPONENT ACCESS SERVICEContents CONTROL THERMOSTAT SERVICE contSERVICE cont CONTROL THERMOSTAT cont SERVICE cont LIMIT THERMOSTAT ON/OFF SWITCH Models ST, STA, STF & STFA FIG. 8 SOLENOID START SWITCH Models ST, STA, STF & STFA SERVICE cont TANK HEATER SERVICE cont TANK HEATER Cont FIG. 14 BREW TIMER SERVICE cont BREW TIMER Early Modelscont FIG. 16 DIGITAL BREW TIMER DIGITAL BREW TIMER Late ModelsSERVICE cont DIGITAL BREW TIMER Late Modelscont LIQUID LEVEL CONTROL BOARD Models STF & STFA STFACont SERVICE cont TIMER RELAY Models STF & STFA SERVICE cont WARMER ELEMENTS SERVICE cont THERMAL CUT-OFFModels SA, STA & STFA 29251 Page29251 Page29251 Page29251 Page29251 Page29251 Page29251 Page29251 Page29251 Page29251 Page29251 Page29251 Page29251 Page