Manuals / Bunn / Kitchen Appliance / Coffeemaker

Bunn FMD-1 FMD-2 HOPPER DRIVE BOARD - FMD-1 ONLY cont, SERVICE cont, Increase/Decrease Switch

Models: FMD-1 FMD-2

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HOPPER DRIVE BOARD - FMD-1 ONLY (cont.)

SERVICE (cont.)

HOPPER DRIVE BOARD - FMD-1 ONLY (cont.)

RED from Hopper

Motor

J1 Connector for

J1

Three Pin Plug from

Potentiometer

BLK from

Hopper Motor

RED/WHI from

Main Harness

WHI from Main

Harness

P1669

FIG. 22 HOPPER DRIVE BOARD TERMINALS

INCREASE/DECREASE SWITCH - FMD-2 ONLY

J1

12

J1

J2

J4

J3

P1666

FIG. 23 INCREASE/DECREASE SWITCH

Location:

The increase/decrease switch is located on the lower left front of the whipper motor mounting panel.

Test Procedure:

1.Disconnect the dispenser from the power source.

2.Disconnect the wires from the switch terminals.

3.Check for continuity between the center terminal and upper terminal with switch in the decrease position (lower). Check for continuity between the center terminal and the lower terminal with the switch in the increase position (upper).

If continuity is present as described, the switch is operating properly.

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

Removal and Replacement:

1.Open the dispenser door.

2.Remove the facenut securing the increase/de- crease switch to the whipper motor mounting panel.

3.Remove switch with wires attached from the back side of the whipper motor mounting panel.

4.Disconnect the wires from the switch and discard the switch.

5.Refer to Fig. 24 when connecting the wires to the new switch.

6.Install new switch with wires attached through the hole in the whipper mounting panel and secure with facenut.

RED/BLK from Control

Board J2-6

GRN from Control

Board J2-9

BRN/BLK from Control

Board J2-1

FIG. 24 INCREASE/DECREASE SWITCH	P1208
FIG. 24 INCREASE/DECREASE SWITCH
TERMINALS

28	29112 101598

Image 28

Bunn FMD-1 FMD-2 service manual HOPPER DRIVE BOARD - FMD-1 ONLY cont, SERVICE cont, Increase/Decrease Switch

Contents

FMD-1 FMD-2 BUNN-O-MATICCORPORATIONPOST OFFICE BOX SPRINGFIELD, ILLINOIS PHONE 217 529-6601 FAX S/N FMD0013000-UPINTRODUCTION WARRANTYUSER NOTICES USER NOTICES Cont 28964.000028964.0001 PUSH and HOLD BUTTON UNTIL CUPINITIAL SET-UP ELECTRICAL REQUIREMENTSELECTRICAL HOOK-UP PLUMBING REQUIREMENTSRINSE TIMER FMD-2 ONLY INITIAL FILL & HEATLIQUID LEVEL CONTROL RUNNING A RINSE SEQUENCECLEANING ADJUSTMENTSHOPPER MOTOR SPEED ADJUSTMENT FMD-1 COLD BEVERAGE SET-UP OPTIONAL FMD-2 ONLYHOPPER MOTOR SPEED PROGRAMING FMD-2 DRAINING THE HOT WATER TANKTROUBLESHOOTING PROBLEMPROBABLE CAUSE REMEDYTROUBLESHOOTING cont PROBLEMPROBABLE CAUSE REMEDYTROUBLESHOOTING cont PROBLEMRefer to Service - Level Control Board Refer to Service - Control Board andPROBLEM TROUBLESHOOTING contfor test procedures. See page Refer to Operation - Rinse TimerDispenser is making unusual PROBLEMREMEDY SERVICE COMPONENT ACCESSContents AUGER DRIVE COMPONENTS FMD-1AUGER DRIVE COMPONENTS - FMD-1 CONT SERVICEAUGER DRIVE COMPONENTS - FMD-1 cont SERVICE contAUGER DRIVE COMPONENTS - FMD-2 AUGER DRIVE COMPONENTS - FMD-2 CONT SERVICE contFIG. 5 AUGER DRIVE & HOPPER DISASSEMBLY 19. Hopper Support plateAUGER DRIVE COMPONENTS - FMD-2 cont SERVICE contSERVICE cont 9. Using four #8-32 screws install new auger motorAUGER DRIVE COMPONENTS - FMD-2 cont FIG. 7 AUGER MOTOR TERMINALSBALLAST - FMD-1 & FMD-2 cont SERVICE contSERVICE cont CONTROL BOARD - FMD-2 ONLYCONTROL THERMOSTAT - FMD-1 & FMD-2 cont CONTROL BOARD - FMD-2 ONLY CONT SERVICE contSERVICE cont FIG.14 DISPENSE SWITCHCONTROL BOARD - FMD-2 ONLY CONT FMD-1DISPENSE SWITCHS - FMD-1 & FMD-2 cont SERVICE contSERVICE cont FAN - FMD-1 & FMD-2DISPENSE SWITCHS - FMD-1 & FMD-2 cont FMD-2 SERVICE contDisconnect the red and white wires FMD-1 voltage across the disconnected harness wiresFROTHER AND WHIPPER MOTOR - FMD-1 shown & FMD-2 cont SERVICE contHOPPER DRIVE BOARD - FMD-1 ONLY SERVICE contSERVICE cont HOPPER DRIVE BOARD - FMD-1 ONLY contFIG. 24 INCREASE/DECREASE SWITCH SERVICE cont LAMP REPLACEMENT Refer to FigStarter W/Socket LAMP REPLACEMENT Refer to Fig.24cont LAMP STARTER and SOCKET Refer to Fig. 25 LocationLEVEL CONTROL BOARD AND LEVEL PROBE - FMD-1 ONLY SERVICE contLEVEL CONTROL BOARD AND LEVEL PROBE - FMD-1 ONLY cont SERVICE contRINSE/RUN SWITCH - FMD-1 FIG. 30 RINSE/RUN SWITCHFIG. 28 LIMIT THERMOSTAT LocationRINSE/RUN SWITCH - FMD-2 RINSE/RUN SWITCH - FMD-1 CONTSERVICE cont SERVICE cont SOLENOID VALVE COLD WATER OPTIONALFMD-2 ONLYLocation SERVICE cont LocationFMD-1 FMD-2SOLENOID VALVE DISPENSE - FMD-1 & FMD-2 cont FIG. 38 INLET SOLENOID VALVESERVICE cont SOLENOID VALVE INLET - FMD-1 & FMD-2SOLENOID VALVE INLET - FMD-1 & FMD-2 cont FIG. 40 TANK HEATERSERVICE cont LocationTANK HEATER SWITCH - FMD-1 shown & FMD-2 TANK HEATER - FMD-1 shown & FMD-2 contSERVICE cont BLK to LimitTRANSFORMER - FMD-2 ONLY WHI/GRN - T7WHI/BLK - T12 SERVICE contSCHEMATIC WIRING DIAGRAM FMD-1 120 VOLTS A C - 2 WIRE 120/208-240 VOLTS AC - 3WIRE SINGLE PHASESCHEMATIC WIRING DIAGRAM FMD-2 120/208-240 VOLTS AC - 3 WIRE120 VOLTS AC - 2 WIRE SINGLE PHASE, 60 HZ