Manuals / Bunn / Kitchen Appliance / Coffee Grinder

Bunn G9WD OPERATING CONTROLS Continued Model MHG, Model G9-2TDBC, Power ON/OFF Pad e 100V Models

Models: FPG-2 G9-2T DBC G9-2 G2 TRIFECTA G9 G9WD LPG-2

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OPERATING CONTROLS (Continued)

OPERATING CONTROLS (Continued)

Model MHG

Grind Pad (a)

Pressing initiates a timed grind cycle.

Stop Pad (b)

Pressing ends the operation of the grinder.

® PAD (c)

Pressing the ® pad allows programming access.

c

d	d

a	b

Hopper/Batch Selector Pads (d)

These pads are located on the funnel depictions on each side of the grinder with a total of 6 pads. Selecting one of these pads will select the amount of grind and side from which to grind.

Example: Selecting the lower pad on the left side will grind enough beans from the left hopper of the grinder to brew the amount programmed into grinder.

Control Board

The control board determines the amount of beans that will leave the hopper in a grind cycle. The timer portion can be adjusted to dispense a different amount from each hopper and each batch size. The scale is from 0.4 to 99.9 seconds. Refer to the Installation & Operating Manuals for Adjustments.

Model G9-2T DBC

Grind Pad (a)	d
Pressing initiates a timed grind cycle.	d
Stop Pad (b)
Pressing ends the operation of the grinder.	a
® PAD (c)	a

Pressing the ® pad allows programming access. e

c

d

b

Hopper/Batch Selector Pads (d)

These pads are located on the funnel depictions on each side of the grinder with a total of 6 pads. Selecting one of these pads will select the amount of grind and side from which to grind.

Example: Selecting the lower pad on the left side will grind enough beans from the left hopper of the grinder to brew the amount programmed into grinder.

Power ON/OFF Pad (e) (100V Models)

Pressing the ON/OFF pad alternately turns the grinder on and off.

Control Board

The control board determines the amount of beans that will leave the hopper in a grind cycle. The timer portion can be adjusted to dispense a different amount from each hopper and each batch size. The scale is from 0.4 to 99.9 seconds. Refer to the Installation & Operating Manuals for Adjustments.

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Bunn G9WD, LPG-2, G2 TRIFECTA, FPG-2 OPERATING CONTROLS Continued Model MHG, Model G9-2TDBC, Power ON/OFF Pad e 100V Models

Contents

BUNN-O-MATICCORPORATION SERVICE & REPAIR MANUALGRINDERS Includes MHG, FPG FPG-2, LPG-2,G1, G2, G3BUNN-O-MATICCOMMERCIAL PRODUCT WARRANTY CONTENTS RECOMMENDED DAILY CLEANING CAPACITY CHARTINTRODUCTION ADJUSTMENTSMUST BE COMPLETED BY AUTHORIZED SERVICE PERSONNEL SEE INSTRUCTIONS BELOW BEFORE USINGG9 WD - Packaging & Shim Removal DO NOT PLUG INOff/On/Start Switch Hopper Selector SwitchBatch Selector Switch Optional Dispense TimerOPERATING CONTROLS Continued Model G9Models G1, G2, G3 & G2 trifecta Models LPG, LPG-2EModel G9-2TDBC Power ON/OFF Pad e 100V ModelsOPERATING CONTROLS Continued Model MHG Batch Selector Switch OPERATING CONTROLS Continued Model FPGModel FPG-2DBC PAD cTROUBLESHOOTING ProblemProbable Cause RemedyTROUBLESHOOTING cont ProblemProbable Cause RemedyProblem Probable CauseRemedy HoppersPROBLEM PROBABLE CAUSEREMEDY TROUBLESHOOTING contSERVICE Component AccessComponent Locations P602CUP SENSOR SWITCH MODEL G2 TRIFECTA SERVICE ContBAG SENSOR SWITCH Models G1, G2, G3 or AC MOTOR AND GRIND CHAMBER SERVICE ContAC MOTOR AND GRIND CHAMBER cont SERVICE ContFIG. 5 GRIND CHAMBER COMPONENTS SERVICE ContAC MOTOR AND GRIND CHAMBER cont SERVICE Cont LocationDC MOTOR AND GRIND CHAMBER - G1MD ONLY cont SERVICE ContDC MOTOR AND GRIND CHAMBER - G1MD ONLY cont SERVICE Cont12.Slide burr auger rotor/spring assembly and burr MOTOR Models LPG & FPG SERVICE Cont11.Lay motor on it’s side SERVICE ContMOTOR Models LPG & FPG MOTOR Models LPG & FPG SERVICE Cont21.Discard old motor and housing assembly DECHAFFER Models LPG & FPG SERVICE ContMOTOR Models G9, G9-2,MHG FIG. 15 MOTORSERVICE Cont FIG. 16 MOTOR WIRINGFIG. 17 MOTOR AND GRIND CHAMBER Replace if excessively worn or damagedNOTE Burrs must be replaced as a set SERVICE ContSNUBBER Models G9, G9-2,MHG SERVICE ContSERVICE Cont Grinder Scale Model G9WD only CALIBRATIONLEVEL 2 FUNCTIONS FIG. 20 CAPACITOR Capacitor Model LPG onlySERVICE Cont Circuit Breaker Models LPG, LPG-2E,FPG, FPG-2DBC SERVICE ContHopper Selector Switch Model LPG-2Eonly SERVICE ContHopper Selector Switch Model G9-2only SERVICE ContSERVICE Cont FIG 28 OFF/ON/START SWITCHUrn/Carafe Switch Models G9, G9-2 SERVICE ContBatch Selector Switch Model FPG SERVICE ContFIG 34 POTENTIOMETERS Potentiometer Model FPGSERVICE Cont Rectifier Models G1 MD, FPG-2DBC SERVICE ContRelay Early Model G-9 SERVICE ContRelay Models G1, G2, G3, G2 trifecta SERVICE ContRELAY cont SERVICE ContSERVICE Cont LocationSERVICE Cont Replace if excessively worn or damagedReplace if excessively worn or damaged Hopper Slide Plates Models MHGSERVICE Cont SERVICE Cont wires, and proceed to #7Timer Model LPG-2E SERVICE ContTimer Model LPG-2E Timer Models LPG, FPGSERVICE Cont Timer Model G9 SERVICE ContTimer Model G9-2 Digital TimerAnalog Timer FIG 52 TIMERControl Board Model MHG SERVICE ContFIG 55 CONTROL BOARD SERVICE ContMembrane Switches Model MHG only SERVICE ContFIG 58 MEMBRANE SWITCH SERVICE ContEMI Filter Models FPG & FPG-2 SERVICE ContFunnel Sensing Coil Models MHG & G9-2DBC SERVICE ContMemory Clock Board Model MHG SERVICE ContMEMORY BOARD GRN WHI RED BLKDisplay Board Model MHG SERVICE ContTRIAC MAP for MHG TRIAC MAP for FPG-2DBC and G9-2DBC SCHEMATIC WIRING DIAGRAM WIRING DIAGRAMS2WIRE SINGLE PHASE 50/60 HZ G9-2DBC, G9-2TDBC W/SMART FUNNELSCHEMATIC WIRING DIAGRAM WIRING DIAGRAMS2WIRE SINGLE PHASE 50/60 HZ G9-2DBC, G9-2TDBC W/SMART FUNNELWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM G9-2TBDBC W/SMART FUNNEL100 VOLTS AC 2WIRE SINGLE PHASE 50 HZ 2WIRE SINGLE PHASE 50/60 HZSCHEMATIC WIRING DIAGRAM MHG WIRING DIAGRAMSSCHEMATIC WIRING DIAGRAM MHG with WD CBA WIRING DIAGRAMS2 WIRE + Gnd SINGLE PHASE, 50/60HZ 100 VOLTS AC, 120 VOLTS AC 240 VOLTS ACSCHEMATIC WIRING DIAGRAM LPG-2E, LPGB-2EWIRING DIAGRAMS 100 VOLTS AC 120 VOLTS AC 2 WIRE SINGLE PHASEWIRING DIAGRAMS WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM LPG 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZLPG-A WIRING DIAGRAMSSCHEMATIC WIRING DIAGRAM 230 VOLTS AC 2 WIRE SINGLE PHASE 50/60 HZ120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAMLPG W/Capacitor WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM LPG-B 100 VOLTS AC 2 WIRE SINGLE PHASE 50-60HZWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM G1, G2, G3 & G2 trifecta2 WIRE + GRD SINGLE PHASE 50/60 HZ 100 VOLT AC 120 VOLT AC 230 VOLT AC 240 VOLT ACSCHEMATIC WIRING DIAGRAM G9 SCHEMATIC WIRING DIAGRAM G9-URN/CARAFE120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ 2 WIRESCHEMATIC WIRING DIAGRAM G9A HD 50 HZWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM G9WD-RHSCHEMATIC WIRING DIAGRAM G9 SCHEMATIC WIRING DIAGRAM G9WIRING DIAGRAMS 120 VOLTS AC 2WIRE SINGLE PHASE 60 HZWIRING DIAGRAMS 230 VOLTS AC 2 WIRE SINGLE PHASE 50 HZSCHEMATICWIRINGDIAGRAMG9-2AHD WIRING DIAGRAMS FPGA WIRING DIAGRAMS120 VOLTS AC 2WIRE SINGLE PHASE 60 HZ 230 VOLTS AC 2WIRE SINGLE PHASE 50/60 HZ100 VOLTS AC 120 VOLTS AC 2WIRE SINGLE PHASE WIRING DIAGRAMSFPG-2DBC, FPGB-2DBC 60 HZFPG-2ADBC 230 VOLTS AC50 HZ SCHEMATIC WIRING DIAGRAM