Manuals / Bunn / Kitchen Appliance / Coffee Grinder

Bunn LPG-2, G9WD Service, Component Access, Component Locations, P602, P603, P1306 P1307 P1308

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

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SERVICE

SERVICE

This section provides procedures for testing and replacing various major components used in this grinder should service become necessary. Refer to Troubleshooting for assistance in determining the cause of any problem.

WARNING - Inspection, testing, and repair of electri- cal equipment should be performed only by qualified service personnel. The grinder should be unplugged when servicing, except when electrical tests are re- quired and the test procedure specifically states to plug-in the grinder.

Component Access

WARNING - Unplug the grinder before the removal of any panel or the replacement of any component.

All components are accessible by the removal of the lid, hopper, or front and rear access panels. Mark and retain all screws,washers and nuts for installation.

Component Locations

Some pictures showing component locations may be general to all grinders unless the component is specific to your model.

P602

CAUTION

PERSONAL INJURY

HAZARD.

KEEP FINGERS AND

FOREIGN OBJECTS

OUT OF HOPPER

OR CHUTE OPENING.

P603

14

P1306

P1307

P1308

41545 122209

Image 14

Bunn LPG-2, G9WD, G2 TRIFECTA, G9-2T DBC Service, Component Access, Component Locations, P602, P603, P1306 P1307 P1308

Contents

GRINDERS BUNN-O-MATICCORPORATIONSERVICE & REPAIR MANUAL Includes MHG, FPG FPG-2, LPG-2,G1, G2, G3BUNN-O-MATICCOMMERCIAL PRODUCT WARRANTY CONTENTS INTRODUCTION RECOMMENDED DAILY CLEANINGCAPACITY CHART ADJUSTMENTSG9 WD - Packaging & Shim Removal MUST BE COMPLETED BY AUTHORIZED SERVICE PERSONNELSEE INSTRUCTIONS BELOW BEFORE USING DO NOT PLUG INBatch Selector Switch Optional Off/On/Start SwitchHopper Selector Switch Dispense TimerModels G1, G2, G3 & G2 trifecta OPERATING CONTROLS ContinuedModel G9 Models LPG, LPG-2EModel G9-2TDBC Power ON/OFF Pad e 100V ModelsOPERATING CONTROLS Continued Model MHG Model FPG-2DBC Batch Selector SwitchOPERATING CONTROLS Continued Model FPG PAD cProbable Cause TROUBLESHOOTINGProblem RemedyProbable Cause TROUBLESHOOTING contProblem RemedyRemedy ProblemProbable Cause HoppersREMEDY PROBLEMPROBABLE CAUSE TROUBLESHOOTING contComponent Locations SERVICEComponent Access 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 ContSERVICE Cont MOTOR Models G9, G9-2,MHGFIG. 15 MOTOR FIG. 16 MOTOR WIRINGNOTE Burrs must be replaced as a set FIG. 17 MOTOR AND GRIND CHAMBERReplace if excessively worn or damaged 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 ContAnalog Timer Timer Model G9-2Digital 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 BOARD Memory Clock Board Model MHGSERVICE Cont GRN WHI RED BLKDisplay Board Model MHG SERVICE ContTRIAC MAP for MHG TRIAC MAP for FPG-2DBC and G9-2DBC 2WIRE SINGLE PHASE 50/60 HZ SCHEMATIC WIRING DIAGRAMWIRING DIAGRAMS G9-2DBC, G9-2TDBC W/SMART FUNNEL2WIRE SINGLE PHASE 50/60 HZ SCHEMATIC WIRING DIAGRAMWIRING DIAGRAMS G9-2DBC, G9-2TDBC W/SMART FUNNELWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM G9-2TBDBC W/SMART FUNNEL100 VOLTS AC 2WIRE SINGLE PHASE 50 HZ SCHEMATIC WIRING DIAGRAM MHG 2WIRE SINGLE PHASE50/60 HZ WIRING DIAGRAMS2 WIRE + Gnd SINGLE PHASE, 50/60HZ SCHEMATIC WIRING DIAGRAM MHG with WD CBAWIRING DIAGRAMS 100 VOLTS AC, 120 VOLTS AC 240 VOLTS ACWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAMLPG-2E, LPGB-2E 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 HZSCHEMATIC WIRING DIAGRAM LPG-AWIRING DIAGRAMS 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 50-60HZ2 WIRE + GRD SINGLE PHASE 50/60 HZ WIRING DIAGRAMSSCHEMATIC WIRING DIAGRAM G1, G2, G3 & G2 trifecta 100 VOLT AC 120 VOLT AC 230 VOLT AC 240 VOLT AC120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ SCHEMATIC WIRING DIAGRAM G9SCHEMATIC WIRING DIAGRAM G9-URN/CARAFE 2 WIREWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM G9A HD50 HZ SCHEMATIC WIRING DIAGRAM G9WD-RHWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM G9SCHEMATIC WIRING DIAGRAM G9 120 VOLTS AC 2WIRE SINGLE PHASE 60 HZWIRING DIAGRAMS 230 VOLTS AC 2 WIRE SINGLE PHASE 50 HZSCHEMATICWIRINGDIAGRAMG9-2AHD WIRING DIAGRAMS 120 VOLTS AC 2WIRE SINGLE PHASE 60 HZ FPGAWIRING DIAGRAMS 230 VOLTS AC 2WIRE SINGLE PHASE 50/60 HZFPG-2DBC, FPGB-2DBC 100 VOLTS AC 120 VOLTS AC 2WIRE SINGLE PHASEWIRING DIAGRAMS 60 HZ50 HZ FPG-2ADBC230 VOLTS AC SCHEMATIC WIRING DIAGRAM