Manuals / Bunn / Kitchen Appliance / Coffee Grinder

Bunn LPG-2, G9WD, G2 TRIFECTA, G9-2T DBC TROUBLESHOOTING cont, Problem, Probable Cause, Remedy

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

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Page 11

TROUBLESHOOTING (cont.)

Problem	Probable Cause	Remedy
Grinder will not start. (Continued)	5. Motor	Each motor is equipped with a
		temperature and current overload
		protection feature which will im-
		mediately shut off the motor when
		an overload has occurred. Check
		the grinder for obstructions. Refer
		to Service - Motor for testing pro-
		cedures.
	6. Relay	Refer to Service - Relay for testing
		procedures.
	7. Bag sensor or Cup Sensor	(A) The receiving bag must be placed
		on the tray screen and have the back
		of the bag behind the dispense chute
		to activate the sensor switch.
		(B) Refer to Service - Bag Sensor
		Switch for testing and adjustment
		procedures.
Grinder will not shut off.	1. Off/On/Start switch	(A) Place the switch in the “OFF”
		upper position.
		(B) Refer to Service - Off/On/Start
	2. Timer	Switch for testing procedures.
	2. Timer	Refer to Service - Timer for testing
		Refer to Service - Timer for testing
	3. Relay	procedures.
	3. Relay	Refer to Service - Relay for testing
		Refer to Service - Relay for testing
	4. Bag Sensor or Cup Sensor	procedures.
	4. Bag Sensor or Cup Sensor	(A) Remove bag from under the
		(A) Remove bag from under the
		dispense chute.
		(B) Refer to Service - Bag Sensor
		Switch for testing procedures.

11	41545 072710

Image 11

Bunn LPG-2, G9WD, G2 TRIFECTA, G9-2T DBC, FPG-2 service manual TROUBLESHOOTING cont, Problem, Probable Cause, Remedy

Contents

Includes MHG, FPG FPG-2, LPG-2,G1, G2, G3 BUNN-O-MATICCORPORATIONSERVICE & REPAIR MANUAL GRINDERSBUNN-O-MATICCOMMERCIAL PRODUCT WARRANTY CONTENTS ADJUSTMENTS RECOMMENDED DAILY CLEANINGCAPACITY CHART INTRODUCTIONDO NOT PLUG IN MUST BE COMPLETED BY AUTHORIZED SERVICE PERSONNELSEE INSTRUCTIONS BELOW BEFORE USING G9 WD - Packaging & Shim RemovalDispense Timer Off/On/Start SwitchHopper Selector Switch Batch Selector Switch OptionalModels LPG, LPG-2E OPERATING CONTROLS ContinuedModel G9 Models G1, G2, G3 & G2 trifectaModel G9-2TDBC Power ON/OFF Pad e 100V ModelsOPERATING CONTROLS Continued Model MHG PAD c Batch Selector SwitchOPERATING CONTROLS Continued Model FPG Model FPG-2DBCRemedy TROUBLESHOOTINGProblem Probable CauseRemedy TROUBLESHOOTING contProblem Probable CauseHoppers ProblemProbable Cause RemedyTROUBLESHOOTING cont PROBLEMPROBABLE CAUSE REMEDYP602 SERVICEComponent Access Component LocationsCUP SENSOR SWITCH MODEL G2 TRIFECTA SERVICE ContBAG SENSOR SWITCH Models G1, G2, G3 or SERVICE Cont AC MOTOR AND GRIND CHAMBERSERVICE Cont AC MOTOR AND GRIND CHAMBER contFIG. 5 GRIND CHAMBER COMPONENTS SERVICE ContAC MOTOR AND GRIND CHAMBER cont Location SERVICE ContSERVICE Cont DC MOTOR AND GRIND CHAMBER - G1MD ONLY contDC MOTOR AND GRIND CHAMBER - G1MD ONLY cont SERVICE Cont12.Slide burr auger rotor/spring assembly and burr SERVICE Cont MOTOR Models LPG & FPG11.Lay motor on it’s side SERVICE ContMOTOR Models LPG & FPG MOTOR Models LPG & FPG SERVICE Cont21.Discard old motor and housing assembly SERVICE Cont DECHAFFER Models LPG & FPGFIG. 16 MOTOR WIRING MOTOR Models G9, G9-2,MHGFIG. 15 MOTOR SERVICE ContSERVICE Cont FIG. 17 MOTOR AND GRIND CHAMBERReplace if excessively worn or damaged NOTE Burrs must be replaced as a setSERVICE Cont SNUBBER Models G9, G9-2,MHGSERVICE Cont Grinder Scale Model G9WD only CALIBRATIONLEVEL 2 FUNCTIONS FIG. 20 CAPACITOR Capacitor Model LPG onlySERVICE Cont SERVICE Cont Circuit Breaker Models LPG, LPG-2E,FPG, FPG-2DBCSERVICE Cont Hopper Selector Switch Model LPG-2EonlySERVICE Cont Hopper Selector Switch Model G9-2onlyFIG 28 OFF/ON/START SWITCH SERVICE ContSERVICE Cont Urn/Carafe Switch Models G9, G9-2SERVICE Cont Batch Selector Switch Model FPGFIG 34 POTENTIOMETERS Potentiometer Model FPGSERVICE Cont SERVICE Cont Rectifier Models G1 MD, FPG-2DBCSERVICE Cont Relay Early Model G-9SERVICE Cont Relay Models G1, G2, G3, G2 trifectaSERVICE Cont RELAY contLocation SERVICE ContReplace if excessively worn or damaged SERVICE ContReplace if excessively worn or damaged Hopper Slide Plates Models MHGSERVICE Cont wires, and proceed to #7 SERVICE ContSERVICE Cont Timer Model LPG-2ETimer Model LPG-2E Timer Models LPG, FPGSERVICE Cont SERVICE Cont Timer Model G9FIG 52 TIMER Timer Model G9-2Digital Timer Analog TimerSERVICE Cont Control Board Model MHGSERVICE Cont FIG 55 CONTROL BOARDSERVICE Cont Membrane Switches Model MHG onlySERVICE Cont FIG 58 MEMBRANE SWITCHSERVICE Cont EMI Filter Models FPG & FPG-2SERVICE Cont Funnel Sensing Coil Models MHG & G9-2DBCGRN WHI RED BLK Memory Clock Board Model MHGSERVICE Cont MEMORY BOARDSERVICE Cont Display Board Model MHGTRIAC MAP for MHG TRIAC MAP for FPG-2DBC and G9-2DBC G9-2DBC, G9-2TDBC W/SMART FUNNEL SCHEMATIC WIRING DIAGRAMWIRING DIAGRAMS 2WIRE SINGLE PHASE 50/60 HZG9-2DBC, G9-2TDBC W/SMART FUNNEL SCHEMATIC WIRING DIAGRAMWIRING DIAGRAMS 2WIRE SINGLE PHASE 50/60 HZWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM G9-2TBDBC W/SMART FUNNEL100 VOLTS AC 2WIRE SINGLE PHASE 50 HZ WIRING DIAGRAMS 2WIRE SINGLE PHASE50/60 HZ SCHEMATIC WIRING DIAGRAM MHG100 VOLTS AC, 120 VOLTS AC 240 VOLTS AC SCHEMATIC WIRING DIAGRAM MHG with WD CBAWIRING DIAGRAMS 2 WIRE + Gnd SINGLE PHASE, 50/60HZ100 VOLTS AC 120 VOLTS AC 2 WIRE SINGLE PHASE SCHEMATIC WIRING DIAGRAMLPG-2E, LPGB-2E WIRING DIAGRAMSWIRING DIAGRAMS 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM LPG230 VOLTS AC 2 WIRE SINGLE PHASE 50/60 HZ LPG-AWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAMLPG W/Capacitor 100 VOLTS AC 2 WIRE SINGLE PHASE 50-60HZ WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM LPG-B100 VOLT AC 120 VOLT AC 230 VOLT AC 240 VOLT AC WIRING DIAGRAMSSCHEMATIC WIRING DIAGRAM G1, G2, G3 & G2 trifecta 2 WIRE + GRD SINGLE PHASE 50/60 HZ2 WIRE SCHEMATIC WIRING DIAGRAM G9SCHEMATIC WIRING DIAGRAM G9-URN/CARAFE 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZSCHEMATIC WIRING DIAGRAM G9WD-RH SCHEMATIC WIRING DIAGRAM G9A HD50 HZ WIRING DIAGRAMS120 VOLTS AC 2WIRE SINGLE PHASE 60 HZ SCHEMATIC WIRING DIAGRAM G9SCHEMATIC WIRING DIAGRAM G9 WIRING DIAGRAMSWIRING DIAGRAMS 230 VOLTS AC 2 WIRE SINGLE PHASE 50 HZSCHEMATICWIRINGDIAGRAMG9-2AHD WIRING DIAGRAMS 230 VOLTS AC 2WIRE SINGLE PHASE 50/60 HZ FPGAWIRING DIAGRAMS 120 VOLTS AC 2WIRE SINGLE PHASE 60 HZ60 HZ 100 VOLTS AC 120 VOLTS AC 2WIRE SINGLE PHASEWIRING DIAGRAMS FPG-2DBC, FPGB-2DBCSCHEMATIC WIRING DIAGRAM FPG-2ADBC230 VOLTS AC 50 HZ