Bunn Comprehensive FMD-3 Manual for Operating and Service Instructions

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BUNN® FMD-2 FMD-3

(prior to S/N FMD0013000)

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OPERATING & SERVICE MANUAL

BUNN-O-MATIC CORPORATION

POST OFFICE BOX 3227

SPRINGFIELD, ILLINOIS 62708-3227

PHONE: (217) 529-6601 FAX: (217) 529-6644

www.bunnomatic.com

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Contents Phone 217 529-6601 FAX 217 Post Office BOX SPRINGFIELD, IllinoisFMD-2 FMD-3 BUNN-O-MATIC Commercial Product Warranty28368.0000 00656.0000 00831.000026536.0002 FMD-2Initial SET-UP Plumbing HOOK-UP Initial Fill & HeatDraining the HOT Water Tank Remedy Problem Probable CauseReplacement Control thermostat TroubleshootingStat for testing procedures. See Dripping from dispense tip Lime build-up Product overflows container Dispense switchLeaks ColdProbable Cause Remedy ProblemDispenser is making unusual Refer to Service Lamp, see page 23 for lamp replacementNoises Water Supply Tank Heater Excess dust Fan Display not lit Lamp Lamp Holder Starter Lamp BallastContents Component AccessAuger Drive Components If voltage is present as described, proceed to #5 Hopper Lid Auger Wire Agitator Disc AssyOff of the auger drive shaft Auger Drive Shaft Optional Bushing Ejector ElbowRemove dust seal 18 from auger motor Auger Drive ComponentsBallast Refer to when reconnecting the wiresHarness BLK to BLU From Door Interconnect Control Thermostat Remove temperature probe from the tankControl Thermostat Dispense SwitchLocation FAN Dispense SwitchLocation Frother and Whipper Motor FANSteam Collector Ring Mixing Chamber #8-32 Acorn Nut Washer Ring Nut FrotherFrother and Whipper Motor Whipper Motor Terminals P1451.40 Hopper Delay BoardDisconnect the wires from the switch termi- nals HOT/COLD Switch OptionalLamp Holder Lamp Replacement Refer to FigDoor Assy Upper Panel Lamp Holders Lower Panel Remove the outside window and display graphicLamp Starter and Socket As assemblyLevel Control Board and Level Probe Level Control Board and Level Probe Limit Thermostat Limit ThermostatFrom Main Harness Overflow Protection SwitchBoard RINSE/RUN Switch Rinse /RUN SwitchCold Water Solenoid Valve Solenoid Valve Cold Water OptionalSolenoid Valves Dispense Cold Water Solenoid TerminalsSolenoid Valve Inlet Solenoid Valves DispenseTank Heater Solenoid Valve InletTank Heater Switch Main Wiring Thermostat HarnessTank Heater Tank Heater Switch Terminals Tank Heater SwitchSchematic Wiring Diagram FMD-1, FMD-2, & FMD-3 Schematic Wiring Diagram FMDA-1, FMDA-2, & FMDA-3