Bunn FMD-1 service manual WHI/RED to, RINSE/RUN Switch FMD-2

Page 32

SERVICE (cont.)

RINSE/RUN SWITCH - FMD-1 (CONT.)

2.Remove the facenut securing the run/rinse switch to the dispenser front panel.

3.Remove switch with wires attached from the back side of the front panel.

4.Disconnect the wires from the switch and dis- card the switch.

5.Refer to Fig. 30 when connecting wires to the new switch.

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

RED from Main

Wiring Harness

WHI/RED to

Main Harness

FIG. 30 RINSE/RUN SWITCH TERMINALS P1456

RINSE/RUN SWITCH - FMD-2

J1

 

1

 

J1

 

J2

 

J4

 

J3

 

FIG. 31 RINSE/RUN SWITCH

P1666

 

Location:

The rinse/run switch is located on the lower center of the whipper motor mounting panel.

Test Procedures:

1.Disconnect the dispenser from the power source.

2.Check for continuity between the center left ter- minal and left bottom terminal, also between the center right terminal and the right bottom termi- nal with the switch in the rinse position (upper). Check for continuity across the center left termi- nal and the top left terminal, also between center right terminal and the top right terminal with the switch in the run position (lower). Continuity must not be present when the switch is in the center position.

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 run/rinse 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 dis- card the switch.

5.Refer to Fig. 32 when connecting the wires to the new switch.

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

WHI/BRN to

GRY to Control

Main Harness

Board J2-2

 

GRN to Control

 

Board J2-9

BLK from

 

Main Harness

 

WHI/BRN to

 

Main Harness

YEL to Control

 

 

Board J2-3

P1644

FIG. 32 RINSE/RUN SWITCH TERMINALS

32

29112 101598

 

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Contents BUNNFMD-1 FMD-2 Warranty IntroductionUser Notices FMD-1 FMD-228368.0001 00656.0000FMD-1 only Initial 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 onlyDraining the HOT Water Tank Troubleshooting ProblemProduct will not dispense Probable CauseProbable Cause Remedy Problem Probable Cause Stat for testing procedures. SeeFMD-1 SeeProblem Probable Cause Remedy Refer to Service Lamp, see page 28 for lamp replacement Dispenser is making unusualService Component AccessContents Auger Drive Components FMD-1Retainer Clip Hopper Assembly Hopper LidSpacer Auger Motor Hopper Base Dust Seal Washer Retainer Clip Ing panelAuger Drive Components FMD-2 Auger Drive Components FMD-1To the rear of the auger motor mounting panel Hopper Hopper Assy Remove auger motor and discard Disconnect the wires from the auger motor 16 to be removedRemove dust seal 17 from auger motor Ballast FMD-1 & FMD-2 LocationControl Board FMD-2 only Thermostat TerminalsService Dispense Switch Dispense Switchs FMD-1 & FMD-2 Dispense Switch Terminals P1449 FAN FMD-1 & FMD-2FMD-2 Frother and Whipper Motor FMD-1 shown & FMD-2 Whipper Motor Terminals P1221Hopper Drive Board FMD-1 only Hopper Drive BoardHopper Drive Board FMD-1 only Hopper Drive Board TerminalsLamp Replacement Refer to Fig Door Assy Upper Panel Lamp Holders Lower PanelLamp Replacement Refer to As assemblyLamp Starter and Socket Refer to Location Level Control Board and Level Probe FMD-1 onlyReconnect the violet wire to terminal Level Control Board and Level Probe FMD-1 onlyRINSE/RUN Switch FMD-1 LocationBLK from Main Harness WHI/BRN to YEL to Control Board J2-3 RINSE/RUN Switch FMD-2WHI/RED to Solenoid Valve Cold Water OPTIONALFMD-2 only Cold Water Solenoid ValveFMD-1 Solenoid Valve Dispense FMD-1 & FMD-2 Solenoid Valve Inlet FMD-1 & FMD-2 Tank HeaterTank Heater FMD-1 shown & FMD-2 Main Harness ThermostatTransformer FMD-2 only WHI/GRN T7 WHI/BLK T12Schematic Wiring Diagram FMD-1 Single PhaseSchematic Wiring Diagram FMD-2
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FMD-2, FMD-1 specifications

The Bunn FMD-2 is an advanced coffee dispensing machine designed for high-traffic environments, such as cafés, restaurants, and convenience stores. This commercial coffee equipment stands out for its reliability, efficiency, and user-friendly features, making it a preferred choice among coffee retailers.

A standout feature of the FMD-2 is its dual coffee bean hopper system, which allows for the storage and dispensing of two different coffee blends simultaneously. This versatility provides establishments the opportunity to cater to varying customer preferences, whether they prefer a robust espresso or a smooth medium roast. The hoppers can hold a significant amount of coffee beans, ensuring that the machine can keep up with high demand without the need for frequent refilling.

The FMD-2 incorporates state-of-the-art brewing technology, including the ability to brew coffee quickly while preserving the essential flavor characteristics of the beans. Its precision brewing process ensures consistency in taste and quality, which is crucial for customer satisfaction in a commercial setting. The machine is equipped with adjustable brew times and temperatures, allowing operators to fine-tune the brewing process according to specific coffee styles or customer preferences.

Another notable characteristic of the Bunn FMD-2 is its digital interface, which features an intuitive touchscreen display. This modern interface simplifies the operation of the machine, enabling baristas and staff to quickly train and adapt to its functionalities. The display provides real-time feedback on brewing status, maintenance reminders, and settings adjustments, making it easier to ensure optimal performance and reduce downtime.

In addition to its user-friendly design, the Bunn FMD-2 is constructed for durability. Its stainless steel exterior not only enhances its aesthetic appeal but also ensures that it can withstand the rigors of daily use in a bustling environment. The machine is designed with easy maintenance in mind, allowing for straightforward cleaning and servicing to keep it operating at peak performance.

Overall, the Bunn FMD-2 is a versatile, reliable, and innovative coffee dispensing solution that meets the demands of today’s coffee enthusiasts. With its dual hopper system, precision brewing technology, and user-friendly interface, it’s an ideal choice for any establishment looking to elevate their coffee offerings and enhance customer experience.
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