Bunn FMD-5, FMD-4 manual Lamp Starter and Socket

Page 40

SERVICE (cont.)

LAMP STARTER and SOCKET

Location:

The lamp starter (6) is located inside the door assy (1) on the top of the door lower panel (5).

Test Procedures:

1.Disconnect the dispenser from the power source.

2.Disconnect the starter leads from the door wiring harness.

3.Remove lamp starter from starter socket.

4.Check for continuity on each lead of the starter socket.

If continuity is present as described the starter socket is operating properly.

If continuity is not present as described replace the starter socket.

6.Remove starter (6) from starter socket.

7.Check for continuity across the pins on the bottom of the starter (6).

If continuity is present as described, replace the starter.

If continuity is not present as described, starter is operating properly.

Note: If continuity tests are both as described and lamp does not light, replace the starter.

Removal and Replacement (Refer to Fig. 33):

1.Open dispenser door assy (1)

2.Remove the five #6-32 screws securing the door lower panel (5) to the door assy (1).

3.Disconnect the leads on the starter socket from the door wiring harness.

4.Remove lower door panel (5) and starter w/socket

(6) as assembly.

5.Compress the spring tabs on the socket and remove socket from the door bottom cover (5).

6.Rotate starter 90° and remove from the starter socket.

7.Insert new starter (6) into socket and turn 90° until the pins snap in place.

8.Install new socket by compressing spring tabs on the socket and pushing the socket up through the hole in the lower door panel (5) and releasing spring tabs.

9.Connect the sockets leads to the door wiring har- ness.

10.Install door lower panel (5) with starter and starter socket on door assy (1) using five #6-32 screws.

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Contents FMD Series Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty Excluding regular maintenance itemsIntroduction Cleaning Required Regular Maintenance Problem Probable Cause Problem Product will not dispenseLevel Control Board and Probe FMD-1 RemedyProblem Probable Cause Remedy Troubleshooting Product overflows container Dispense Switch Install a regulator if necessary toExcess dust Fan Refer to Service Procedures. See42672 Component Access 20,23SERVICEcont Access PanelsTest Procedures Auger Motor Service Auger Drive Components all ModelsLocation Service Auger Drive ComponentsSpacer Auger Motor Hopper Base Dust Seal Washer Retainer Clip Panel RED to Control BoardRemove auger drive shaft bushing from hopper Rinse and dry each item thoroughlyBushing Panel Auger Drive Shaft Locknut Auger Motor BracketAuxillary Control Board FMD DBC-3 only Service Auxillary Control Board Disconnect the dispenser from the power sourceService Ballast all ModelsTest Procedure Power Supply Control BoardCheck that the RINSE/RUN switch is in the Rinse position Hopper Motor Control CircuitryUsing four #6-32 keps nuts Connectors on the control boardControl Board Control board to the component bracketControl Board Check that the rinse/run switch is in the run posi- tion Control Board Connectors Location Remove temperature probe from the tankRemove bulb from the tank BLK to Main Control ThermostatWHI to Main If voltage is present as described, proceed to #6 Open the dispenser door and remove the bottom door coverIf voltage is present as described, proceed to #7 FMD DBC-3 Digital Touch Control Switch FMD DBC-2,DBC-3FMD DBC-2FD Digital Touch Control Switch ConnectorsEMI Filter 230 Volt FMD DBC-3 EMI FilterDisconnect the black and white wires from the fan terminals Test ProceduresVacuum FAN all Models Frother and Whipper Motor all Models except -2FD Frother and Whipper MotorFrother and Whipper Motor Will seat inside the whipper chamberHopper Drive Board FMD-1 only Hopper Drive BoardHopper Drive Board Terminals HOT/COLD Switch Optional for FMD DBC-3 Disconnect the wires from the switch terminalsTerminals Lamp Holder all Models Door Assy Upper Panel Lamp Holders Lower PanelLamp Starter and Socket Reconnect the violet wire to terminal Level Control Board and Level Probe FMD-1 onlyLevel Board Terminals Limit Thermostat all Models Limit ThermostatOverflow Protection Switch Rinse /RUN Switch all Models RINSE/RUN SwitchSolenoid Valve Cold Water Optional for FMD-2,-3,-4,-5 Cold Water Solenoid TerminalsSolenoid Valves Dispense all Models Dispense Solenoid Valves P1637.40 LocationHOT Water Dispense Solenoid Valve FMD-2FD,DBC-2FD,-3,DBC-3 Solenoid ValveSolenoid Valve Inlet all Models Inlet Solenoid ValveWHI or RED to Main BLK to Limit Wiring Harness Tank Heater all ModelsTank Heater Relay FMD-4,-5,120V Dispensers only BRN/BLK from WHI from Main HarnessTank Heater Switch all Models Tank Heater SwitchTransformer all Models Disconnected from the main wiring harnessRemove and discard the transformer Q1 & MOV1 Controls Left Whipper Motor Q2 & MOV3 Controls Center Whipper MotorQ5 & MOV4 Controls Right Whipper Motor Q7 & MOV2 Controls Refill ValveSchematic Wiring Diagram FMD-1 BLKSchematic Wiring Diagram FMD-1A WHI-16Schematic Wiring Diagram FMD-2 Schematic Wiring Diagram FMD-2A Schematic Wiring Diagram FMD DBC-2 Freeze Dried W/HOT Water Schematic Wiring Diagram FMD-2FD 42672 42672 42672 42672 Schematic Wiring Diagram FMD DBC-3 With HOT Water Dispense Schematic Wiring Diagram Fmda DBC-3 With HOT Water Dispense 42672 42672 42672 42672 Schematic Wiring Diagram FMD-5A
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FMD-4, FMD-5 specifications

The Bunn FMD-5 is a state-of-the-art coffee dispenser designed specifically for high-volume coffee brewing situations. This machine is ideal for restaurants, convenience stores, and other establishments that require an efficient and reliable coffee dispensing solution.

One of the primary features of the Bunn FMD-5 is its ability to brew and serve fresh, hot coffee with exceptional speed. The unit is capable of dispensing up to five gallons of coffee per hour, making it an ideal choice for busy environments where customer demand is high. The system utilizes a digital brewer control that allows for precise brewing temperatures and times, ensuring consistency in flavor and quality.

The FMD-5 also incorporates advanced technologies to streamline the brewing process. It features a programmable control panel that allows users to adjust settings based on their specific needs. This includes the ability to set brew cycles, control brew levels, and even program different brew strengths. The easy-to-read digital display shows real-time information, making it simple for operators to monitor the brewing process.

Another notable characteristic of the Bunn FMD-5 is its compact and space-saving design. Despite its robust brewing capacity, the unit is designed to fit easily in various retail and foodservice environments. The machine is also built with durable materials, ensuring longevity and reliability under heavy usage.

For maintenance, the FMD-5 is designed with user convenience in mind. It features removable components and accessible areas for easy cleaning and routine maintenance. Users can also benefit from preventative maintenance features that monitor the machine’s performance, alerting operators to any potential issues before they escalate.

In terms of versatility, the Bunn FMD-5 can accommodate different brewing systems and coffee types, allowing users to customize their offerings based on customer preferences. It supports pre-ground coffee and can also be adapted for different brewing styles, enhancing its usability in various coffee service environments.

Overall, the Bunn FMD-5 is an impressive combination of speed, efficiency, and flexibility, making it an excellent choice for any operation that demands high-quality coffee with minimal wait time. Whether you are serving a morning rush of customers or maintaining a steady stream of coffee through the day, the Bunn FMD-5 stands out as a reliable and efficient coffee dispensing solution.
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