Bunn FMD-3 Door Assy Upper Panel Lamp Holders Lower Panel, Lamp Replacement Refer to Fig

Page 23

SERVICE (cont.)

LAMP HOLDER

 

1

 

 

 

3

5

 

4

2

 

 

6

 

 

 

FIG. 17 LAMP HOLDERS

P1454.70

 

 

1.

Door Assy

4.

Upper Panel

2.

Lamp Holders

5.

Lower Panel

3.

Lamp

6.

Starter W/Socket

Location:

The lamp holders are located on the front of the upper panel behind the display panel.

Test Procedure:

1.Disconnect the dispenser from the power source.

2.Remove upper door panel (4) and disconnect the door wiring harness from the leads on the lamp holders.

3.Remove lamp from lamp holders.

4.Check for continuity on each lead of the lamp holders.

If continuity is present as described, lamp holders are operating properly.

If continuity is not present as described replace the lamp holder.

Removal and Replacement:

1.Open dispenser door (1).

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

3.Disconnect the door wiring harness from the door interconnect wiring harness.

4.Remove five #6-32 screws securing the upper door panel (4) to the door.

5.Remove the upper door cover (4), lamp (3), lamp holders (2) and door wiring harness as an assem- bly.

6.Disconnect the wires from the lamp holder to be replaced from the door wiring harness.

7.Rotate lamp (3) 90° and remove from lamp hold- ers (2).

8.Remove the #6-32 screw securing the lamp holder

(2)to be removed, remove lamp holder (2) and discard.

9.Install new lamp holder (2) and secure with a #6- 32 screw.

10.Connect the wires on the new lamp holder to the door wiring harness.

11.Install lamp (3) into lamp holders (2) and turn 90° until the pins snap in place.

12.Install upper door panel (4), lamp (3), lamp hold- ers (2) and door wiring harness as a assembly using five #6-32 screws.

13.Reconnect the plug on the door wiring harness to the connector on the door interconnect wiring harness.

14.Install the door lower panel (5) using five #6-32 screws.

LAMP REPLACEMENT (Refer to Fig. 17)

1.Remove the outside window and display graphic.

2.Remove the two #4-40 screws securing the inside window to the door and remove window.

3.Rotate lamp (3) 90° and remove from the lamp holders (2).

4.Insert new lamp (3) into lamp holders (2) and turn 90° until the pins snap in place.

5.Using two #4-40 screws secure the inside window to the door.

6.Install outside window and slide display graphic down between the inside window and the outside window.

23

28364 011598

 

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Contents Phone 217 529-6601 FAX 217 Post Office BOX SPRINGFIELD, IllinoisFMD-2 FMD-3 BUNN-O-MATIC Commercial Product WarrantyFMD-2 00656.0000 00831.000028368.0000 26536.0002Initial SET-UP Plumbing HOOK-UP Initial Fill & HeatDraining the HOT Water Tank Remedy Problem Probable CauseStat for testing procedures. See TroubleshootingReplacement Control thermostat Cold Product overflows container Dispense switchDripping from dispense tip Lime build-up LeaksProbable Cause Remedy ProblemDisplay not lit Lamp Lamp Holder Starter Lamp Ballast Refer to Service Lamp, see page 23 for lamp replacementDispenser is making unusual Noises Water Supply Tank Heater Excess dust FanAuger Drive Components Component AccessContents Auger Drive Shaft Optional Bushing Ejector Elbow Hopper Lid Auger Wire Agitator Disc AssyIf voltage is present as described, proceed to #5 Off of the auger drive shaftRemove dust seal 18 from auger motor Auger Drive ComponentsHarness BLK to BLU From Door Interconnect Refer to when reconnecting the wiresBallast Control Thermostat Remove temperature probe from the tankLocation Dispense SwitchControl Thermostat Location Dispense SwitchFAN Washer Ring Nut Frother FANFrother and Whipper Motor Steam Collector Ring Mixing Chamber #8-32 Acorn NutFrother and Whipper Motor Whipper Motor Terminals P1451.40 Hopper Delay BoardDisconnect the wires from the switch termi- nals HOT/COLD Switch OptionalRemove the outside window and display graphic Lamp Replacement Refer to FigLamp Holder Door Assy Upper Panel Lamp Holders Lower PanelLevel Control Board and Level Probe As assemblyLamp Starter and Socket Level Control Board and Level Probe Limit Thermostat Limit ThermostatBoard Overflow Protection SwitchFrom Main Harness 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 Main Wiring Thermostat HarnessTank Heater Switch Tank Heater Switch Terminals Tank Heater SwitchSchematic Wiring Diagram FMD-1, FMD-2, & FMD-3 Schematic Wiring Diagram FMDA-1, FMDA-2, & FMDA-3