Bunn FMD-1 ユーザーガイド

SERVICE

This section provides procedures for testing and

replacing various major components used in this

dispenser should service become necessary. Refer

to Troubleshooting for assistance in determining

the cause of any problem.

WARNING - Inspection, testing, and repair of electrical

equipment should be performed only by quali-

fied service personnel. The dispenser should be

unplugged when servicing, except when electrical

tests are required and the test procedure specifi-

cally states to plug-in the dispenser.

COMPONENT ACCESS

WARNING - Disconnect the dispenser from the power

source before the removal of any panel or the

replacement of any component.

All components are accessible by opening the

door, removal of the door panels, dispenser top

covers, hopper(s), hopper support plate, splash

guard, splash panel w/drip tray, lower front access

panel and rear access cover.

Refer to the contents listing for component loca-

tion.

Contents

Auger Drive Components (FMD-1) ........................ 13

Auger Drive Components (FMD-2) ........................ 15

Ballast ................................................................... 18

Control Thermostat ............................................... 19

Control Board (FMD-2) ......................................... 20

Dispense Switch ................................................... 22

Fan ........................................................................ 24

Frother .................................................................. 25

Hopper Drive Board(FMD-1) ................................. 27

Increase/Decrease Switch (FMD-2) ....................... 28

Lamp Holder ......................................................... 29

Lamp .................................................................... 29

Lamp Starter and Socket ....................................... 30

Level Control Board and Level Probe (FMD-1) ...... 30

Limit Thermostat ................................................... 32

Rinse/Run Switch (FMD-1) ................................... 32

Rinse/Run Switch (FMD-2) ................................... 33

Solenoid (Cold Water - Optional FMD-2 Only)....... 34

Solenoid (Dispense) .............................................. 35

Solenoid (Inlet) ..................................................... 36

Tank Heater ........................................................... 37

Tank Heater Switch ............................................... 38

Transformer (FMD-2) ............................................ 39

Whipper Motor ...................................................... 26

Wiring Diagram ................................................ 40,41

FIG. 1 AUGER DRIVE COMPONENTS

Location

The auger components are located inside the

bottom part of the hopper except for the auger drive

bracket, spacer and retaing clip, which are located on

the outside rear of the hopper base. The auger motor is

located on the lower right rear of the motor mounting

panel. Refer to Fig. 2 for disassembly and assembly.

Test Procedures - Auger Motor

1. Disconnect the dispenser from the power

source.

2. Disconnect the white/red wire and the white wire

from the hopper speed control board.

3. Check the voltage across the white/red wire and

the white wire with a voltmeter. With the rinse/

run switch in the run (lower) position, connect

the dispenser to the power supply. The indication

must be:

a) 120 volts ac for two wire 120 volt models.

b) 120 volts ac for three wire 120/208 volt or

120/240 volt models.

c) 230 volts ac for two wire 230 volt models.

4. Disconnect the dispenser from the power sup-

ply.

If voltage is present as described, proceed to #5.

If voltage is not present as described, refer to the

wiring diagram and check the dispenser wiring har-

ness.

AUGER DRIVE COMPONENTS FMD-1

P1665

29112 091307