13
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 electri-
cal equipment should be performed only by qualified
service personnel. The dispenser should be unplugged
when servicing, except when electrical tests are re-
quired and the test procedure specifically states to
plug-in the dispenser.
COMPONENT ACCESS
WARNING
- Disconnect the dispenser from the power
source before the removal of any panel or the replace-
ment 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-4) ........................ 13
Auger Drive Components (FMD-5) ........................ 15
Ballast ................................................................... 18
Control Thermostat ............................................... 19
Control Board ........................................................ 20
Dispense Switch ................................................... 23
Fan ........................................................................ 25
Frother .................................................................. 26
Increase/Decrease Switch ..................................... 28
Lamp Holder ......................................................... 29
Lamp .................................................................... 29
Lamp Starter and Socket ....................................... 30
Limit Thermostat ................................................... 31
Rinse/Run Switch ................................................. 32
Hot/Cold Switch-Optional ...................................... 33
Solenoid (Cold Water - Optional) .......................... 34
Solenoid (Dispense) .............................................. 35
Solenoid (Inlet) ..................................................... 37
Tank Heater ........................................................... 38
Tank Heater Switch ............................................... 39
Tank Heater Relay ................................................. 40
Transformer .......................................................... 41
Whipper Motor ...................................................... 27
Wiring Diagram ................................................42-45
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 retaining 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 wire120/208 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 harness.
AUGER DRIVE COMPONENTS FMD-4
P2635
35135 100407
Summary of Contents for FMD-4
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