Service – Bunn dispenser User Manual
Page 12
12
SERVICE
This section provides procedures for testing and
replacing various major components used in this dis-
penser 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 qualified ser-
vice 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 panel, removal of the dispenser
rear panel, hopper, hopper support plate and top wrap-
around cover. Refer to Fig. 1
Contents
Auger Drive Components ...................................... 13
Auger Motor ......................................................... 14
Frother and Mixing/Whipper Chamber .................. 15
Whipper Motor ..................................................... 16
Control Board and Level Probes ........................... 18
TEST/SERVICE Switch .......................................... 21
Main Power ON/OFF Switch .................................. 22
Door Panel Assembly
Lamp Cord Assembly ..................................... 23
Lamp Cord Connector..................................... 24
Lamp Holder/Socket ....................................... 25
Transformer .......................................................... 26
Potentiometer ....................................................... 27
Hopper Level Indicator ......................................... 28
Hopper Switch ...................................................... 29
Door Switch .......................................................... 30
Pressure Regulator and Needle Valve ................... 31
Dispense Solenoid ................................................ 32
Wiring Diagrams ................................................... 33
P1891
FIG. 1 COMPONENT LOCATIONS
29793.1 021202