Bunn dispenser User Manual
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.
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.
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.
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
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
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
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
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