For Service Technician Use Only
COMPONENT TESTING
3-12
n
JennAir Built-in Coffee System
Strip Circuits
Diverter Assembly
Group Infusion Motor
Group Infusion Motor Microswitches
Valve Assemblies
2-Way Valve
2-Way Valve (Hot Water)
GROUP
INFUSER
MOTOR
MAIN BOARD
62
FILTER
J1-3
J1-5
M
140 VDC *
Relay 1
Relay 2
* DC Voltage polarity reverses
to drive motor up & down.
GND *
BK
R
MAIN BOARD
J4-1
J5-1
J4-3
J5-2
SWITCH, M1
MAIN BOARD
SWITCH, M2
UPPER MICROSWITCH
(located on top of infuser ass’y )
LOWER MICROSWITCH
(located behind Infuser motor)
BL
BL
W
W
VDC
VDC
L1
MAIN BOARD
N
444k
ON/OFF SWITCH
ON/OFF
SWITCH
EV2 SWITCH
EV2
2-WAY VALVE
CHASSIS GND
L1
TERMINAL
BLOCK
J1-1
F5
NOTE:
2-way valve is grounded to the
generator support bracket or controls
cover.
BK
BK
BR
BL
BL
BL
L1
MAIN BOARD
N
444k
Ω
ON/OFF SWITCH
ON/OFF
SWITCH
EV3 SWITCH
EV3
2-WAY VALVE
CHASSIS GND
L1
TERMINAL
BLOCK
F10
F5
NOTE:
2-way valve is grounded to the
generator support bracket or controls
cover.
BK
BK
BR
BL
BL
BL