Jenn-Air JBC7624BS Technical Education page 74

DIAGNOSTICS & TROUBLESHOOTING
Strip Circuits
PLUMBING CIRCUIT
PUMP
Pump
L1
L1
TERMINAL
BLOCK
BK
BK
ON/OFF
SWITCH
WATER FLOW / SWITCHES
Water Flow / Switches
COFFEE GRINDER
GRINDER
Grinder Motor
L1
L1
TERMINAL
BLOCK
BK BK
ON/OFF
SWITCH
5-16 Jenn-Air Built-in Coffee System
n
For Service Technician Use Only
* PUMP POLARITY: Positive side is
MAIN
connected to J1-4. If meter leads
BOARD
are reversed the coil will show open.
BR
BK
F4 F1
WATER LEVEL /
J2-1
TANK PRESENCE
J7-1
FLOW SIGNAL
J7-2
GND
J7-3
+5 VDC
MAIN BOARD
MAIN
BOARD
BK BK
F4
F2
P
BR BR
J1-4
6.2
PTC
WATER LEVEL TANK
SENSOR SWITCH, M7
w w
F FLOW
METER
GRINDER
MOTOR
M
BK R
FUSE
13.1
MAIN BOARD
F5
PUMP
SWITCH
w
J2-2
GND
MAIN BOARD
MAIN BOARD
F7
F5
TRIAC
N
W W
ON/OFF
SWITCH
N
W
W
ON/OFF
SWITCH