For Service Technician Use Only
COMPONENT TESTING
JennAir Built-in Coffee System
n
3-5
Main Board
L
L
L
L
N
F5
F7
F8
F9
J5
J2
J7
J8
J13
J6
J12
J4
J1
F4 F3 F2 F1
J8-Hall Sensor
J7-Flow Meter
J2-Water Level/
Tank Presence
J13-Display PCB
J4-Switches
J5-Switches
F7-Grinder Motor
J1-EV1, EV2, Switch,
Pump, Motor
F1-Grinder L1
F2-Switch M3, Drawer Microswitch
F5-AC In (Neutral)
F8-Steam Heater
J12-NTC, Steam Heater
F10-EV3
F3-AC In, L1
F4-Open
J11
F10
CONNECTOR PIN-OUTS
CONNECTOR J1
(Valves, M4 Switch, Pump, Motor)
J1-1
120 VAC, EV2 (2-Way Valve)
J1-2
120 VAC, EV1 (3-Way Valve)
J1-3
GND, Diverter Motor
J1-4
120 VAC, Pump
J1-5
140 VDC, Diverter Motor
J1-6
120 VAC, Switch M4, Service Dr
CONNECTOR J2
(Water Level/Tank Presence)
J2-1
Water Level/Tank Presence Input
J2-2
GND
CONNECTOR J4
(Switches, M1, M5, M6)
J4-1
Switch M1, Diverter Upper Pos.
J4-2
Not Used
J4-3
Switch M1, M5, M6 VDC
J4-4
Not Used
J4-5
Switch M5, Carafe Presence
J4-6
Not Used
J4-7
Switch M6, Hot Water Dispenser
CONNECTOR J5
(Switches, M2, M3, M4)
J5-1
Switch M2, Diverter Lower Pos.
J5-2
Switch M2, VDC
J5-3
Switch M3, Coffee Gr. Container
J5-4
Switch M4, Service Door
CONNECTOR J6
(NTC, Coffee Heater)
J6-1 VDC
J6-2
NTC Input
CONNECTOR J7
(Flow Meter)
J7-1
Signal (Max 5 VDC)
J7-2
GND
J7-3
+5 VDC
CONNECTOR J8
(Hall Sensor)
J8-1
+5 VDC
J8-2
Signal (Max 5 VDC)
J8-3
GND
