Jenn-Air W11356996, Руководство по обслуживанию

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For Service Technician Use Only
COMPONENT TESTING
3-10
n
JennAir Built-in Coffee System
Component Testing Chart (Continued)
COMPONENT FROM TO VOLTAGE RESISTANCE NOTES
Power In (Main
Board)
Main Board - F3
(L1)
Main Board - F5
(N)
120 VAC N/A Main Board AC in
Power In (LED
Fan PCB) LED Fan - F1 (L1) LED Fan - F2 (N) 120 VAC N/A LED Fan PCB AC in
Pump L1 Junction Block Main Board -
J1-4
120 VAC 6.2 ohms Note polarity - Positive side
is connected to J1-4. If meter
leads are reversed, the coil
will show open.
NTC, Coffee Main Board - J6 Main Board - J6 90K ohms Room Temperature
NTC, Steamer Main Board - J12 Main Board - J12 112K ohms Room Temperature
Water Level Sensor Main Board - J2 Main Board - J2 Continuity Reed switch located at
bottom of water tank. This is
in series with the Water Tank
Switch.
Switch M1, Group
Infusion,Upper
Main Board - J4-1 Main Board -
J4-3
Continuity On top of diverter assembly,
next to grinder motor.
Switch M2, Group
Infusion, Lower
Main Board - J5-1 Main Board -
J5-2
Continuity Located behind the drive
motor for diverter.
Switch M3, Coffee
Grounds Container
Main Board - J5-3 Main Board - F2 Continuity Coffee grounds container
removed = open circuit,
if container installed =
continuity 3-wire switch
located behind main board.
Switch M4, Service
Door
Main Board - J1-6 Main Board - F7 Continuity *Service door closed =
continuity, door open = open
circuit. 3-wire switch located
behind main board.
Switch M5, Carafe
Presence
Main Board - J4-3 Main Board -
J4-5
Continuity Located behind the hot water
dispenser tube.
Switch M6, Hot Water
Dispenser
Main Board - J4-3 Main Board -
J4-7
Continuity Located behind the hot water
dispenser tube.
Switch M7, Water
Tank
Main Board - J2-1 Main Board -
J2-2
Continuity This switch is located above
the water tank at rear of
coffee system. This switch is
in series with the Water Level
Sensor.
Switch M8, Standby
(Momentary)
Display/UI PCB Display/UI PCB Continuity* *Reads continuity only when
switch is depressed.
Switch, Power Switch-pin 1 Switch - pin 0 Continuity Switch Open = Infinity,
Switch closed = < 3 ohms
NOTE: When each switch is activated, the control will beep (sound a tone).