Tech Sheet

FOR SERVICE TECHNICIAN’S USE ONLY
14
COMPONENT FROM TO VOLTAGE RESISTANCE NOTES
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, Diverter,
Upper
Main Board - J4-1 Main Board - J4-3 Continuity On top of diverter assembly,
next to grinder motor.
Switch M2, Diverter,
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 - F3 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 - F3 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 - J4-4 Continuity Located behind the hot water
dispenser tube.
Switch M6, Hot
Water Dispenser
Main Board - J4-3 Main Board - J4-5 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 = Innity, Switch
closed = < 3 ohms
NOTE: When each switch is activated, the control will beep (sound a tone).