Keurig B3000 User Manual
B3000 SERVICE MANUAL
60-200807-000, REV C
90
14. K-Cup
Sensor
(blocked)
“14: OPEN KCUP”
“MODULE:
“MODULE:
BR-HEAD”
Raise the handle
15. K-Cup Sensor
(unblocked)
“15: CLOSE KCUP”
“MODULE:
“MODULE:
BR-HEAD”
Done by opening the
door. Ejection blocks
sensor!!
door. Ejection blocks
sensor!!
Lower the handle
16. 120 Hz Clock (60
Hz Power)
“16:
120 HZ CLOCK”
“MODULE:
M-PCB”
Auto Cont. if OK
17. PT Sanity check
“17: LOW PRESSURE
CHECK”
“MODULE:
CHECK”
“MODULE:
CTRL-
PCB”
Ambient pressure
<0.25
<0.25
Auto Cont. if OK
18. Initial
Air
Pressurization with
Water Pump,
Pressure transducer
Water Pump,
Pressure transducer
“18:
CW
PUMP.
CLAMP&PSI-M”
“MODULE:
CWP,
C-
PCB,
LEAK”
R LED blinks
CWP on for 2
seconds. Verify
>0.25 psi
seconds. Verify
>0.25 psi
Clamp CWT vent
tube, add pressure
gauge. Press Right
Button when ready.
tube, add pressure
gauge. Press Right
Button when ready.
19. Vent
Valve
opening
under low pressure
“19:
VV
OPEN
LO-PSI”
“MODULE:
CWT”
Vent Valve open for
2 seconds – Verify
<0.1 psi
2 seconds – Verify
<0.1 psi
Auto Continue if
OK
OK
20. Full HWT air
Pressurization with
Brew Pump.
Pressure transducer
calibration
Brew Pump.
Pressure transducer
calibration
“20:
BREW
PUMP
7PSI?”
“MODULE:
HWT,
LEAKS”
Runs Brew Pump
until 7 psi. Checks
pressure drop below
.21 psi (7 psi - 3%)
over 5s. If pass,
until 7 psi. Checks
pressure drop below
.21 psi (7 psi - 3%)
over 5s. If pass,
Auto Continue if
OK
OK
21. Half
CWT
Pressurization by
sharing;
Vent Tubes
Vent Valve opening
under full over
pressure
sharing;
Vent Tubes
Vent Valve opening
under full over
pressure
“21:
VV
OPEN
HI-PSI”
“MODULE:
CWT”
Opens VV.
(tanks equalize)
Wait 5 seconds –
check for pressure 2-
5 psi.
(tanks equalize)
Wait 5 seconds –
check for pressure 2-
5 psi.
Auto Continue if
OK
OK
22. CWT,
Vent
Tubes
Leaks
“22:
CWT
LEAK”
“MODULE:
CWT,
LEAKS”
Checks pressure drop
below .21 psi (4 psi -
5%) over 5 seconds
below .21 psi (4 psi -
5%) over 5 seconds
Auto Continue if
OK
OK
23. HW
Dispense
valve “23:
HWD
VALVE”
“MODULE:
BR-HEAD”
Open VV. Open
HWDV. Verify
HWT <0.1 psi after 2
seconds
HWDV. Verify
HWT <0.1 psi after 2
seconds
Auto Continue if
OK
OK
24. Brew
tank
Thermistor @
ambient temperature
ambient temperature
“24:
BREW TEMP”
“MODULE:
HWT”
Auto Cont. if OK
25. Pre-heat tank
Thermistor @
ambient temperature
ambient temperature
“25:
PREHEAT TEMP”
”
MODULE:
HWT”
Auto Cont. if OK
26. Heaters off
“26: HEATER LOW
AMP?”
“MODULE:
AMP?”
“MODULE:
POWER”
R LED blinks
Press
Right
Button
if less than 1 amp