Keurig B3000 manual 90

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