Keurig B3000 User Manual

B3000 SERVICE MANUAL

60-200807-000, REV C

27. Brew Tank

Heating Element
power

“27:

BREW 12A?”

“MODULES:

POWER,

HWT”
R LED blinks

Heating Element on
for 3 seconds –
Verify 12A

Press Right Button
if OK, Center Right
to repeat

28. Preheat

Tank

Heating Element
power

“28:

PRE 12A?”

“MODULES:

POWER,

HWT”
R LED blinks

Heating Element on
for 3 seconds –
Verify 12A

Press Right Button
if OK, Center Right
to repeat

29. Transmit and receive

a “1” and “0”
through the coin IF

“29:

VEND

I/F

LOOPBACK”
“MODULE:

M-PCB,

PWR-PANEL”

Auto Continue if
OK

30. Done

“30:

PASS,

!!!!”

“DONE”

Power off

Stop

Test 20 pressurizes the entire hot water part of the brewer, thus checking for leaks in:

• All vent line components from the tank through the VV. Tested open in 19
• The HWT

• All fill line components from the HWT through the CWP. Tested open in 21

• All brew line components.

Not tested open

Test 21 pressurizes the cold water part of the brewer, thus checking for leaks in:

• The vent line from the CWT to the bin.

Not tested open

• The CWT

• The tube from the CWT to the CWP.

Tested open in 18

• The inlet valve and high pressure tubing. (to 4 psi)

Not tested open

Some components are not tested:

• Float valve

• CWT and HWT drains open
• Dispense line from Dispense Valve to Mug

• Thermostats opening and Thermostat sensors seeing opens

• Conductive probes and power
• Inlet Valve

• Hi-Pot

• The second CWP

The coin IF loop back plug shorts the transmit to receive pin (RJ11 pins 3 and 4).