B3000 SERVICE MANUAL
60-200807-000, REV C 91
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).
