27. | Brew Tank | “27: BREW 12A?” | Heating Element on | Press Right Button |
| Heating Element | “MODULES: POWER, | for 3 seconds – | if OK, Center Right |
| power | HWT” | Verify 12A | to repeat |
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| R LED blinks |
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28. | Preheat Tank | “28: PRE 12A?” | Heating Element on | Press Right Button |
| Heating Element | “MODULES: POWER, | for 3 seconds – | if OK, Center Right |
| power | HWT” | Verify 12A | to repeat |
|
| R LED blinks |
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29. | Transmit and receive | “29: VEND I/F |
| Auto Continue if |
| a “1” and “0” | LOOPBACK” |
| OK |
| through the coin IF | “MODULE: |
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30. | Done | “30: PASS, !!!!” | Power off | Stop |
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| “DONE” |
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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 |
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• | 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
•
•The second CWP
The coin IF loop back plug shorts the transmit to receive pin (RJ11 pins 3 and 4).
B3000 SERVICE MANUAL |
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