27. | HW Dispense valve | “27: HWD VALVE” | Open VV. Open | Auto Continue if |
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| “MODULE: | HWDV. Verify | OK |
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| HWT <0.1 psi after 2 |
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28. | 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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29. | Done | “30: PASS, !!!!” | Power off | Stop |
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| “DONE” |
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Test 24 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 25 | |||
•The HWT
•All fill line components from the HWT through the CWP. Tested open in 22
• | All brew line components. | Not tested open |
Test 25 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 22 |
• | The inlet valve and high pressure tubing. (to 4 psi) | Tested open in 28 |
Some components are not tested. The functionality was tested by manufacturing.
•Float valve
•CWT and HWT drains open
•Dispense line from Dispense Valve to Mug
•TCOs opening and TCO sensors
•Conductive probes and power
•Inlet Valve
•
The coin IF loopback plug shorts the transmit to receive pin (RJ11 pins 3 and 4).
B3000 SERVICE MANUAL |
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