Repair
Electronic control board, wiring diagram - USA (UL, 120 V / 60 Hz)
1)Heat sink
2)Print for button "large cup" with LED
3)Print for button "small cup" with LED
4)Flow meter
5)NTC temperature sensor
6)
7)On/Off switch
8)
Service Manual EF 473 / EF 474
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Electronic Main Board | Print “large cup” | Print “small cup” | ||||
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| 3 |
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| 2 |
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| Flow meter |
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| 4 |
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| Thermoblock | ||
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| 5 |
| 6 |
| Pump | Neutral |
| NTC |
| T 167°C |
Heat | Line |
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Pump |
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| 8 |
| 1a | 2a |
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| 7 |
| On/Off switch | ||
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| T 128°C |
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| 1 | 2 |
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| Mains Plug |
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| L N | |
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| 24 |
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| Version 1.0 en |
