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Schematics HD7871/60 / HD7871/61 UI PCBA Water level On/Off button sensor 1-cup button 2-cup button Toggle button Communi cation On/Off LED Water 1-cup LED Supply Boiler 2-cup LED System Toggle LED PCBA Fuse Regular LED Strong LED Pump M Memory LED Descale LED Fuse Buzzer...
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Disassembly- and Reassembly advice HD7871/60 / HD7871/61 To remove the brewhead assembly: • Remove the back cover. • Now use the screwdriver to trace around the edge of the tray panel assembly and base plate until you reach • Remove the boiler, or simply lay it aside. the position of the drip tray.
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Repair instruction HD7871/60 / HD7871/61 Please note, as the appliance is equipped with a capacitive touch panel as a user interface, special 2-cup button attention is required to be able to enter several service modes. The capacitive buttons need 0,5 seconds to initialize after the mains is connected.
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Repair instruction HD7871/60 / HD7871/61 Boiler reset: ME/HE selection Boiler-reset-step 0 Entry to boiler reset mode: 1. Connect mains; In this appliance ME (Mid-End) should be selected; 2. After 0.5 second and before 1.5 second operate the Strong LED off . 1-cup button.
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Repair instruction HD7871/60 / HD7871/61 Sensor and LED test Volume adjustment To validate the assembly and electrical correctness of an The PCB circuit board makes it possible to adjust the appliance, especially during testing and debugging phase, volume output by means of pushing the one-cup and a sensor and LED test is very useful.
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Parts list HD7871/60 / HD7871/61 Service code Description Remark 4222 259 44211 Padholder assy 1 Deep black 4222 259 44221 Padholder assy 2 Deep black 4222 247 67501 Collector Deep black 4222 259 65362 Spout assy HE Deep black 4222 247 68661 Driptray cover Deep black 4222 247 75181...
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