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HD7855/60 / HD7856/60

5-24

DISASSEMBLY- AND  RE-ASSEMBLY ADVISE

Remove all loose parts like Driptray, water container and 
pod-holders.

Remove the back cover.

•  Remove the four Torx screws (

A

) (T15) from the back 

cover.

•  Carefully unhook the back cover from behind the both 

side covers.

•  Use a flathead screwdriver to undo both snap hooks on 

either side of the back cover

•  The back cover can now be tilted forward.
•  Two hoses are still connected to the water container 

socket, they can be removed for easy access.

Remove the front cover.

•  Place the appliance on its backside, to be able to reach 

the underside.

•  Use a flathead screwdriver to undo both snap hooks. 

1

2

Remove the side covers.

•  To be able to remove the side covers the top cover 

surrounding the lid needs to be removed, to do this two 
snap hooks need to be undone, they can be reached via 
the opening of the back cover. 

•  Unlatching the hooks needs some force, once undone 

you need to open the brewchamber to be able to 
completely remove the top cover.

•  Unscrew both screws (

B

) on top side of the appliance, 

they were previously covered by the top cover.

•  Place the appliance on its backside, now you can undo 

the snap hooks (two on either side) , then you can 
remove the side panels.

 

With all covers removed you are able to reach all main 
components: 

 

- Pump

 

- Boiler

 

- Steam pump

 

- 3-way valve

 

- Thermo block fuses

 

- Brew head

Summary of Contents for Senseo Latte Duo HD7855/60

Page 1: ...erly and has to meet the safety requirements as officially laid down at this moment TECHNICAL INFORMATION Voltage 220 240V Frequency 50 Hz Power consumption 2450 W º Boiler 1450 W º Thermo block 1200 W Color setting Deep Black Misty Dawn Dimensions WxDxH º Appliance 210 x 315 x 290 mm º F Box 285 x 390 x 334 mm Materials º Housing PA PP ABS º Spout collector PP º Water container PP º Drip tray ABS...

Page 2: ... 74 72 69 63 67 France Specific Measurement specifications Water spec without pod in mL Black coffee Milk recipe General WEU France Specific Coffee water Milk water Total water 1 cup with 1 cup podholder 133 10 111 10 72 10 68 10 140 10 2 cups with 2 cups podholder 2 x 133 10 2 x 111 10 2 x 72 10 2 x 68 10 2 x 140 10 Temperature indication water in C General WEU France Specific 74 72 Capacitive Us...

Page 3: ...ressure tube High pressure tube Low pressure connections High pressure connections a p aa jj PCBA layout and functional schematic P P NTC Fuse Fuse TCO NTC Fuse Fuse Brewhead sensor Water level sensor N E L Boiler Thermoblock Pump Steam pump UI PCBA WSS PCBA J2 Blue wire AMP2 AMP7 Yellow wire AMP4 White wire AMP3 Black wire Brown wire from cordset AMP1 AMP6 Red wire AMP10 Brown wire AMP8 Brown wir...

Page 4: ...th a base accuracy for temperature of 0 05 or 0 3 C Temperature probe 80PK 22 80AK A Thermocouple adapter required Scale º KERN EMB 500 1 or comparable device with a base accuracy of 0 05 or 0 5 g Power meter º Voltcraft EnergyCheck 3000 or comparable device with a base accuracy of 1 or 5W Stopwatch º Basic model Note All measurement devices need to be calibrated certified and traceable to the int...

Page 5: ...reach the underside Use a flathead screwdriver to undo both snap hooks 1 2 Remove the side covers To be able to remove the side covers the top cover surrounding the lid needs to be removed to do this two snap hooks need to be undone they can be reached via the opening of the back cover Unlatching the hooks needs some force once undone you need to open the brewchamber to be able to completely remov...

Page 6: ...he PCBA Undo all fixed leads from their routing through the frame They are going to Boiler Thermo block Steam pump and Water pump The PCBA is held in place by one screw E in the center of the PCBA Open the brew head lid To be able to open the lid of the brew head remove the front back and side covers Disconnect the UI cable from the Main PCBA J3 to the brewhead and undo its routing through the inn...

Page 7: ...w White Blue and Red lead close to the connection of the red lead on the PCBA Safety 3 Ty wrap Black Yellow White Blue Red and 4x brown close to the connection of the lowest two brown wires on the PCBA Safety 1 3 2 Cordset Earthwire andThermoblock 1 Ferrite bead must be in place and ty wrapped to filter out interference EMC 2 Clean Brown and Blue wire must be ty wrapped to Earth wire close the The...

Page 8: ... technician is sure there is no other underlying cause e g leakage incorrect voltage settings etc for the deviation in volume from the factory default How to adjust the volume output 1 Make sure the boiler is filled properly otherwise perform the Flush before first use procedure according to the instructions in the DFU 2 Switch the appliance on and wait until the unit is ready 3 Place either the 1...

Page 9: ...0 5 second and before 1 5 second operate Button 2 and Button 5 simultaneously On off LED will be switched ON 3 Release all switches On Off LED will be switched OFF Calibration step 1A Decrease calibration value 1 Push and release button 2 to decrease the calibration value The On Off LED will be ON for 0 5 seconds 2 Repeat step 1A 1 when required Calibration step 1B Increase calibration value 1 Pus...

Page 10: ...On Off button On Off LED Button pressed Button released Button 4 2 cup LED Button pressed Button released Button 5 2 cup LED Button pressed Button released Button 6 2 cup LED Button pressed Button released Test step 2 Entry sensor mode 1 Operate Button 2 On Off button and Button 5 2 Release all switches 3 All LEDs will be ON for 1 0 seconds and after that switch to OFF again Test step 3 Sensor ide...

Page 11: ...L sensor Fast blinking during start ON OFF switch Check repair brew head switch Is pump working LEAKAGE Appliance is already RESET Flush with 1 pod holder Combined Measurement SATISFACTION TEST CHECK LIST position leakage MAIN FLOW CHART 1 cup volume 133 10 ml First 1 cup temperature with water 74 C Check and or change NTC Temperature OK CHECK LIST Volume too high too low Difference Left Right 10 ...

Page 12: ...out within 5 sec CAPPUCHINO temperature with water 62 C CAPPUCHINO volume 140 15 ml HD7853 54 150 15 ml HD7850 52 CHECK LIST Volume too high Volume too low YES YES YES YES OK OK NO Note For all action boxes marked in yellow please refer to the latest version of the Senseo Repair Process Note For new repair engineers it is advisable to start with the complete Senseo Repair Process your contact in t...

Page 13: ...Deep black 9 4222 247 71562 Drip tray Deep black 10 4222 259 59051 Water container WC assy Sepia grey 1010 Float spring 1020 Float assy 1030 Valve seal 1040 Valve spring 1050 Valve rod 11 4222 247 71543 Top cover Deep black 12 4222 259 56721 Back cover assy Deep black 1210 WC sealing 1220 Filter 1230 WC socket 13 4222 247 59473 Housing Sensor Water level 14 4222 259 56481 Sensor Water level 15 422...

Page 14: ...7 43690 Boiler pin cover 28 4222 259 41620 NTC assy 29 Hose B 3WV 30 4222 259 52091 Boiler v70 230V 31 4222 247 05134 O ring NTC 32 Thermoblock assy 230V 50 Hz 3210 4222 259 59231 Venting valve VV 3220 Hose TP VV 3221 Hose SV TB 3222 Hose TB TP 3223 Hose TP Steam outlet 3230 4222 247 72081 T piece TP 3240 4222 259 41870 Fuse assy welded 1 piece 3250 4222 259 41750 Thermoblock TB 230V 50 Hz 33 Inne...

Page 15: ...151 3371 Damper SP 3380 4222 259 56571 Earth wire assy 3390 4222 259 37240 Pump WP 230V 50 Hz 3391 4222 247 04992 Damper WP 3392 4222 240 06771 Spring WP 33100 Inner frame WSS 33110 Inner frame WP 34 4222 247 71503 Base plate Misty dawn 35 4213 247 05256 Foot 100 4222 244 50680 Ty wrap 101 4222 244 50692 Ty wrap B ...

Page 16: ...HD7855 60 HD7856 60 16 24 110 130 120 140 150 160 1 2 EXPLODEDVIEW ...

Page 17: ...HD7855 60 HD7856 60 17 24 9 620 8 610 1010 1020 1030 1040 1050 6 3 4 5 10 EXPLODEDVIEW ...

Page 18: ...HD7855 60 HD7856 60 18 24 A 4x i a Q 1230 1220 1210 12 14 13 11 EXPLODEDVIEW ...

Page 19: ...HD7855 60 HD7856 60 19 24 B B 16 17 15 18 EXPLODEDVIEW ...

Page 20: ...HD7855 60 HD7856 60 20 24 p f jj g C N 2110 20 19 24 23 22 21 EXPLODEDVIEW ...

Page 21: ...HD7855 60 HD7856 60 21 24 g h 2510 2520 2530 2540 2550 2560 25110 25120 2570 2590 2580 25100 2x 25 100 M D 8x EXPLODEDVIEW ...

Page 22: ...HD7855 60 HD7856 60 22 24 U T S R E e d c f Q V M N W P O J3 J6 J4 J5 J7 U P Y 31 26 101 28 27 30 29 3340 3320 3330 3310 EXPLODEDVIEW ...

Page 23: ...60 23 24 F 3x Z R S T O X X i p m n o ii l k bb aa j hh ff gg b ee dd cc a c jj Y 3223 3240 2x 3210 3220 3221 3230 3222 3250 32 3371 3345 3380 3341 3343 3370 3344 3346 3360 3342 3350 3390 3347 3392 3391 33 EXPLODEDVIEW ...

Page 24: ...HD7855 60 HD7856 60 24 24 G G G H V W Z 33110 33100 35 2x 34 EXPLODEDVIEW ...

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