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Electrolux ComfortLift ESF8735ROX, Service Manual

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Electrolux ComfortLift ESF8735ROX Service Manual Download Page 17

3.10.  Pressure sensor 

Details

 

1-

 

Pressure sensor with radial 

sealing 

2-

 

Pressure sensor snap: 

robust snap from bottom 

ribs in sump to limit rotation 

half round rib to limit move 

upward 

Frequency output (0-5V Signal), 

Range: 0-300mm 

Connection: 3 connectors RAST 2.5mm 

Pressure 

mmWc/PA 

Frequency 

Tolerance 20⁰C 

Tolerance 70⁰C 

- 

44.3 

+ / -   3mmWC   /   1% 

+ / -   5mmWC   /   1.7% 

75 

42.16 

+ / -   3mmWC   /   1% 

+ / -   5mmWC   /   1.7% 

150 

40.0 

+ / -   6mmWC   /   2% 

+ / -   8mmWC   /   2.7% 

225 

37.77 

+ / -   9mmWC   /   3% 

+ / -   11mmWC   /   3.7% 

 

1

 

2

 

17/60 

Summary of Contents for ComfortLift ESF8735ROX

Page 1: ...7 ELECTROLUX HOME PRODUCTS PTY LTD Technical Services SERVICE MANUAL DOMESTIC HOUSEHOLD ComfortLift DISHWASHERS ELECTROLUX HOME PRODUCTS PTY LTD ABN 51 004 762 341 Issue 2 Technical Publication Nº DWSI1012 Date 11 17 ...

Page 2: ...d drain system 14 3 9 Flow controller 16 3 10 Pressure sensor 17 3 11 Turbidity sensor High power sensor 18 3 12 Automatic Cycle AutoSense 19 3 13 Global Dispenser 20 3 14 Multi Dosage Specification 21 3 15 XtraDry option 23 3 16 DAAS Sidekick connector 23 3 17 Door Lock with Auto Door Opening 2nd generation 24 3 18 Electronic Main Boards 31 3 19 Components check 36 3 20 Water ReuseN A 37 3 21 Com...

Page 3: ...of Dorotea dishwashers and to give a description of the service functionality This Manual describes General characteristics Technical characteristics Guide to diagnostics 2 Precautions Electrical appliances must be serviced only by qualified Service Engineers Always remove the plug from the power socket before touching internal components 3 60 ...

Page 4: ...view Global hydraulics Sidekick connection possible also from the front of the appliance PB100 PB200 Main board Wash pump with integrated heater Thin inner door with Global dispenser Global door lock with auto door opening integrated 4 60 ...

Page 5: ...arts 1 Counterweights 2 Base 3 Bottom tray 4 Inner fire shield 5 GMB Box Covered in Electronic System 6 Metal cover The counterweight slides under the rear bar and is attached with 2 screws in the base 4 1 2 5 3 6 5 60 ...

Page 6: ...sher 2 Area for swing in and attach the counter weights with screws 3 Water outlet 4 Channels for inserting the hooks from the mainboard box when assembling 5 Ribs to prevent cables from mainboard to fall down 6 Water inlet Inner side 1 Holder for active drying hose 2 Cable exit and holders for cables 3 Holder for float switch 2 5 3 6 4 1 2 3 1 6 60 ...

Page 7: ... assembling the tray 4 Ribs to lift cable to prevent them from reaching the water 5 Dents for rubber fixation of motor Assembly instructions 1 Insert bottom tray without metal feet the tabs on the tray must match the slots in the base The tray should be horizontal if the machine lays on its back 2 Keeping bottom tray pushed inwards rotate it into place 1 2 4 5 3 1 2 7 60 ...

Page 8: ...3 5 Water circuit WASH PUMP HEATER SENSOR PRESSURE TURBIDITY SENSOR AQUA CONTROL DRAIN PUMP WATER OUTLET BLENDED FUNCTION REGENERATION VALVE WATER INLET Reg Water resin salt TUB SUMP 8 60 ...

Page 9: ... hose 2 Wash pump with integrated heater 3 Hose pump sump included with sump 4 Drain pump 5 Sump 6 Hose pump FC FD included with pump 7 Flow controller FC or Flow distributor FD 8 Hose softener sump 9 Sensors 1 2 3 6 7 8 9 5 4 9 60 ...

Page 10: ... sealed using o ring compression Symmetrical connectors from sump and softener side Proper assembly must put hose to the sump and than to the softener 2 Overflow hoses The same parts for both sides Position provided by friction with sump ribs Ribs are indicating correct assembly position 3 Secure that the hose pointing towards the front of the DW is not routed outside indicated yellow circle 1 3 2...

Page 11: ...t fixation is same Includes hose to flow controller Includes pump sump hose Includes Omega heater Includes steel shield around For both motors the heater is available as separate spare part 1 BLDC motor with Flow Control 2 Omega heater 3 Clamps 4 Asynchronous motor with FD 1 2 3 4 2 3 11 60 ...

Page 12: ...asynchronous washing pump motor with FD Three phase washing pump BLDC motor with FC 230 240 V 50 60 Hz Class F Resistance 1 2 56 ohms 2 3 56 ohms 3 1 56 ohms Connection plan BLUE BROWN AUX MAIN 1 WHITE 2 BROWN 12 60 ...

Page 13: ...Omega heater 1 Electric connection of the heater 2 Ground connection Voltage EU 220 240 V Power 1800 W Voltage EU 220 240 V Power 2040 W 1 Heater Cover 2 1 1 13 60 ...

Page 14: ... motor Fixed directly in sump built in volute using Bayonete system Back of protection hook provided for motor Single phase Synchronous motor 3 Cuff on drain hose Clamped to drain outlet Positioned by rib in sump and ribs in cuff 4 Drain pump Single phase Synchronous motor Fixed directly in sump built in volute using Bayonete system Back of protection hook provided for motor 1 2 3 4 14 60 ...

Page 15: ...Max flow rate 15 litre min 1 Cover 2 Housing 3 Triple bayonet fixation aligned into sump connector 4 Motor driver not incl in assembly 5 Motor 6 Power supply Drain pump Single phase Synchronous motor Voltage 230 V 50 Hz Power 30 W resistance aprox 225 ohms Max flow rate 15 litre min 1 2 3 4 5 6 15 60 ...

Page 16: ...wards the top spray arm only bottom spray arm only or towards both spray arms 1 Water outlet to lower spray arms 2 Water outlet to upper spray arms 3 Water inlet from wash pump 1 Micro switch 2 Synchronous motor 230V AC 50 60Hz 2 5 3 rounds minute Counterclockwise direction 1 2 1 2 3 16 60 ...

Page 17: ...ibs in sump to limit rotation half round rib to limit move upward Frequency output 0 5V Signal Range 0 300mm Connection 3 connectors RAST 2 5mm Pressure mmWc PA Frequency Tolerance 20 C Tolerance 70 C 44 3 3mmWC 1 5mmWC 1 7 75 42 16 3mmWC 1 5mmWC 1 7 150 40 0 6mmWC 2 8mmWC 2 7 225 37 77 9mmWC 3 11mmWC 3 7 1 2 17 60 ...

Page 18: ...tically optimize the washing cycle according to the type of load the quantity of the load and the degree of soiling The light is collected by a new technology and guides the light into the measurement zone Use of larger LEDs the light area increases from 3 to 20sqmm small dirt pieces cannot block the light beam anymore LEDs are located in a colder area less temperature fluctuations around the LED ...

Page 19: ... continuously In this way the turbidity sensor can detect the degree of dirtiness And will define if additional rinses are necessary The measurements will be done continuously during the cycle Temperature water consumption and duration is adjusted to the degree of dirtiness 90 160min 40 150min 0 9 1 6kWh 8 15 l 7 14 l 0 6 1 4kWh 19 60 ...

Page 20: ...ance Quality improvement It s present on dishwashers with Thin inner door Assembly process as today It is screwed in to door cut out in an automated line 1 Multi dosage No knob 2 Sliding door Improved access to wash compartment and no interaction with basket 3 Rinse aid level detection variants Optical Shown on picture Electrical For signal to MB 4 Activation button on side 1 2 3 4 20 60 ...

Page 21: ...dosed into the tub With each further activation impulse a dosage volume of 1 5 ml has to be dosed into the tub The allowed dosage time for 4 dosage cycles is max 7 minutes The nominal dosage volume with 4 dosage cycles is 6 ml The maximum number of dosage cycles is 6 The maximum dosage volume with 6 dosage cycles is 9 ml Rinse aid volume The rinse aid container must have an available volume of 120...

Page 22: ...eck if rinse aid should be delivered If 0 no delivery the rinse aid delivery process should be stopped 2 Activation of coil 5 s Delivery of dose of rinse aid 1 5ml nominal 3 Pause 10 s Refill of dosage chamber 4 Repeat from step 2 Number of dosages according to set level Visualization of current pulse specification Lower limit Operable area Upper limit Example current Rise time Pulse width Pulse a...

Page 23: ... 1 C 70 C 3 ml Eco 50 C 0min 15 C 70 C 1 5 ml Glass 45 C 30min 5 C 60 C 3 ml 30 Min 60 C 30min 10 C 70 C 3 ml The XtraDry option extending time for better drying and Time Saver option reducing time are not compatible 3 16 DAAS Sidekick connector Details The Sidekick can connect from the front of the appliance The DAAS connector is available behind the lower front cover on the dishwasher By removin...

Page 24: ... Opening The mechanism to open the door is integrated in the locking device to guarantee process control Hinges After the locking is disengaged the hinges balance the door at 10cm opening to guarantee air flow for drying efficiency and bench top protection Diamond Latch Opening and Closing feeling are defined by the shape of the Diamond Latch sitting in the door 24 60 ...

Page 25: ...n because of the new door hinges The door lock auto door opening and door hinges allow this new integrated system for better drying performance 1 Diamond Latch 2 Door Lock 3 Auto Door Opening Door Lock Door Lock with Auto Door Opening 28V DC micro switch 220 240V AC Wax actuator 25 60 ...

Page 26: ...h downwards with the screwdriver on the screw to loosen the clamping lever Lift up the Diamond Latch between 2 fingers Push forward or backward according to needed adjustment Push down until locked in position Fix the right screw again to lock the Diamond Latch If door is hard to keep closed adjust Diamond Latch forward into the dishwasher If door is hard to close adjust outwards of the dishwasher...

Page 27: ...rossbar has to be taken Door lock with Auto door opening assembly When replacing the Door lock or Door lock with Auto door opening do not Pull on the wire s use plyers to pull off connector Cover of Door lock with Auto door opening Detail of the snapped fixation with 2 screws on the upper front cross bar 27 60 ...

Page 28: ...bling the crossbar start with the front lower screws for positioning 3 Always assemble a new cover of the door lock When disassembling the ADO Cover there is a risk of breaking the fixation snaps or at least bending them and thereby reducing the fixation force of this safety relevant component Therefore it is mandatory to replace the ADO Cover once it has been disassembled with a new part Careful ...

Page 29: ... Latest 2min later the door lock release the door The door falls through the weight of the door itself to 10cm opening because the hinges are balanced for 10cm opening The 10 cm opening allows for faster exchange of moist and dry air When the drying is done the machine beeps The door remains open even after the cycle is finished The Auto door opening ADO is default on with option AirDry enabled Th...

Page 30: ...Probably the Auto door opener is still active The Wax motor is still warm because it take about 3 min for cooling and allow the door to close On fully integrated models there is a pusher strut located on the hinge to assure that the door goes open Door opens 5 to 10cm Drying results are as expected 10 to 20cm According to specification More than 20 cm The door might fall all the way open and this ...

Page 31: ...s placed on the rear side of the appliance in the basement area The electronic board is assembled in a fire protected area The metal cover works as fire protection and avoids mechanical damages on the main board PB 100 PB 150 PB 200 PB 300 31 60 ...

Page 32: ...Y Y Low voltage dispenser Y Y Y Y Inlet valve Y Y Y Y Regeneration valve Y Y Y Y Pressure sensor Y Y Y Y Salt sense Y Y Y Y Rinse sense Y N Y N Display on Floor DOF Y Y Y N Beam on Floor BOF 2 colour Y Y Y N DAAS Y Y Y Y Extra MACS connector for future modules Y Y Y N JTAG IF to microcontroller for development Y Y Y Y PB300 updated with ADO support Q4 2016 Can not be combined with DOF Only in Nort...

Page 33: ...Electronic Box for Main Board PB300 1 Probe slots for testing PCB One for each connector 2 Fastening hooks goes into the base and locked by ribs in lower edge of the base 3 DAAS connector position Open interface due to easy access for service and programming 2 2 2 1 3 3 3 1 33 60 ...

Page 34: ...stress 1 The yellow green wire must be connected to the metal cover when the part is put back in position 2 Hole for pin holding cover in place before screwing it to the base 3 Holes for ventilation Inner fire shield 1 Inner fire shield 2 Metal cover to be assembled on top of electronic box 3 2 2 1 1 34 60 ...

Page 35: ...Main board disassembly 1 Remove 4 screws from the cover 2 Remove the metal cover 3 Unlock the 2 hooks 4 Pull the main board box downwards 1 3 4 2 35 60 ...

Page 36: ... AID SENSOR J1 J2 J1 J2 0 Ω Without Rinse Aid INFINITE With Rinse Aid SALT SENSOR J4 J3 H8 H7 J4 J3 E1 E2 0 Ω Without Salt INFINITE With Salt TEMPERATURE SENSOR L4 L5 H1 H2 K4 K5 G4 G5 4836 Ω 2 5 At 25 C 915 Ω 4 At 70 C TACHO SENSOR G3 G1 E4 E3 223 Ω 5 The motor has stopped REGENERATION solenoid valve G4 G3 E4 E3 F4 F3 D7 D6 3800 Ω 8 FILL solenoid valve G1 G2 E5 E6 F1 F2 D4 D5 4100 Ω 10 solenoid v...

Page 37: ...ows reducing the water consumption The tank is conditioned after every 6 cycles 5 6 lt of hot water are used to clean the tank water contained in the tank is pumped out and replaced by fresh water The Sanitize or Extra Hygiene option Can be run to also clean the tank and the dishwasher not only the load Water raises during the last rinses Water reuse valve Tank is not visible inside and is located...

Page 38: ...Three phase washing pump BLDC for water reuse N A The only part that is visible is the nut inside the tub in the location of the internal light on the right side 38 60 ...

Page 39: ...ve the screws fixing the basket to the rails 2 Press the snap and slide the basket while holding the rail 3 While holding the basket move one rail at a time apart from the basket This movement should be small enough just to release the basket from the rails 1 1 2 2 3 3 Detail of the snap to press and movement on step 2 39 60 ...

Page 40: ...ted in hole marked on the picture 2 Press the snap and slide the rail in direction to the front of the dishwasher This movement should be small enough just to release the rails from the tub It s also possible to disassemble the rails by removing the side panels and removing the plastic part fixed to the tub Detail of components 1 2 40 60 ...

Page 41: ... to release the rails from the tub It s also possible to disassemble the rails by removing the side panels and removing the plastic part fixed to the tub Cutlery Basket comes out When the dishwasher is not level and there is inclination to the front the cutlery basket may come out by itself since this one do not have a retaining system To properly level the dishwasher use the feet regulation 1 41 ...

Page 42: ...ort lift A mechanical system that lifts the bottom basket When lifted the basket will remain on that position by action of a locking device 1 Main handle 2 Unlocking handle 3 Safety cover 4 Strut 1 2 3 3 4 42 60 ...

Page 43: ...Lift the basket Pull the handle off the basket Don t pull the unlocking handle Lower the basket Pull up the unlocking handle to lower the basket 43 60 ...

Page 44: ...if the basket is empty or with few load When fully loaded this happens if the dishwasher is not levelled and is leaning forwards Level the dishwasher It is very important that the product is levelled in the installation Self closing unit not working properly Replace Self closing unit Roller cages coming out from basket guide Parts not planar Replace the roller cages Basket stuck on lower position ...

Page 45: ... rotate it towards the outside of the guide to create the correct interference with the fixing hole on the guide itself Basket coming out from basket rails Basket stuck in upper position Not possible to lower the basket Trigger belt not triggering the locking pin on left side 1 Check if the front stoppers are on correct position see Basket stuck or difficult to move on this table 2 Replace the bas...

Page 46: ...y to have it on the lower position otherwise the lifting mechanism locks the basket and it is not possible to disassemble it 1 Press the snap to remove the plastic locking part front stopper 2 With the snap pressed pull the plastic lock 3 Do this operation on left and right side rails 1 2 46 60 ...

Page 47: ...ing the rotational lifting movement Then on each side pull the snap 1 cm against middle of dishwasher and in the same time pull the basket out minimum 1 cm 5 Slide the rails on both sides to the interior of the dishwasher while holding the basket 5 4 47 60 ...

Page 48: ...n otherwise the lifting mechanism collides with the basket and it is not possible to assemble it 1 Insert the basket on the rails by sliding the rails out and slide the basket in 2 Make sure the basket is fixed on the lifting mechanism 3 Assemble the plastic locking part 4 Do this operation on left and right side rails 1 3 48 60 ...

Page 49: ...point 3 Movement to disassemble When assembling align the cover on the fix point and rotate the other side up to snap it inverse movement from disassemble On assembly and disassembly procedure lower the lifting mechanism at least 5 cm 1 3 2 49 60 ...

Page 50: ...t must be done with the ComfortLift mechanism on lower position the gas strut must be on the position shown on the picture above Do not remove the gas strut unless it s necessary to replace it 1 Move middle rack on upper position 2 Unsnap the 2 gas strut connections with appropriate tool 3 Replace gas strut using the packaging shell to keep it in position 1 2 3 50 60 ...

Page 51: ... the two guides 3 Keep the syncro bar firm with one hand 3 1 Unlock the right side pin 3 2 Unlock the left side pin 3 3 Lift the system up 2 3 3 1 3 2 Keeping the syncro bar firm with one hand unlock the right side pin Keeping the syncro bar firm with one hand unlock the left side pin 51 60 ...

Page 52: ...to inner door and tub to protect them from scratching or denting 5 Drill both rivets from both side 4 rivets with Ø10mm drill bit 6 Remove the syncro bar 3 3 Keeping the syncro bar firm with one hand lift the system up 4 5 52 60 ...

Page 53: ...r both 9 Assemble the safety cover on the new hinge module to avoid finger trapping during operation refer to specific section Safety cover 10 Remove cork from the strut to avoid any risk to have it in the sump 11 Place and screw the new hinge module with manual screwdriver not automatic one max force torque 3 8Nm 7 1 2 3 10 53 60 ...

Page 54: ...t machine spec able to fix 5mm iron rivets 14 Move the system in lower position inside tub and keeping the syncro bar firm with one hand 14 1 Unlock the left side pin 14 2 Unlock the right side pin 14 3 Push the syncrobar into the tub 12 Bend inside 14 1 Keeping the syncro bar firm with one hand unlock the left side pin 54 60 ...

Page 55: ...le the basket refer to specific section Basket assembly 14 2 Keeping the syncro bar firm with one hand unlock the right side pin Keeping the syncro bar firm with one hand push the syncrobar into the tub 14 3 55 60 ...

Page 56: ...he tub 1 With the lift mechanism on the lower position it is necessary to remove the dishwasher from the niche and or remove the side panels to have access to the 3 metallic nuts that fix it to the tub on each side Remove the 3 nuts 2 Unscrew the 3 interior fixation screws 2 1 2 3 1 56 60 ...

Page 57: ...l not a automatic one max force torque 4 5Nm 5 Then the rear nut Use a manual tool not a automatic one max force torque 4 5Nm 6 And the last is the the lower front nut Use a manual tool not a automatic one max force torque 4 5Nm Since the exterior nuts are metallic and fixed on a plastic part the thread of the plastic part may be damaged in case too much force is used when fixing the nuts 3 1 2 3 ...

Page 58: ...emove the basket Refer to Basket disassembly 2 Identify Self closing unit in red rectangle 3 Use screw driver to unlock Self closing unit 4 Unsnap the Self closing unit from basket 5 Place the new one with reverse precedure 2 4 3 58 60 ...

Page 59: ...Roller cage replacement 1 Put the screwdriver inside the guide to push the plastic tooth to unlock it 2 Move the rail out to slide out the roller cage 2 1 59 60 ...

Page 60: ...he guide till the end of the guide spec The arrow on roller cage must be directed pointing outside the dishwaher 4 Insert the rail inside the guide till the end 5 Reassemble the rack 1 Arrow on plastic in this direction 2 60 60 5998018 25 Rev 04 ...

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