Bosch WTW86560AU Repair Instructions Download Page 2

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Concerning this document

2013-10-23 / DIS 113_58300000133444_ara_en_l

Repair Instructions Laundry Repair Instruction;T22

Page 2 of 35

1.1

Purpose and target group

These repair instructions include information on troubleshooting and repairs.

This information supports the following employees in customer service:
•

Service technicians who repair domestic appliances

•

Technical storemen in the spare-parts warehouse who determine the required

spare parts

•

Call centre employees who take orders

1.2

Summary of Contents for WTW86560AU

Page 1: ...cuit 11 3 6 Automatic cleaning function 12 4 Fault diagnosis 13 4 1 Malfunctions 13 4 2 Result faults 14 4 3 Leaks 15 4 4 Odours 16 5 Test 17 5 1 Starting ending demo programme 17 5 2 Checking electrodes for measuring conductance 18 5 3 Checking interior light 19 5 4 Read out fault memory 20 6 Repairs 21 6 1 Cleaning the heat pump 21 6 2 Installing conversion kit 743988 22 6 3 Replacing motor 23 6...

Page 2: ...supports the following employees in customer service Service technicians who repair domestic appliances Technical storemen in the spare parts warehouse who determine the required spare parts Call centre employees who take orders 1 2 Other applicable documents The following documents include additional relevant repair information Documents Design and function and Customer advice Test programmes Cir...

Page 3: ...d in this document with danger levels and warning symbols The danger levels consist of a symbol and a warning word The warning word identifies the severity of the danger Danger level Meaning Failure to observe the warning will result in death or serious in juries Failure to observe the warning may result in death or serious injuries Failure to observe the warning may result in minor injuries Failu...

Page 4: ...ety conscious procedure for the repair of domestic appliances 2 3 1 Measures to be taken for each repair The following dangers are associated with the repair of domestic appliances Danger of electric shock from exposed live wires and components Risk of cut injuries from sharp edges Risk of destruction of electronic components by electrostatic discharge Specific measures prevent injuries and damage...

Page 5: ...r 2 4 Basic warning instructions Exposed live components Death from electric shock Disconnect the appliance from the power supply Do not touch housing frame or components If running tests while the power is on always use a residual current circuit breaker Ensure that the resistance of the protective conductor does not exceed the standardised value Discharge current of charged capacitors Death from...

Page 6: ...uipment Touching electrostatically sensitive components Destruction of components Apply electrostatic protection system Observe measures to protect the electrostatically sensitive components Unnecessary replacement of sensitive components Destruction of components Systematically check components before replacing them Do not replace components without reason Observe technical documentation ...

Page 7: ...n_l Repair Instructions Laundry Repair Instruction T22 Page 7 of 35 3 1 Fascia Graphic 1 Fascia Graphic 2 Fascia 1 Programme selector 5 Low heat super low heat button 2 Menu button 6 Easy iron Anti crease button 3 Change button 7 Start stop button 4 LCD display ...

Page 8: ...dependent control The conductivity measurement is based on the physical principle that textiles have a conductivity which varies depending on the moisture Damp washing has a higher conductivity than dry washing The conductivity is measured when the washing touches an electrode and a counter electrode which form a measurement section The electrodes are in the end shield During the drying process th...

Page 9: ... a tray 3 with an opening 4 with a downpipe to the evaporator 3 3 2 Function The condensate water is pumped through the filter into the condensate water container via the condensate pump in the base pan Fluff in the condensate water is caught in the filter The filter is usually cleaned by emptying the condensate water container but it can also be removed and cleaned manually The cleaned condensate...

Page 10: ...r on the end shield optional The electronic control is connected to the NTC sensors and controls the components via electrical connections which are required to control the temperature 3 4 2 Function The electrical control controls the fan cooling air depending on the selected programme and the transmitted NTC sensor values From an ambient temperature above 30 C From a temperature on the NTC senso...

Page 11: ...nser 7 releases heat into the process air which is then blown by the process air wheel into the drum The heat dissipation causes the refrigerant to condense The connecting capillaries cause the refrigerant to expand abruptly As a result the pressure and temperature are reduced but the coolant remains liquid The evaporator now absorbs heat from the moist process air and the coolant becomes gaseous ...

Page 12: ...air Instruction T22 Page 12 of 35 3 6 Automatic cleaning function During a programme sequence the condenser is automatically cleaned up to four times As long as automatic cleaning is running CLN is indicated on the display If the CLN display is lit do not pull the condensate water container out ...

Page 13: ...structions Drying programme starts only briefly Door lock function open briefly Advise customer Switching contact does not switch Replace door switch Cable break Replace cable Motor not rotating Run motor test programme Check motor capacitor Replace Replacing the motor Belt torn Replace belt Driving system Drum does not turn Rolling rollers damaged Replace rolling rollers of bearing shield Heat pu...

Page 14: ...documentation Critical load volume mixture of small large items type of laundry not a fault Customer information The time programme should be recommended for small loads Make reference to Customer Information Bosch 725247 Siemens 725246 Laundry not drying residual moisture too high Wrong drying programme Customer information Residual moisture in different programmes varies See instruction manual c...

Page 15: ...ensate water container handle leaking Condensate water container not emptied Fluff filter in the condensate water contain er blocked Appliance inclined slightly forwards Overflow hose blocked Empty fluff filter after each drying cycle and check for dirt clean if required Align appliance backwards slightly by approx 5 mm Clean overflow hose and overflow area in the base group ...

Page 16: ...n still on the drum Customer information See Advising customer document chapter Smell of oil Chemical odour Detergent fabric softener scented cloths Change detergent fabric softener or scented cloths If possible do without fabric softener and scented cloths Wipe drum with a damp cloth Scorching odour Drum overloaded Foreign objects in the appliance Plugs components scorched Remove foreign objects ...

Page 17: ... programme selector switch to position 1 2 Press and hold down Low heat button 3 Rotate programme selector one position to the right 4 Release Low heat button 5 Rotate programme selector switch to position 5 6 Press the Start Stop button Result The demo programme runs without drum rotation and heat pump 5 1 2 Ending the demo programme Switch off the appliance Result The demo programme ends ...

Page 18: ...of 35 5 2 Checking electrodes for measuring conductance Graphic 6 Electrodes conductivity measurement 1 Electrode 2 Counter electrode 1 Check electrode 1 and counter electrode 2 using test programme measuring conductance test step 2 electrode or counter electrode is defective Replace complete bearing shield ...

Page 19: ...ctions Laundry Repair Instruction T22 Page 19 of 35 5 3 Checking interior light Required tools None Prerequisite Appliance is switched on Programme has ended 1 Open door Result Interior light is actuated for 15 minutes 2 the interior light is not lit Change bulb ...

Page 20: ...age 20 of 35 5 4 Read out fault memory The information function Customer can display information in advance about the error which has occurred 1 Selection 2 Move programme selector to position 1 3 Press and hold down the Low heat button for 5 s Result The fault which last occurred is displayed for 5 s ...

Page 21: ...s a video 1 Remove drum and back part of housing 2 Remove condensate pump 3 Remove float from the base pan and remove fluff deposits 4 Remove fluff deposits from area around condensate pump and float 5 Detach front panel from the base group Carefully detach seal from the base group between front panel and base group 6 Remove diffuser and cover from the heat pump 7 Lift heat pump out of the base gr...

Page 22: ...ank with connection hose has been removed Double fluff filter 650474 has been installed 6 2 1 Preparing conversion kit Transfer microswitch and plunger from the old carrier 6 2 2 Installing conversion kit 1 Remove holder Optional 2 Install condensation pump and condensation sensor 3 Install condensation tank housing 4 Connect hose between condensation tank housing and condensation pump 5 Insert do...

Page 23: ...rive belt has been removed 6 3 1 Removing motor 1 Remove electrical connections from the motor 1 and protect against damage 2 Remove module housing cover process air 3 Remove process air duct 4 Secure motor shaft 2 using a wrench 5 Turn fan roller process air to the left and remove 6 Detach tension spring 3 7 Remove screws 8 Take motor out of the appliance 6 3 2 Installing motor Ensure that the dr...

Page 24: ...6 4 Replacing left right side panel Prerequisite Worktop has been removed Fascia has been removed 6 4 1 Removing left right side panel Remove screws 1 Pull side panel backwards out of the catch elements 2 Graphic 8 Side panel 1 Retaining screws 2 Locking points Remove side panel 6 4 2 Installing left right side panel ...

Page 25: ...Repairs 2013 10 23 DIS 113_58300000133444_ara_en_l Repair Instructions Laundry Repair Instruction T22 Page 25 of 35 Install side panel in reverse sequence ...

Page 26: ... 5 Replacing rollers Graphic 9 Rollers 1 Roller Prerequisite Worktop has been removed Side panels have been removed Drum has been removed Rear panel has been removed 6 5 1 Removing rollers 1 Remove screw 2 Remove rollers 1 together with bearing from end shield 6 5 2 Installing rollers Install rollers in reverse order ...

Page 27: ... Graphic 10 Cooling air panel Prerequisite Left cover has been removed 6 6 1 Removing the cooling air panel 1 Tilt appliances to the rear 2 Disengage catch elements from below 3 Insert suitable object to prevent the catch elements from engaging again 4 Remove cooling air panel 6 6 2 Installing the cooling air panel Install cooling air panel in reverse sequence ...

Page 28: ... has been removed Drive belt has been removed Electrical connection of the compressor has been removed 6 7 1 Opening the refrigeration circuit 1 Tap refrigeration circuit on the pressure side 1 using a piercing valve 2 Extract and dispose of refrigerant as stipulated 3 Disconnect compressor on the pressure side 3 4 Disconnect compressor on the suction side 2 5 Release hold points on the compressor...

Page 29: ...conductor 2 Nut 4 Electrical connection Prerequisite Worktop has been removed Right side panel has been removed Drive belt has been removed 6 8 1 Removing compressor 1 Remove 1 capacitors 2 Remove electrical connection 4 3 Remove protective conductor 3 4 Remove nuts 2 5 Open the refrigeration circuit 6 Take compressor out of the appliance 6 8 2 Installing compressor Install compressor in reverse s...

Page 30: ...ara_en_l Repair Instructions Laundry Repair Instruction T22 Page 30 of 35 6 9 Replacing fluff filter Prerequisite Door is open 6 9 1 Removing fluff filter When removing the fluff filter ensure that no deposits hair fluff fall into the air duct ...

Page 31: ... filter out of the appliance 2 Using a suitable tool take seal out of the appliance 3 Clean the process air duct with a damp cloth 6 9 2 Installing fluff filter Install seal without ripples 1 Insert new seal straight into the end shield Process air duct must be cleaned before inserting the fluff filter 2 Insert new fluff filter ...

Page 32: ...anel 1 4 Bolts Prerequisite Worktop has been removed Fascia has been removed Side panels have been removed Door has been removed Door seal has been removed Covers on left and right have been removed Door lock has been removed 6 10 1 Removing the front panel 1 Remove screws 1 4 2 Remove front panel 6 10 2 Installing the front panel Install front panel in reverse sequence ...

Page 33: ...2 Page 33 of 35 6 11 Cleaning the condenser Prerequisite Left and right side panels have been removed 1 Using a knife cut out base group along the specified contour 2 Carefully remove fluff from the evaporator 3 Install maintenance flap 646776 Fins coated with paint Do not damage coating when cleaning ...

Page 34: ...ining ring 3 Bearing block 6 Bearing cover Prerequisite Worktop has been removed Outer and inner process air cover has been removed 6 12 1 Removing drum bearing 1 Remove screws 4 from the cover 2 Remove bearing cover 6 3 Remove retaining ring 5 4 Remove outer raceway 2 5 Remove screws 4 from the drum bearing 3 6 Raise drum 7 Take drum bearing out of the appliance 6 12 2 Installing drum bearing Ins...

Page 35: ...during transportation The appliance can be transported at temperatures ranging from 40 C to 70 C provided there is no longer any water in the base group During the draining process there is always a little water left in the appliance Residual water after normal drying process approx 450 ml 1 If possible transport appliance upright e g using a sack truck 2 After transporting the appliance leave it ...

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