Siemens WT46W430FF Manual Download Page 16 | Manualshive

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Design and function

2015-09-07 / DIS 113_58300000171499_ara_en_c

Copyright by BSH Hausgeräte GmbH

Page 16 of 65

3.8

Drum bearing (bearing shield)

3.8.1

Structure

Graphic 8: Components of the drum bearing (bearing shield)

1

Roller

2

Sealing strip

3.8.2

Function

The drum bearing assembly (bearing shield) consists of two rollers (1). The drum

is turned in a clockwise direction via a driving belt powered by the drive motor. The

sealing tape (2) around the drum prevents process air from escaping.

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Summary of Contents for WT46W430FF

Page 1: ...ture excessive 27 Drain tank is displayed 27 Laundry bunched up laundry roller 28 Condensate in collector despite connected drain set 28 Clean filter lint strainer flashes lights up at end of programme 28 4 3 Odours 29 Smell of oil 29 Chemical odour 29 Plastic odour melted 29 Charred smell 29 Musty odour 29 4 4 Noise 30 Humming noise 30 Running noises from the drum bearing 30 Clicking noises 30 Ra...

Page 2: ...lock 54 6 15 Removing the fan drum process air 55 6 16 Replace scraping fan wheel 56 6 17 Replacing motor 57 6 18 Opening closing refrigeration circuit 58 6 19 Cleaning condenser 59 6 20 Removing installing drum bearing 60 6 21 Removing installing the journal 61 6 22 Removing installing fan cooling air 62 6 23 Replacing condensate pump 63 6 24 Installing maintenance door 65 ...

Page 3: ...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 Circuit diag...

Page 4: ... in this document The warning levels consist of a symbol and a warning word The warning word indicates the severity of the danger Warning level Description Non observance of the warning message will result in death or serious injuries Non observance of the warning message could result in death or serious injuries Non observance of the warning message could result in minor injuries Non observance o...

Page 5: ... radiation Table 2 Warning symbols 2 2 2 Structure Warning messages in this document have a standardized appearance and a standardized structure Type and source of danger Consequences of ignoring the warning Actions to protect from danger The following example shows a warning message that warns against electric shock High voltage Death by electric shock Disconnect appliance from grid Discharge hig...

Page 6: ...en carrying out repairs Disconnect appliance from power supply When running tests with power supply on Use a residual current operated cir cuit breaker Select protective conductor connec tion less than standard value to prevent cut injuries wear protective gloves electronic components wear earthing wrist strap Discharge capacitors Table 3 Measures to be taken for each repair 2 3 2 Measures to be t...

Page 7: ...charge capacitors Exposed defective components live 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 Sharp edges Cut injuries Wear protective gloves Touchin...

Page 8: ...s conveyed further to the condenser 4 and flows through the fan process air 5 and the process air duct 6 back into the drum 3 1 2 Function The process air circuit for the heat pump dryer is a closed system The process air is heated for the condenser by the heat generated in the heat pump circuit It is blown by the fan process air into the drum where it absorbs moisture and is conveyed through the ...

Page 9: ...Design and function 2015 09 07 DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 9 of 65 3 2 Heat pump circuit ...

Page 10: ... 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 The cooling of the m...

Page 11: ...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 3 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 sensor B31 abo...

Page 12: ...r 3 Electrical connection 2 Overheating protection OLP The compressor 1 is integrated in the refrigeration circuit The OLP Over Load Protector overheating protection 2 and the electrical connections 3 are on the top of the compressor 3 4 2 Function The compressor draws in the gaseous refrigerant and compresses it under high pressure During this process the refrigerant heats up considerably ...

Page 13: ...signed as a plug or socket 3 5 2 Function NTC resistors are conductive materials with a negative temperature coefficient Negative Temperature Coefficient NTC As the temperature rises the electrical resistance of the NTC drops Graphic 5 The function of the NTC The NTC converts the temperature to electrical resistance The electronics evaluate the resistance of the NTC and actuate a switching process...

Page 14: ... front panel and a door switch 1 on top of the appliance door 3 6 2 Function When the appliance door is closed the snap lock engages mechanically with the door recess on the opposite side To open the appliance door a low mechanical resistance must be overcome to release the snap lock If the appliance door is opened during operation the appliance switches off The door switch prevents the appliance ...

Page 15: ... GmbH Page 15 of 65 3 7 Drum bearing rear panel 3 7 1 Structure Graphic 7 Components of the drum bearing rear panel 1 Drum axis 4 Retaining screws 2 Bearing race 5 Retaining ring 3 Bearing pedestal 6 Bearing cover 3 7 2 Function The drum bearing socket holds the drum in the correct position ...

Page 16: ...ld 3 8 1 Structure Graphic 8 Components of the drum bearing bearing shield 1 Roller 2 Sealing strip 3 8 2 Function The drum bearing assembly bearing shield consists of two rollers 1 The drum is turned in a clockwise direction via a driving belt powered by the drive motor The sealing tape 2 around the drum prevents process air from escaping ...

Page 17: ...mp is a split pole pump without protector which is protected by its own inherent resistance The condensate pump 1 has a fill level sensor 2 Graphic 9 Components of the condensate pump 1 Condensate pump 2 Fill level sensor 3 9 2 Function The condensate pump is connected with the electronic control and is switched by this electronic control on an event driven basis ...

Page 18: ... and function 2015 09 07 DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 18 of 65 Before and after a rinse cycle however after 72 mins at the latest When the fill level sensor is tripped ...

Page 19: ... in the base tray pumps the condensate through the filter into the condensate tank The lint in the condensate is trapped in the filter The filter is normally cleaned by the draining of the condensate tank but can also be removed manually for cleaning The tank is divided into two sections one for cleaned condensate and one for unfiltered condensate max 4 8 l The cleaned condensate is conveyed throu...

Page 20: ...Design and function 2015 09 07 DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 20 of 65 3 11 Motor ...

Page 21: ...otor shaft 3 and drive belt it drives the tensioning roller 1 which is connected to the drum by a drive belt The drive belt is tensioned by the tension spring on the motor The motor is fixed to the holder 5 on the appliance s base tray 3 11 2 Function The motor drives the process fan wheel and the tensioning roller by the motor shaft via the drive belt The tension spring ensures that the drive bel...

Page 22: ...g roller 6 Motor shaft 3 11 5 Function The motor is actuated via the inverter at a fixed speed The inverter is therefore not connected to the D bus The drum speed has been not been changed compared to the other appliances 54 rpm When the motor is started a small jolt occurs to synchronize the coils To limit the motor current a soft start is also effected When off the drum can only be rotated in sm...

Page 23: ...Design and function 2015 09 07 DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 23 of 65 3 12 Evaporator rinsing system ...

Page 24: ...vaporator condenser 7 Lifting magnet 4 Downpipe diffuser 3 12 2 Function 2x2 rinse cycles are started in every drying program Condensed water is pumped into the condensate container Fluff is filtered out into the condensate container by the filter The lifting magnet opens the rinse valve in the condensate container Condensed water flows through the downpipe and is flushed through the diffuser even...

Page 25: ...t electrical connection is fitted correctly Replacing electrical connection Load too dry empty drum detected Underloading Select additional timer programme Error in conductivity system Moisture sensors coated Overdose or insufficient dose of detergent can lead to this error image Fabric softener alters the surface of fibres The electronics receive false values and switch off Cleaning see instructi...

Page 26: ...e 26 of 65 Fault Possible cause Troubleshooting Belt torn Replace belt Rolling rollers damaged Replace rolling rollers of bearing shield Heat pump driers do not become very warm Not a fault Heating system Appliance remains cold Heat pump defective Run heat pump test programme See circuit diagrams ...

Page 27: ...defective Be sure to check water circuit for lint clog ging Y valve defective Replace defective Y valve Flush valve defective Run test program P3 Replace flush valve 0 If flush valve is replaced Check lint clogging at evaporator inlet Remove lint Drain set bronze filter clogged Run test program P7 Replace drain set Diffuser clogged Clean diffuser 0 If diffuser clogged Clean evaporator inlet and pl...

Page 28: ...ondensate is needed for the self cleaning function Customer advice Condensate in collector despite connected drain set Direct discharge On appliances without Refresher function nipple on container removed To check whether nipple has been removed see instruction manual Clean filter lint strainer flashes lights up at end of programme Not a fault Clean filter lint strainer The customer is informed th...

Page 29: ... duct Install repair set 11003634 Replace scraping fan wheel Page 56 Charred smell Drum overloaded Foreign object s in the appliance Plugs components scorched Remove foreign object s Replace plugs components Insufficient detergent dosage Adapt washing behaviour Washing at low temperatures 60 C Clean container tray and fluff sieve shaft with hot water Incorrect wash programme e g short pro grammes ...

Page 30: ...t the drum while the programme is running No error Rattling noises Bent cooling pipes Bend pipes back into shape Axle on drum no longer straight Check axle for quiet running by rotating drum Replace drum if necessary Damage to bearing Replace bearing Drum cracked Replace drum Banging noises Rolling rollers out of round Rolling rollers can become out of round if immobile for a long time Replace rol...

Page 31: ...7 DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 31 of 65 Fault Possible cause Troubleshooting Scraping noises Fan wheel scraping on air duct Install repair set 11003634 Replace scraping fan wheel Page 56 ...

Page 32: ... Possible cause Troubleshooting Condensate dripping between panel and display Leak between bearing plate and cover Check seal 00635382 for correct seating Replace seal 00635382 Leakage bottom front left Foam mat not in correct position Foam mat 12007650 Place foam mat so that it is in contact with the left housing corner ...

Page 33: ... 65 5 1 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 34: ...site Installation location is not susceptible to frost The ambient temperature is between 5 C and 35 C Installation location is supplied with adequate fresh air 1 Place the appliance on a level and firm surface 2 3 Align appliance horizontally by turning the height adjustable feet Height adjustable feet must not be removed and may be unscrewed by a maximum 18 mm During transportation height adjust...

Page 35: ...ring transportation The appliance can be transported at temperatures of 40 C to 70 C if there is no water present in the bottom group During the draining process there is always a little water left in the appliance Remaining water after a normal drying cycle approx 450 ml 2 If possible transport appliance upright e g using a hand cart 3 Leave the appliance to rest for approximately 2 hours after t...

Page 36: ...ge 36 of 65 6 3 Removing installing the worktop Graphic 14 Removing worktop 1 Screw Prerequisite The appliance is free standing 6 3 1 Removing worktop 1 Remove screws 1 2 Pull worktop backwards 3 Remove worktop upwards 6 3 2 Installing the worktop Install the worktop in reverse sequence ...

Page 37: ...37 of 65 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 15 Side panel 1 Retaining screws 2 Locking points 1 Remove side panel ...

Page 38: ...Repairs 2015 09 07 DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 38 of 65 6 4 2 Installing left right side panel Install side panel in reverse sequence ...

Page 39: ...oving installing control panel Prerequisite Worktop has been removed 6 5 1 Disassembling the control panel 1 Remove condensate container 2 3 Remove screws 2 4 Disengage catch elements 1 5 6 Remove the control panel 7 Remove data cable 6 5 2 Installing control panel Install control panel in reverse sequence ...

Page 40: ...rvice software has been installed on the customer service PC Worktop has been removed New power module has been fitted 6 6 1 Connecting UDA to the appliance 1 Connect the data cable between the UDA and the electronics module 2 Connections option 1 3 Use connections option 2 if there is no SI connection on the operating module Connections option 2 4 Connect appliance to the power supply and switch ...

Page 41: ...f 65 6 6 2 Flashing module with I Service 1 Start I Service software on the customer service PC 2 Enter E number of the appliance in the E number field 3 4 Confirm entry by pressing Continue button Result Flash window is displayed 5 6 Press Flash button Result Start flashing window is displayed ...

Page 42: ...confirm selection with Continue button Result Smart OneClick FP window is displayed 9 Always observe the procedure in the display field Failure to do so will make the power module unprogrammable Switch on appliance and leave switched on 11 Press Start button and wait until flashing is complete see progress bar Result Finale message window is displayed ...

Page 43: ...Page 43 of 65 12 13 Use the OK button to conclude flashing the power module If flashing is not successful an error message is displayed Termination may occur for the following reasons Electrical connection between UDA and electronics faulty Appliance not switched on or no power supply ...

Page 44: ...hic 16 Module is installed 1 Conductor connection 3 Power module 2 Cover Graphic 17 Position of power module 4 Catch elements 2 Remove conductor 1 3 Pull cables out of the cable holders on the power module 3 and on the plastic crossmember 2 4 Disconnect electrical connections 5 Disengage upper catch elements 4 6 Push power module upwards and disengage lower catch elements 7 Remove power module fro...

Page 45: ...Repairs 2015 09 07 DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 45 of 65 6 7 2 Installing the power module Install power module in reverse sequence ...

Page 46: ...trol panel has been removed Door has been removed Door seal has been removed Air inlet panel has been removed Maintenance cover has been removed Door lock has been removed 6 8 1 Removing front panel 1 Remove screws 1 2 Remove screws 2 3 Remove screws 3 4 Remove screws 4 5 Detach front panel on the left side 6 Unhook front panel on the right side and remove 6 8 2 Installing the front panel Install ...

Page 47: ...ng attaching air inlet panel Graphic 19 Air inlet panel 1 Catch element Required tools None Prerequisite None 6 9 1 Removing air inlet panel 1 2 Disengage catch elements using a suitable tool 3 Remove air inlet panel 6 9 2 Attaching air inlet panel Insert air inlet panel until it audibly clicks into position ...

Page 48: ...8 of 65 6 10 Remove install electrodes for conductivity measurement Prerequisite Worktop has been removed Control panel has been removed Door has been removed Front panel has been removed 6 10 1 Remove electrodes for conductivity measurement 1 Remove lint filter 2 Remove screws 1 inside drum ...

Page 49: ...geräte GmbH Page 49 of 65 3 Remove cover of electrode holder 2 inside drum 4 Take electrode holder out of appliance 5 Disconnect electrical connections 3 6 10 2 Install electrodes for conductivity measurement Install electrodes for conductivity measurement in reverse order ...

Page 50: ...Page 50 of 65 6 11 Replacing door switch Prerequisite Worktop has been removed Control panel has been removed Door has been removed Front panel has been removed 6 11 1 Removing the door switch 1 2 Remove electrical connection 1 from door switch 2 3 Take door switch out of the appliance ...

Page 51: ...Repairs 2015 09 07 DIS 113_58300000171499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 51 of 65 6 11 2 Installing door switch Install door switch in reverse order ...

Page 52: ...ng rollers Graphic 20 Rollers 1 Roller Prerequisite Worktop has been removed Side panels have been removed Drum has been removed Rear panel has been removed 6 12 1 Removing rollers 1 Remove screw 2 Remove rollers 1 together with bearing from end shield 6 12 2 Installing rollers Install rollers in reverse order ...

Page 53: ...ollowing document Video Cleaning lint filter AVC cleaning lint filter heat pump dryer Clean lint filter with warm water 3 If the appliance has not been used for some time clean the filter in the condensate container without fail 5 Remove filter in condensate container after two drying programmes 6 Rinse filter with warm water Never operate the appliance without the lint filter or condensate contai...

Page 54: ...Page 54 of 65 6 14 Replacing the door lock Required tools None Prerequisite None 6 14 1 Removing the door lock 1 2 Remove screws from door lock cover and remove door lock cover 3 4 Take door lock out of the appliance 6 14 2 Installing the door lock Install door lock in reverse sequence ...

Page 55: ...isite Worktop has been removed Right hand side panel has been removed Cover process air has been removed 6 15 1 Removing fan drum process air 1 2 Fix motor shaft with a wrench 3 3 Dismantle fan drum process air 4 in an anti clockwise direction using a socket wrench 4 Take fan drum process air out of the appliance 6 15 2 Assembling fan drum process air Assemble fan drum process air in reverse seque...

Page 56: ...le detached from rear panel Side support unclipped Left side panel detached Connecting hoses to condensate tank disengaged 6 16 1 Remove defective components 1 Remove and dispose of process air duct 2 Remove and dispose of process fan wheel 3 Remove and dispose of rear bearing plate 6 16 2 Install repair set 1 Install rear bearing plate 2 Install process fan wheel 3 Install process air duct 4 Inst...

Page 57: ...has been removed 6 17 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 17 2 Installing motor Ensure that the drive belt...

Page 58: ...removed Drive belt has been removed Electrical connection of the compressor has been removed 6 18 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 and take...

Page 59: ... 65 6 19 Cleaning condenser Prerequisite Left and right side panels have been removed 1 2 Using a knife cut out bottom group along the specified contour 3 Carefully remove fluff from the evaporator 4 Install maintenance door 646776 Gills coated with paint Do not damage this coating when cleaning ...

Page 60: ...g 3 Bearing block 6 Bearing cover Prerequisite Worktop has been removed Outer and inner process air cover has been removed 6 20 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 20 2 Installing drum bearing Install drum...

Page 61: ...299 Prerequisite Worktop has been removed Fascia has been removed Rear panel has been removed Process air duct has been removed Bearing has been removed 6 21 1 Removing the journal 1 2 Unscrew plastic rivets 1 using countersinking tool 2 6 21 2 Installing journal Do not attach journal with the rivets Use holes between the rivets 1 Attach journal using the enclosed screws 2 ...

Page 62: ... has been removed 6 22 1 Removing fan cooling air Catch element has been fitted ex works with two stabilising bars During removal cut through the bars using a suitable tool 1 Remove screws 2 2 Press catch element 1 upwards 3 Take fan cooling air out of the appliance 4 Remove electrical connections from the right side of the fan cooling air 6 22 2 Installing fan cooling air Install fan cooling air ...

Page 63: ...lacing condensate pump Condensate pump and fill level indicator can only be replaced together 6 23 1 Removing the condensate pump 1 2 Disengage catch elements on rear of appliance using a screwdriver 3 Remove cover 4 5 Remove electrical connections 1 and microswitches 3 6 Remove hose 2 from condensate pump ...

Page 64: ...1499_ara_en_c Copyright by BSH Hausgeräte GmbH Page 64 of 65 7 8 Disengage holder using a suitable tool and take condensate pump with holder out of the appliance 6 23 2 Installing condensate pump Install condensate pump in reverse sequence ...

Page 65: ... video sequence available in the Quick Finder for this maintenance step Prerequisite Air inlet panel has been removed Maintenance cover in bottom group has been removed 1 Attach maintenance door 646776 at the specified points 2 After installation check for leaks 3 Fill condensate container with clean water 4 Start customer test programme P15 ...

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