Tumble Dryer

Bosch WTE 86303 PL Tumble Dryer Wont Heat Up

August 20, 2024
Customer Question

Hi there,I was wondering if you could please advise me about a a Bosch WTE 86303 PL tumble dryer that wont heat up.I checked the thermostat for continuity - its fine.The NTC sensor which is located at the back of the heating unit - fine.The microswitch (tny266gn) - fine.The heating element values - fine (30 Ohm for one coil, 42 ohm for the other coil). no visible damage or tear.Although everything seems fine, the heating element isnt getting hot enough, and the drying cycle ends with damp (yet hot) cloths.Could you please help me solve the issue?Many thanks.

Paul
Paul Repair Expert

I will try and help with this problem about Bosch WTE 86303 PL Tumble Dryer,

Hi Shay, sorry to hear about the problem with your tumble dryer. I'm glad you've checked the heating sensors, thermostats, and heating element. You mentioned it's getting hot but still damp. This might not be a heating issue but rather a problem with the condensing system.

The condensing system works simply. Hot air from the heater warms the clothes. This air then travels through the door system and over the condenser plate. If this plate is dirty, it can't condense the water in the air properly. Airflow is created by a fan pulling air into the machine and pushing it through the condenser from the side. The hot air from the clothes moves from front to back. When there's a temperature difference, hot air condenses on the cooler plates. The water then drains to a pump, which moves it to a collection tray.

If there are blockages in the pumping system and water isn't being transferred to the top, it will circulate in the air around the machine. Ensure everything is clean and working efficiently. I've added some videos below on condenser tumble dryers. They may be for a different make, but the principles are the same. Watch these to understand the drainage system, pumping system, and condenser plate. I hope this helps you.

There are 4 similar models to your Bosch WTE 86303 PL Tumble Dryer please use your full model number which is written on the identification plate.

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Bosch WTE 86303 PL Tumble Dryer

Bosch WTE 86303 PL Tumble Dryer Spares

Match your part for Bosch WTE 86303 PL Tumble Dryer and the use reference number in list below and click on the link to your part

Bosch WTE 86303 PL Tumble Dryer Water System Assembly

Bosch WTE 86303 PL Tumble Dryer Top Panel Assembly

Bosch WTE 86303 PL Tumble Dryer Housing Assembly

Bosch WTE 86303 PL Tumble Dryer Door Panel Assembly

Bosch WTE 86303 PL Tumble Dryer Drum Tub Assembly

full list of spare parts for Bosch WTE 86303 PL Tumble Dryer model below

Reference Part Number Description
0101 00641266 Tray handle-dispenser
0102 00600616 Knob-programme
0103 00600148 Spacer
0104 00644310 Control module
0105 00623688 Capacitor-interference
0106 00497724 Power cord
0199 00664527 Window
0199 12022831 Repair-set
Reference Part Number Description
0201 00247370 Panel side
0202 00247370 Panel side
0203 00475311 Front panel
0204 00475305 Hood
0205 00621457 Sealing
0206 00640673 Heating element
0207 00600157 Sensor-NTC
0208 00600158 Limiter-temperature
0209 00249227 Case-rear part
0210 00600080 Light socket
0211 00070779 Lamp
0212 00445048 Duct
0213 00445049 Duct
0214 00622324 Lock-mechanical
0215 00154165 Seal
0216 10010119 Repair-set
0218 00611613 Clip
0219 00247610 Bearing shield
0220 00613751 Cover
0221 00600155 Sealing
0223 00652184 Fluff Filter for Tumble Dryers
0224 00154159 Holder
0225 00420271 Clamping piece
0226 00600811 Holder
0227 00600433 Cover
0228 00656841 Sealing
0230 00770163 Worktop
0231 00613598 Wheel
0237 00700248 Front rail
0238 00649053 Ventilation duct
Reference Part Number Description
0301 00614390 Hook
0302 00644222 Handle
0303 00661324 Cover
0304 00664845 Frame-window
0305 00445420 Glass cover
0306 00667793 Frame
0307 00646933 Door hinge
0308 00664846 Ring
Reference Part Number Description
0401 00497211 Drive coupling
0402 00657917 Belt-drive
0403 00618931 Bearing
0404 00652500 Seal set - drum support
0405 00649045 Sealing
0407 00249014 Drum
0410 00652502 Taper
Reference Part Number Description
0501 00611942 Foot
0502 00145467 Motor
0503 00615653 Spring
0504 00600436 Roller-tension
0505 00600151 Belt-drive
0506 00650172 Fan drum
0507 00647542 Fan drum
0508 00610150 Capacitor-metal paper
0509 00497214 Lid
0512 00497217 Pump
0513 00429372 Hose connection inlet
0514 00670084 Housing
0515 00615455 Overflow
0516 00673226 Container-condensed water
0517 00644783 Hose-fill
0518 00497529 Cover
0519 00445593 Cover
0520 00445427 Cover
0521 00600147 Lock-mechanical
0522 11000416 Heat exchanger
0523 00600529 Hose clamp
0524 00445042 Insulating part
0525 00094041 Outlet hose
0526 00751938 Lid
0527 12013784 Outlet hose
0528 00655300 Holder
0529 00416546 Connection
0530 00041270 Cable strap
0531 00445504 Lid
0532 20005204 Case-bottom
0535 00600543 Hose-fill

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