Siemens tumble dryer WT46E389GB/17 not heating and also not turning the drum anymore

Hello, I am a Siemens tumble dryer WT46E389 owner, and I'm encountering a frustrating issue with it. My appliance has stopped turning, and it no longer produces heat for drying my clothes. Additionally, there's a persistent humming sound emanating from the motor.I'm in urgent need of assistance, and I'm looking for a comprehensive troubleshooting guide or diagnostic steps to tackle this problem effectively. Can you provide me with detailed instructions on how to identify the fault and find a solution? Your expertise would be greatly appreciated in getting my Siemens tumble dryer back in working order.

Robin

I will try and help with this problem, If your Siemens WT46E389 tumble dryer ceases to provide heat and rotation, it is essential to diagnose the issue promptly and accurately. In this guide, we will outline the potential problems and provide a list of essential tools required for effective troubleshooting and repair.

I would also like to point out for future reference before you read the rest of the article that there was a door lock issue with this machine a lot of customers have said their machine will not start, and sometimes it would not recognise the door was shut. This is because the door interlock can become faulty on these machines quite regularly just for your future reference.

Tools Required: Before embarking on the repair process, ensure you have the following tools at your disposal:

1. Torque screwdrivers (sizes 20, 15, and 25)
2. Small socket set
3. Open-end spanners (sizes 10 and 13)
4. Multimeter
5. Pin nose pliers
6. Electrical consumption meter (for post-repair testing)

Troubleshooting Heating Issues: When addressing the lack of heating in your Siemens WT46E389 tumble dryer, it is crucial to focus on the heating system and associated thermostats. Two critical components to examine are:

• Heating Element
• Thermostats (Cycling thermostat and Cut-out thermostat, designed for safety)

The cycling thermostat and cut-out thermostat are safety features to prevent overheating. If either of these thermostats goes open circuit due to overheating, replacement is necessary. Additionally, the appliance contains a forward thermostat and an NTC sensor to monitor air temperature during operation.

Addressing Rotation Issues: If your dryer experiences rotation problems, it is essential to inspect the following components:

• Belt and pulley wheel for damage or wear
• Motor and capacitor, especially if you hear humming noises

A non-rotating motor or capacitor malfunction may lead to rotation issues. A comprehensive diagnostic video for tumble dryer faults, along with exploded view diagrams containing part numbers for genuine replacements, can be accessed via the provided link.

Common Maintenance Tips: In addition to specific issues, regularly check and maintain the following:

• Ensure the heat absorption plates at the machine's bottom are clean and free of debris.
• Keep fluff filters and ducting clean to maintain optimal airflow and prevent overheating complications.

Conclusion: As the owner of "How to Repair," with over 40 years of experience in domestic appliance repair, we understand the importance of combating built-in obsolescence. We hope this guide proves helpful in diagnosing and addressing the issues with your Siemens WT46E389 tumble dryer. For further assistance or support, please do not hesitate to contact us or refer to the provided instructional videos.

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