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Whirlpool Dryer Won't Start Says Sensing

Whirlpool Dryer Won't Start Says Sensing

4 min read 09-12-2024
Whirlpool Dryer Won't Start Says Sensing

Whirlpool Dryer Won't Start: Decoding the "Sensing" Error

Whirlpool dryers, known for their reliability, can sometimes throw a wrench in your laundry routine. One common issue is the dryer refusing to start and displaying a "Sensing" error message (or a similar indication depending on your model). This doesn't necessarily mean a faulty sensor; it could signal a variety of problems. This article will delve into the possible causes, drawing upon information and insights from various sources, including expert analysis, and provide practical troubleshooting steps to get your dryer back up and running.

Understanding the "Sensing" Error

Before we troubleshoot, it's crucial to understand what the "Sensing" error signifies. Modern Whirlpool dryers employ various sensors, primarily a moisture sensor and a thermal sensor, to monitor the drying process. These sensors constantly communicate with the dryer's control board. The "Sensing" error typically suggests a disruption in this communication or a problem with the sensor itself. The dryer might not start because it's unable to determine the moisture level accurately or detect the correct temperature. This prevents the dryer from completing its pre-programmed drying cycle.

Possible Causes and Troubleshooting Steps

Let's examine the most common reasons behind a Whirlpool dryer's "Sensing" error, drawing upon practical experience and general appliance repair knowledge:

1. Blocked Vent: A severely restricted dryer vent is a frequent culprit. Lint buildup restricts airflow, causing the dryer to overheat and potentially triggering a safety shutdown manifested as the "Sensing" error. The dryer might struggle to accurately sense moisture levels or temperature due to the lack of proper ventilation.

  • Troubleshooting: Disconnect the dryer from the power source. Detach the vent and thoroughly clean it using a dryer vent cleaning kit or a long brush. Pay particular attention to any bends or restrictions in the vent line. Ensure the vent is properly connected to the exterior and is free from obstructions. Reassemble everything and test the dryer.

2. Faulty Moisture Sensor: The moisture sensor, often located near the drum, measures the moisture content in the clothes. A malfunctioning sensor can lead to inaccurate readings, resulting in the "Sensing" error. This sensor can be contaminated by lint or simply wear out over time.

  • Troubleshooting: This often requires more advanced troubleshooting. Consult your dryer's service manual to locate the moisture sensor. Visually inspect it for any visible damage or debris. Cleaning the sensor might resolve the issue in some cases; use compressed air to carefully remove any lint or dust. However, if the problem persists, a replacement sensor might be necessary (this often requires specific expertise or the assistance of a technician).

3. Faulty Thermal Sensor/Thermistor: The thermal sensor monitors the dryer's temperature. A faulty thermistor can send incorrect temperature readings to the control board, leading to the "Sensing" error.

  • Troubleshooting: Similar to the moisture sensor, locating the thermal sensor requires consulting your dryer's service manual. Inspect it for damage and, if possible, test its continuity using a multimeter (this requires basic electrical knowledge). If the thermistor is faulty, it will need replacement. This step, again, often requires professional help.

4. Control Board Issues: The control board is the "brain" of the dryer. If the control board malfunctions, it might incorrectly interpret the sensor readings or fail to communicate with the sensors properly. This is less common but a crucial aspect to investigate when other components have been ruled out.

  • Troubleshooting: Diagnosing control board problems requires specialized tools and knowledge. This is typically best left to qualified appliance repair technicians. Replacing a control board is typically a costly repair, so it's crucial to rule out other, less expensive solutions first.

5. Door Switch Problems: While less directly related, a faulty door switch can sometimes trigger unusual behavior. The door switch is essential; the dryer might prevent starting if it senses the door is not closed correctly. This can manifest indirectly as a sensing error.

  • Troubleshooting: Inspect the door switch for any damage and ensure the door closes securely. You might even test the switch's continuity using a multimeter. If faulty, the switch needs to be replaced.

6. Power Supply Issues: Check the dryer's power cord, outlet, and house wiring. Loose connections, blown fuses, or tripped circuit breakers could be the source of the problem, preventing the dryer from receiving sufficient power.

  • Troubleshooting: Check the circuit breaker box for tripped breakers. Inspect the power cord for any visible damage. If the outlet isn't working, test it with another appliance.

7. Wiring Problems: Loose or damaged wiring within the dryer can disrupt the communication between the sensors and the control board. This often goes beyond a typical user's repair capabilities.

  • Troubleshooting: This is a task best handled by a trained technician who can diagnose and repair any internal wiring problems.

When to Call a Professional

While many of the steps mentioned above can be attempted by homeowners with basic DIY skills, some repairs, such as replacing the control board, moisture sensor, or thermal sensor, are best left to qualified appliance repair technicians. Attempting these repairs without the proper knowledge and tools can damage the dryer further or pose safety risks.

Preventative Maintenance:

Regular preventative maintenance can help avoid the "Sensing" error and extend the life of your Whirlpool dryer:

  • Clean the lint filter after every load: This is the most essential step in preventing dryer-related issues.
  • Clean the dryer vent at least once a year: A blocked vent significantly impacts the dryer's performance and safety.
  • Inspect the dryer's interior for lint buildup: Accumulated lint can affect the sensors and other components.

Conclusion:

The Whirlpool dryer "Sensing" error can be frustrating, but by systematically troubleshooting the potential causes, you can often identify and fix the problem. Remember to prioritize safety, and don't hesitate to consult a qualified appliance repair technician if you're unsure about any step of the troubleshooting process. Regular maintenance is key to preventing future issues and ensuring your dryer operates efficiently and safely for years to come. This preventative care can save you money on costly repairs in the long run.

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