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Why Do Washing Machines Change Time?

Published in Washing Machine Operation 3 mins read

Washing machines often adjust their cycle time because they sense the load inside the drum after you start the cycle.

Modern washing machines are equipped with smart sensors that can detect the size and weight of your laundry load. This initial load sensing is crucial for optimizing the washing process.

The Role of Load Sensing

After you load your clothes and select a cycle, the washing machine typically performs a brief sensing phase. During this phase, the machine assesses the load's weight and how it's distributed.

Due to the initial sensing, the displayed time may change from the initial estimate. Once load sensing is complete, the machine calculates several factors to determine the actual time needed:

  • Fill Level: How much water is required for the detected load size.
  • Selected Cycle: The type of cycle you chose (e.g., normal, heavy duty, delicates) influences the wash time, temperature, and spin speed.
  • Number of Rinses: Depending on the cycle and possibly the load, the machine determines the necessary rinse cycles.
  • Spin Speed: The weight and type of fabric in the load can affect the optimal spin speed and duration.

Based on these calculations, the machine updates the estimated total time displayed on the control panel. This means the time shown at the beginning is often just a preliminary estimate, and the final time is tailored to the specific load.

How Load Sensing Improves Washing

Adjusting the time based on the load isn't just about providing an accurate estimate; it also helps improve washing efficiency and performance.

  • Saves Water and Energy: By using only the necessary amount of water and running for the appropriate duration, the machine conserves resources.
  • Better Cleaning: The machine ensures the correct water level and cycle length for effective cleaning of the specific load.
  • Gentler on Clothes: Using the right spin speed and time helps protect fabrics from unnecessary wear and tear.
Factor Calculated After Sensing Impact on Time
Fill Level Can increase or decrease
Selected Cycle Base time varies by cycle
Number of Rinses Each rinse adds time
Spin Speed Higher speed might mean shorter spin time, but overall process adjusted

In essence, the machine 'learns' about your specific load and adjusts the cycle parameters for optimal results, leading to the displayed time changing from the initial estimate.

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