The most plausible explanation for a broken dishwasher blade would be wear and tear over time or accidental damage. Dishwasher blades, also known as dishwasher impellers or wash arms, are responsible for spraying water onto the dishes to clean them thoroughly. Several factors could contribute to the blade breaking:
Age and usage: Over time, the plastic or metal materials used to construct the dishwasher blade can degrade, becoming more brittle and prone to breaking. Frequent use and exposure to hot water and detergents may accelerate this process.
Hard or large objects: If hard or large objects (e.g., bones, fruit pits, glass fragments, utensils) accidentally find their way into the dishwasher, they can collide with the spinning blade, causing damage or breakage.
Improper loading: Incorrectly loading the dishwasher with items blocking the rotation of the wash arm can put excessive pressure on the blade, leading to breakage.
Manufacturing defect: Although not as common, a manufacturing defect could result in a weakened blade that eventually breaks during regular use.
Excessive force: Slamming or mishandling the dishwasher door could put stress on the wash arm, potentially leading to a breakage.
To prevent dishwasher blade breakage, it's essential to:
- Avoid placing large or hard items that could damage the blade into the dishwasher.
- Load the dishwasher correctly, ensuring that the wash arm can freely rotate without obstruction.
- Close the dishwasher door gently to prevent unnecessary stress on the wash arm.
- Inspect and clean the dishwasher regularly to ensure it's functioning correctly and to remove any debris that might cause issues.
If the dishwasher blade breaks, it's typically replaceable and can be ordered from the dishwasher's manufacturer or a reputable appliance parts store. It's advisable to have a professional technician handle the replacement if you're not familiar with appliance repairs.