Placing a large pan or any item that blocks the upper spray arm in the dishwasher can have several negative consequences and may potentially cause harm to the dishwasher or affect its performance. Here are some issues that can arise:
Inefficient cleaning: When the upper spray arm is blocked, it won't be able to rotate and distribute water properly. As a result, the dishes on the upper rack may not receive adequate water and detergent coverage, leading to subpar cleaning results.
Uneven load distribution: Large items can disrupt the even distribution of weight in the dishwasher. This imbalance may cause the dishwasher to vibrate excessively during operation, leading to potential damage to the dishwasher or nearby items.
Increased wear and tear: If the upper spray arm is unable to move due to obstruction, it may put extra strain on the dishwasher's motor and pump, potentially leading to premature wear and mechanical issues.
Water pressure issues: A blocked spray arm can cause a pressure build-up in the dishwasher, which may affect the water circulation and lead to irregular water flow during the wash cycle.
To avoid these problems, it's essential to load the dishwasher correctly, following the manufacturer's guidelines and recommendations. Make sure that all spray arms are unobstructed and can rotate freely. Additionally, don't overload the dishwasher and place large items, like pans, on the bottom rack where they won't interfere with the spray arms.
If you accidentally placed a large pan in a way that obstructed the upper spray arm, it's best to stop the dishwasher mid-cycle, reposition the pan or remove it, and then resume the cycle. This will help prevent any potential harm to the dishwasher and ensure proper cleaning performance. Always double-check the dishwasher's manual for specific loading instructions and best practices to get the most out of your dishwasher while keeping it in good working condition.