If your dishwasher soap dispenser is not opening, the most likely problem is a broken dispenser lever, which can keep the detergent door from opening or closing the way it should. A damaged detergent dispenser cover is another common cause, followed by a faulty detergent container or a cracked dispenser lid. In some cases, it makes more sense to replace the entire detergent dispenser assembly instead of taking it apart to change one small piece. A dishwasher not dispensing soap can also be tied to a control board issue, but that is much less common, so it is smart to rule out the dispenser lever, cover, container, and lid first. If your dishwasher detergent dispenser not working is leaving dishes dirty after the cycle, inspect these parts closely for wear, binding, or visible damage. RepairClinic.com makes it easier to match the right replacement part to your machine. Just enter your model number to find the exact dishwasher dispenser lever, detergent dispenser cover, dispenser lid, detergent container, control board, or complete detergent dispenser that fits your specific dishwasher.
01 - Dishwasher Dispenser Lever
If the dishwasher dispenser lever is broken, it can cause the dispenser not to open or close properly. Inspect the dispenser lever for damage. If the lever is broken, replace it.
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The control board provides power to nearly every component of the dishwasher. If there is a problem with the control board, it might not send voltage to the detergent dispenser, preventing the dispenser from opening. However, this is not likely the case. Control boards are often misdiagnosed—make sure you check more commonly defective parts before replacing the control board
If the dispenser door spring is defective, the dispenser might not open during the wash cycle. Inspect the dispenser door spring for damage. If it is bent, broken, or damaged in any way, replace it.