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Roper Dishwasher spray arms not spinning

If your Roper dishwasher spray arms are not spinning, the problem is usually tied to water delivery, not the spray arm itself. On this symptom page, the most likely causes start with the control board and main control board, which may fail to send power to the water inlet valve so the tub never fills with enough water to drive the wash arm. A bad timer can also interrupt power at the wrong point in the cycle, though timers are often misdiagnosed. After that, check the center wash arm support, lower wash arm support, and upper wash arm support for cracks, clogs, or a poor connection to the water supply nozzle. When these supports are blocked or damaged, water cannot reach the spray arm properly, which can leave you with a dishwasher spray arm not turning, a dishwasher wash arm not spinning, or a dishwasher not washing properly. Inspect the supports and spray arm openings for debris and damage before replacing parts. To get the exact replacement control board, main control board, timer, wash arm support, or other Roper dishwasher part, enter your model number on RepairClinic.com.

01 - Roper Dishwasher Control Board

A dishwasher's control board provides power to nearly every electrical component in the dishwasher. A faulty board may be unable to supply power to the water inlet valve, preventing it from opening and allowing the necessary water to fill the tank.

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02 - Roper Dishwasher Main Control Board

A dishwasher's main control board provides power to nearly every electrical component in the dishwasher. A faulty board may be unable to supply power to the water inlet valve, preventing it from opening and allowing the necessary water to fill the tank.

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03 - Roper Dishwasher Timer

The timer allows power to flow to the proper parts at the proper times. If the timer isn’t working properly, it might not send voltage to the dishwasher, causing it not to start. Timers are often misdiagnosed—make sure you check more commonly defective parts before replacing the timer.

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04 - Roper Dishwasher Center Wash Arm Support

The center wash arm is attached to a support that is normally attached to the underside of the upper dishrack. Water flows through the support to the arm which circulates the water to the dishes in the upper rack. If the support is damaged or obstructed water may not flow properly. Inspect the support for any damage or obstruction and replace if necessary. In addition, make sure that the support is mating properly with the water supply nozzle.

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05 - Roper Dishwasher Lower Wash Arm Support

The lower wash arm is attached to a support fastened to the sump assembly. Water flows through the support to the arm which circulates the water to the dishes in the lower dishrack. If the support is damaged or obstructed water may not flow properly. Inspect the support for any damage or obstruction and replace if necessary.

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06 - Roper Dishwasher Upper Wash Arm Support

The upper wash arm is attached to a support that provides water to the arm to spray the dishes in the upper dishrack. If the support is damaged or obstructed water may not flow properly. Inspect the support for any damage or obstruction and replace if necessary.

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Frequently Asked Questions

Why are my Roper dishwasher spray arms not spinning?

Can a clogged wash arm support keep a dishwasher from washing properly?

Could a control board cause my Roper dishwasher spray arms not to spin?

Is the timer a common reason a Roper dishwasher is not washing or not starting the wash action?

How do I find the right wash arm support or control part for my Roper dishwasher?

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