If your GE dishwasher spray arms are not spinning, the problem is often a loss of proper water flow rather than a failed spray arm itself. On this symptom page, the most likely causes start with the control board or main control board not sending power where it needs to go, which can keep the water inlet valve from opening and leave the tub without enough water pressure to turn the wash arm. A faulty timer can also interrupt the cycle, though timers are commonly misdiagnosed. After that, check the parts that directly feed water to the spray system: the center wash arm support, lower wash arm support, and upper wash arm support. If any support is cracked, clogged, or not lined up with the water supply nozzle, your GE dishwasher spray arm may not turn and the dishwasher may seem like it is not washing properly or leaving dishes dirty after the dishwasher cycle. Inspect for blockages, damage, and poor fit, and enter your model number on RepairClinic.com to find the exact GE replacement part for your dishwasher.
01 - GE 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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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.
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.
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.
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.
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.