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Bosch Dishwasher not rinsing properly
Common reasons your Bosch Dishwasher not rinsing properly
The most common reasons your Bosch dishwasher is not rinsing properly include a faulty circulation pump, bad water valve and a defective PCB (printed circuit board).
38% of the time it's the Circulation Pump
31% of the time it's the Water Valve
16% of the time it's the PCB
15% of the time it's the Something else
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Most common repairs needed to fix a Bosch dishwasher
Circulation Pump Replacement
The circulation pump in a Bosch dishwasher is a key component that ensures dishes get rinsed properly. When the pump isn’t working properly, water won’t flow properly through the spray arms to rinse detergent and debris from the dishes during the rinse cycle. If a bad circulation pump motor overheats and stops working in the rinse portion of the dishwashing cycle, the dishes will have detergent residue, grit and debris covering their surfaces at the end of the cycle. When you suspect that the circulation pump isn’t circulating water through the spray arms properly, schedule dishwasher repair service to have a technician examine and repair the appliance.
Water Valve Replacement
When your Bosch dishwasher is not rinsing properly, a bad water inlet fill valve can be the cause. The water valve may not be opening properly to fill the dishwasher with water to wash and rinse the dishes. Without the proper amount of water, detergent residue, grit and debris will still be on the dishes at the end of the dishwashing cycle. Electric current from the PCB activates the solenoid coil to open the water fill valve in the fill mode of the dishwasher cycle. If the solenoid coil is bad or the water valve is stuck shut, the dishwasher won’t fill with water. It’s often difficult to tell whether the water inlet valve in a Bosch dishwasher is getting electric current from the PCB. When your Bosch dishwasher isn’t rinsing properly due to low water level, schedule dishwasher repair service to have a Sears Home Services technician examine the valve and replace it if it’s defective.
PCB Replacement
The PCB is the electronic control board that controls dishwasher operations such as filling, washing, rinsing, draining and drying. When your Bosch dishwasher is not rinsing properly, the PCB may not be sending current to the fill valve to fill the tub properly for the rinse cycle. A defective PCB may not be sending proper current to the circulation pump during the rinse portion of the cycle. Corrupted internal logic in the PCB could be preventing the electronic control board from operating the rinse portion of the cycle properly. When your Bosch dishwasher isn’t rinsing dishes properly, schedule dishwasher repair service to have a service technician examine the appliance and replace the PCB if it’s defective.
What to expect when you experience a Bosch dishwasher not rinsing properly
How do you troubleshoot a Bosch dishwasher not rinsing properly?
Fixing most issues preventing your Bosch dishwasher from rinsing properly usually involves replacing the circulation pump, water inlet valve or the PCB. However, there are many other potential causes including:
- Low water supply temperature.
- Clogs in the spray arm holes.
- Detergent/rinse aid dispenser failure.
- Improper loading of dishes.
- Wiring failure.
Follow the troubleshooting tips in the owner’s manual for your Bosch dishwasher when it won’t rinse dishes properly. If the basic troubleshooting tips in the manual don’t help you fix the rinsing failure, schedule repair service to have a Sears Home Services technician visit your home and fix the dishwasher.
What are the main causes of rinsing failures in Bosch dishwashers?
When your Bosch dishwasher won’t rinse properly, one of the main causes is a failure to load dishes properly in the dishrack. Follow the directions in your Bosch dishwasher owner’s manual to load dishes properly so the spray arms can wash and rinse items thoroughly.
Deposits and clogs in the spray arm holes can inhibit spray from reaching and rinsing dishes properly. Check the spray arm holes and clean deposits and debris from the holes using a bamboo skewer or similar item to maximize water flow through the spray arms during the wash and rinse cycles.
What to expect when having a Bosch dishwasher fill problem fixed
When your Bosch dishwasher is not rinsing properly, expect the technician to first run a test cycle and verify the problem. The tech will then check the basics such as the water supply temperature and heater operation. Next, the technician will check the components such as the dispenser, circulation pump and drain pump. The tech will also check PCB operation, wiring connectors, wiring, fill valve and the water fill level float. After testing all components, the technician will know the cause of the rinsing failure in your dishwasher. The tech will replace defective parts to fix the problem so your Bosch dishwasher will wash and rinse dishes properly.
Spotty or soapy dishes in your Bosch dishwasher hint that rinse arms or jets aren’t functioning well. Clogs, misaligned spray arms, or low water pressure can hamper the rinse phase. Don’t let residues mar your glassware—arrange dishwasher fix near me. Proper rinsing revives that trademark Bosch sparkle for every cycle.
What our customers say about us
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Thorough
James called to give an estimated arrival time. He was professional and personable. He had 2 professional ideas of the problem and found 1 was correct, but he didn't stop there. He did a thorough check of the appliance. 1 small part was needed. He ordered the part to my house. Fortunately, he was able to schedule for the next week, just before Thanksgiving. As before, he called ahead, arrived and quickly fixed the problem. My appliance is working perfectly.
Kirsten A, Oxford, PA
Service Call
Luke was great. Polite and knowledgeable even though the dishwasher was older than he!
James G, Hillsboro, MO
Daniel
Daniel went above and beyond to fix my dish washer. Very pleasant to deal with.
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Frequently Asked Questions
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Glossary Terms
A dishwasher end panel is a finishing piece installed on the exposed side of a dishwasher, primarily when it is at the end of kitchen cabinetry, to ensure a seamless and aesthetically pleasing look in the kitchen.
A dishwasher diverter motor controls the direction of water flow to different spray arms within the dishwasher, ensuring optimal water distribution during each wash cycle for thorough cleaning.
A dishwasher drawer is a compact, space-saving kitchen appliance designed to clean dishes efficiently, resembling a standard kitchen drawer that slides out for easy loading and unloading.
Hard water is water that contains high levels of dissolved minerals, particularly calcium and magnesium. It contrasts with soft water, which has lower concentrations of these minerals.