How Can You Troubleshoot a Bosch Dishwasher?


Quick Answer

To troubleshoot a Bosch dishwasher, first identify the specific problem. Common problems with Bosch dishwashers include clogged drain hoses, damaged water inlet valves and water supply problems.

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Full Answer

If the dishwasher is not draining, start by checking if the dishwasher’s drain hose is clogged. Remove the drain hose from the dishwasher to clean it out. If the problem persists, test the drain pump’s motor with an ohmmeter to determine if it is defective. Replace a defective drain pump with a new one of the same kind.

If the dishwasher is noisy, first confirm that the noise is not being caused by loose dishes or clanging silverware inside the dishwasher. Remove the dish racks, and verify that there is no silverware, debris or bones at the base of the washer. If a loud vibration occurs during the filling cycle, the water inlet valve’s diaphragm may be damaged. Replacing the water inlet valve may solve the problem.

If the dishwasher is not filling with water, first investigate the water supply, and check if the main water valve is open. If the valve is fine, the dishwasher’s inlet valve may be causing the problem. A defective dishwasher’s water inlet valve is not repairable and has to be replaced. If the problem persists, confirm the dishwasher’s door seal is watertight and that the door catch is operating correctly.

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