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How to Troubleshoot a Bosch Exxcel Dishwasher

Updated November 21, 2016

The Bosch Exxcel dishwasher is available in different finishes and sizes and is sold both in the United States and Europe. The unit offers four wash programs, an LED display panel, water and soil sensors, child safety lock, time delay option, nine place settings, glass protection system, adjustable baskets, automatic dispenser and a hydraulic water system. While regular maintenance and care should help keep the dishwasher running smoothly, problems can arise that may possibly be resolved by the homeowner through some troubleshooting efforts.

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  1. Insert the power cord firmly into a power outlet if the dishwasher is not turning on or starting. Replace the fuse or reset the circuit breaker as necessary. Shut the dishwasher door firmly, select the wash cycle and press "Start" to begin the wash.

  2. Turn off and unplug the Bosch dishwasher if there is water left in the dishwasher tub after cycle completion. Lift out the filters from the bottom of the tub and set aside. Wipe or scoop out the water from the tub and loosen the screw on the waste water pump, located in front of the rotating arm on the bottom of the tub. Lift off the cover and remove any objects that may prevent water from draining properly. Close the cover and tighten the screw. Clean the filters under cold water and reinsert in the dishwasher.

  3. Turn off the water supply and disconnect the water hose if "Check Water Supply" is illuminated. Clean the filter inside the hose and reattach the hose firmly. Straighten the hose and reconnect the water and power.

  4. Adjust items in the racks if the spray arm does not rotate properly or the detergent dispenser does not open. If items are blocking the arm or the dispenser, malfunction may result. Do not overload the dishwasher.

  5. Use automatic dishwasher detergent only if there is excess foam during the cleaning. Use the fill mark in the dispenser to gauge the proper amount of detergent needed. Clean any rinse aid spills with a cloth prior to using the dishwasher, and do not stop the dishwasher during use.

  6. Increase the water temperature used during the wash if items are soiled or have a residue after cleaning. Add sufficient detergent and rinse items prior to washing. Add dishwasher salt, if applicable, to the salt dispenser.

  7. Choose a heated dry if items are still wet when the wash cycle is done. Note that some plastic dishes or utensils may not dry completely even with a heated dry cycle.

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Things You'll Need

  • Screwdriver
  • Dishwasher detergent
  • Rinse aid
  • Dishwasher salt (if applicable)
  • Clean cloths

About the Author

Meredith Jameson writes early childhood parenting and family health articles for various online publications. She holds a Bachelor of Arts in history from San Francisco State University.

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