Bosch dishwasher not turning on

Common reasons your Bosch dishwasher is not turning on

The most common reasons your Bosch dishwasher is not turning on are a defective electronic control board, damaged user interface control or a damaged power supply board.

  • 43%

    43% of the time it's the
    Electronic Control Board

  • 21%

    21% of the time it's the
    User Interface Control

  • 9%

    9% of the time it's the
    Power Supply Board

  • 27%

    27% of the time it's the
    Something else

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Most common repairs needed to fix a Bosch dishwasher

Electronic Control Board Replacement

A dishwasher that won’t turn on could have a defective electronic control board. The control board will freeze up and fail to power up the control panel when its internal memory and logic is corrupted. A failed internal electronic relay or bad electronic part on the circuit board could be causing the control board to freeze up and not continue working properly. Determining whether a control board is defective is difficult. Have a Sears Home Services technician diagnose and repair your dishwasher when it won’t turn on.

User Interface Control Replacement

When your dishwasher is not turning on, a damaged user interface control could be causing the problem. The user interface control connects to the electronic control board through a wire harness and sends signals to the control board to help control the dishwashing cycle. A bad power key on the user interface control can prevent the dishwasher from powering up. Also, a stuck key on the user interface control can cause the electronic control board to stop the cycle and the dishwasher won’t work until the damaged user interface control is fixed. Have a Sears Home Services Repair Expert visit your home and replace the user interface control if it’s damaged.

Power Supply Board Replacement

When your dishwasher is not turning on, a damaged power supply board could be causing the problem. The power cord connects directly to the power supply board and the power supply board sends power to the electronic control board to power up and operate the dishwasher. When your dishwasher is completely dead and it is getting power through the power cord, you’ll need to have a Sears Home Services Technician check out the power supply board and replace it if it’s damaged.

What to expect when you experience a Bosch dishwasher not turning on issue

How is the not turning on problem fixed?

Correcting most not turning on problems usually involves replacing the electronic control board, user interface control or power supply board. However, there are many potential causes, so a thorough diagnosis is key to fixing the problem. An accurate diagnosis is essential to understanding how much the repair will be.

Why is my Bosch dishwasher suddenly not turning on?

Several different problems can prevent your Bosch dishwasher to suddenly stop turning on.

A tripped house circuit breaker or problem with the power supply going to the dishwasher are 2 of the most prevalent failures causing lack of power to your dishwasher.

A wiring failure or bad electronic control board are other common issues suddenly preventing a Bosch dishwasher from powering up. A problem with the door latch will prevent the control panel from lighting up.

bosch-dishwasher-not-turning-on-troubleshooting

Follow your Bosch owner’s manual troubleshooting tips

First, follow the troubleshooting tips provided in the owner’s manual for your Bosch dishwasher (shown above).

Check the dishwasher power supply

If your Bosch dishwasher has a power cord that plugs into an electrical outlet under your kitchen sink, make sure the power cord is fully plugged in. If it is, check the outlet for electrical power by plugging in a night light or other small electrical item into the outlet. If the night light works, you know that the outlet has electrical power.

If the electrical outlet is dead, reset the house circuit breaker for that outlet and test it again. If the outlet is still dead after resetting the house circuit breaker, have an electrician repair that electrical outlet.

If the outlet works after resetting the breaker, plug the dishwasher back in to see if it powers up. If it does, then you’ve fixed the problem.

If the power cord going to your Bosch dishwasher is hard wired to the junction box, reset the house circuit breaker if it’s tripped. If the dishwasher won’t power up after resetting the house circuit breaker, schedule dishwasher repair service to have a technician examine and repair your Bosch dishwasher.

Check that the door is closing and engaging the door latch properly

Push in firmly on the dishwasher door to make sure that it is fully shut.

If you don’t hear a click indicating that the door strike is engaging the latch properly, then you’ll likely need to schedule service to have the door and/or door latch repaired.

Sears Home Services recommendations for a dishwasher that is not turning on

When the dishwasher is not turning on it can be for many reasons. To avoid replacing unneeded parts we recommend having a Sears Home Services professional perform diagnostic tests to identify the root cause of the problem. Our technicians are experienced at diagnosing all types of dishwasher failures.

What to look out for with a dishwasher not turning on diagnosis

Diagnosing modern appliances without proper knowledge and training can be difficult. Without using proper diagnostic techniques, fixing your dishwasher problem will only be achieved through changing parts on a hunch. Appliances, especially in the last 10 years, have become extremely advanced, and many models have electronic parts that are difficult to test. DIY repairs on the latest appliance models are becoming increasingly difficult.

Zero power in your Bosch dishwasher often involves a tripped fuse or dead electronic board. Flicking the breaker isn’t enough if the core component has fried. Instead of losing automatic dish duty, let a dishwasher repair near me expert investigate. Restoring power keeps your cleanups on schedule.

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!


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Daniel

Daniel went above and beyond to fix my dish washer. Very pleasant to deal with.


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Frequently Asked Questions

Why is my Bosch dishwasher completely unresponsive?
Power supply issues, a tripped breaker, wiring failure or a defective control board frequently cause no power. Double-check the breaker and ensure the dishwasher is plugged in.
How do I confirm the dishwasher has power?
Plug a nightlight or small appliance into the dishwasher's electrical outlet to see if it’s working. Unplug the dishwasher and inspect the power cord for damage.
Can a broken door switch or latch disable the power?
No. If the switch doesn’t detect the door as closed, the cycle won't start but the dishwasher will still get power. Test and replace the switch if it lacks continuity and is preventing the cycle from starting.
When should I seek expert help for a Bosch dishwasher that won’t turn on?
If power is available but the dishwasher remains dead, a faulty control board or wiring harness may be at fault. A professional can diagnose and repair these complex components.

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Glossary Terms

A dishwasher turbidity sensor is an advanced feature that measures the level of food particles and debris in the water, allowing the dishwasher to adjust the wash cycle length and water usage for optimal cleaning efficiency.

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.

An astragal is a molding or strip that covers or seals the gap between the edges of a pair of doors or windows. Its primary functions are to provide a weather seal, improve security, and improve the aesthetic appearance of door and window assemblies.

A dryer drum is the main interior component of a clothes dryer where clothes are placed to be dried. It rotates during the drying cycle, allowing heated air to circulate through the clothes.

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