Bosch dishwasher error code h02

Bosch dishwasher error code h02

When it comes to Bosch dishwashers, their efficiency and durability are undeniable. However, like all machines, they may encounter certain issues over their lifespan, and one such issue is the appearance of error codes. A frequent query from many Bosch dishwasher owners is about the error code h02. In this article, we’re going to delve into this problem, unravel its cause, potential solutions, and preventive measures to ensure a longer lifespan for your appliance.

Understanding the Error Code h02

Firstly, it’s essential to understand what the error code h02 signifies. Bosch’s dishwasher error codes serve as a diagnostic system for the appliance. The error code h02 typically indicates a delay in the wash cycle. More specifically, it signals that the dishwasher is scheduled to start after two hours. This isn’t so much an error code but a programmed delay in starting the wash cycle.

What Causes the h02 Error Code?

The primary cause for this error code is an accidental push of the delay button, which sets off the wash cycle to start after a specific duration, with the maximum being 24 hours. h02, in particular, means that the dishwasher is set to start two hours later.

Troubleshooting the h02 Error Code

When you encounter the h02 error code, it might be merely due to accidentally hitting the delay start button. The troubleshooting process is simple. Here’s what you can do:

  1. Canceling the Delay Start: First, you can try to cancel the delay start. Most Bosch dishwashers allow you to do this by holding the “Delay” button for about three seconds.
  2. Power Cycling the Dishwasher: If the first method doesn’t resolve the issue, you can try power cycling your dishwasher. Disconnect the dishwasher from the power source for a few minutes, then reconnect it. This can often reset the control panel and clear the error code.
  3. Checking the User Manual: If the issue persists, it’s always a good idea to check your dishwasher’s user manual. Bosch’s manuals usually provide a comprehensive guide to understanding error codes and potential solutions.

Preventive Measures and Maintenance Tips

To prevent the appearance of the h02 error code, it’s crucial to handle your dishwasher carefully. Accidental pressing of buttons can lead to unintended consequences like delayed washing. If children are present in your home, it might be a good idea to activate the child lock feature on your dishwasher, which can prevent any inadvertent button presses.

Regular maintenance of your Bosch dishwasher can also help keep it in good shape and prevent many error codes. Here are some tips:

  1. Regular Cleaning: Regularly clean the filter and spray arms of your dishwasher. This not only helps maintain the dishwasher’s performance but can also prevent error codes related to blockages or reduced washing efficiency.
  2. Checking the Dishwasher Seals: The door seal of your dishwasher should always be in good condition. Any wear and tear could cause leaks and subsequently trigger an error code.
  3. Proper Loading: Overloading or improper loading of the dishwasher can lead to numerous problems. Always ensure that dishes are loaded correctly and that they do not obstruct the spray arms.
  4. Use of Proper Detergents: Use detergents that are suitable for your water type (hard or soft). Wrong detergents can lead to less efficient washing and potential error codes.
  5. Periodic Professional Maintenance: Despite your best efforts, professional maintenance is always a good idea. A periodic professional check-up can help identify and fix potential problems before they escalate.


In conclusion, the Bosch dishwasher error code h02 is not necessarily a sign of a malfunction but could simply indicate a delay in the wash cycle start. However, understanding this and other error codes is essential for proper appliance maintenance and longevity. Regular care and preventive measures can help keep your dishwasher in optimal condition and minimize the risk of errors. If you ever find yourself unsure, don’t hesitate to refer to the user manual or contact a professional.