Error E31 Dishwasher Bosch

What is the fault of Bosch error E31 affecting your dishwasher?

Are you having trouble heating water in your Bosch dishwasher, and the Error Code E31 has appeared on the screen? Don't worry, today we will explain what this error means, its possible causes, and how you can resolve it easily, quickly, and safely.

The E31 error code on your Bosch dishwasher indicates a problem with the heat pump of the appliance. The heat pump is responsible for heating the water and maintaining the appropriate temperature during the wash cycle. If the heat pump fails, the dishwasher cannot function correctly and stops, displaying the E31 error code on its screen.

There are several reasons why this fault may occur in our beloved dishwasher, which we will list for you below:

• The temperature sensor is dirty or faulty: The temperature sensor measures the water temperature and sends the information to the heat pump. If the sensor is damaged or has dirt residue, it may send incorrect signals or no signals at all, causing the heat pump to malfunction.
• The heat pump is blocked or damaged: The heat pump may experience internal malfunctions or have foreign objects preventing its proper operation. This can lead to the heat pump not heating the water or overheating and shutting off for safety reasons.
• The wiring or PCB electronic board is damaged: Wiring and the electronic board are responsible for transmitting electrical current and commands between the temperature sensor, heat pump, and the control panel. If any of these components are broken, damaged, poorly connected, or loose, there may be poor communication or a short circuit affecting the dishwasher's operation.

Fortunately, this Error Code E31 on your Bosch dishwasher doesn't mean it's time to throw the appliance in the trash. Indeed, this problem has a solution, so keep reading to find out how to resolve this issue affecting your precious dishwasher.

How to fix Bosch dishwasher error E31?

Next, we are going to leave you here the possible solutions for the error code E31 that affects your dishwasher. The good news is that you could apply most of these solutions yourself, however, if you see that things are getting difficult then we recommend that you go to technical support to help you:

1. Restart the dishwasher to reset the sensors: Sometimes, the E31 error code can be a temporary glitch that is simply resolved by turning off and on the dishwasher. To do this, disconnect the dishwasher from the power source for a few minutes and then reconnect it. Check if the error has disappeared and if the dishwasher is functioning normally.
2. Clean or replace the temperature sensor in your dishwasher: If the temperature sensor is dirty, you can try cleaning it with a damp cloth and a bit of vinegar. If it is faulty, you'll need to replace it with a new one. The temperature sensor is typically located at the bottom of the dishwasher, near the heat pump. To access it, you'll need to remove the bottom panel of the dishwasher and disconnect the cables connecting it to the electronic board.
3. Inspect or replace the heat pump in your dishwasher: If the heat pump is blocked or damaged, you'll need to repair it or replace it with a new one. The heat pump is usually situated at the back of the dishwasher, below the drum. To access it, you'll need to remove the back panel of the dishwasher and disconnect the cables connecting it to the electronic board and the temperature sensor. Use a multimeter for assistance in this task.
4. Check or replace the wiring or the PCB electronic board: If the wiring or electronic board is damaged, you'll need to verify them with a multimeter or replace them with new ones. The wiring is usually distributed throughout the interior of the dishwasher, while the electronic board is typically housed in the front panel of the dishwasher, behind the control panel. To access them, you'll need to remove the corresponding panels of the dishwasher and disconnect the cables connecting them to each other and to the other components.
5. Repeat all the above steps if the problem persists: Make sure to follow all the steps precisely and not overlook anything. If after trying all the above solutions, the E31 error code continues to appear, there may be a more complex issue that requires a more thorough inspection or the expertise of a qualified technician for this task.
6. Seek Bosch technical support to resolve the issue: If none of the above solutions work, or if you don't feel confident in performing them yourself, it's best to contact the official Bosch technical support so that a qualified professional can inspect and repair your dishwasher. We are confident that Bosch's technical support has the knowledge and necessary tools to find an appropriate solution to your problem.

In summary, the E31 error code means that there is an issue with the heat pump of your Bosch dishwasher. Possible causes include a faulty or dirty temperature sensor, a damaged or blocked heat pump, or damaged wiring or electronic board. The possible solutions are as follows:

• Restart the dishwasher to reset the sensors
• Clean or replace the temperature sensor in your dishwasher
• Inspect or replace the heat pump in your dishwasher
• Check or replace the wiring or the PCB electronic board
• Repeat all the above steps if the problem persists
• Seek Bosch technical support to resolve the issue

And that's it! As mentioned earlier, you have nothing to worry about because this E31 error code on your Bosch dishwasher has a solution. We hope this information has been very helpful, and you have been able to resolve this issue on your own. Good luck and happy washing!