So, when you’ve loaded the dishwasher with your plates and cups and begin the washing cycle, the control board will then supply power to all the different components at the correct times. Together, these components control and coordinate every action that the dishwasher takes, based on the settings you’ve chosen. It’s a small printed circuit board that has plenty of electrical and electronic components on it. The control board is the ‘brain’ of your entire Bosch dishwasher. To do this, you might first need to remove the front and bottom panels, depending on your Bosch dishwasher model and its design. You’ll need to disconnect it from its electrical connectors. Checking continuity on Bosch Dishwasher heating element If you have infinite reading, the heater is burnt out. The resistance between the center and right contacts on the connector should be around 20 Ohms for European models and 10 Ohms for North American models.
#DISHWASHER CONTROL BOARD TEST MANUAL#
Then, refer to the user manual or technical sheet to locate and identify the heating element. To do that, begin by shutting off the water and power supply to your Bosch dishwasher. The more efficient solution would be to replace it. Generally, heating elements aren’t repaired, especially if they’re burnt. These will show clear signs on the heating element’s surface, helping you troubleshoot the issue much quicker. If you have a multimeter at home, that could be very useful to diagnose the heating element and confirm whether or not it has failed.Ī multimeter will help you test the continuity in the heating element, that is, to ensure that electrical current can indeed flow through the element as it should.īesides that, you can also carefully inspect the heating element inch by inch to look for signs of burning or leaks. That could lead to prolonged water heating and damage to the heating element. Lastly, if you live in an area that has hard water, scaling could occur on the heating element. When that happens, it’s possible for the heating element to overheat, as there’s no water to help absorb that excess heat. That could cause it to short out and burn.īesides that, a clogged drainage filter could cause water to recirculate too slowly inside the dishwasher. In some cases, the heating element may have developed holes that allow water to flow inside. The most common reasons for a burnt out heating element include water that’s found its way into the heater, a clogged drainage filter, or as the result of hard water and scaling. To be precise, that means is that the heating element has burnt out for some reason.
#DISHWASHER CONTROL BOARD TEST CODE#
If the E09 error code is appearing on your dishwasher, it typically means that the heating element has somehow failed. Typically, the heating element helps to heat up the water that’s used to wash the plates, making the entire washing cycle much more effective.īesides that, the heating element also helps to speed up the drying process once the dishes have already been cleaned.Īs part of that, the heat generated by the heating element also helps to kill off any germs and bacteria, thereby sanitising the dishes before you take them out of the machine. The heating element generates heat for several different reasons.
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