Bosch Dishwasher Error Code Er:24

Er:24 indicates that the power supply relay on the control board, which delivers electricity to the inverter and wash motor, has been damaged or is stuck. Bosch classifies this as a fatal error, meaning the dishwasher will not operate until the fault is resolved. The primary repair is replacement of the control board assembly.

No, Er:24 is a fatal hardware error and will not clear with a power reset or button combination. The fault is caused by physical damage to the relay on the control board, so the error will return immediately after any reset attempt. The only way to resolve it is to replace the control board.

The cost to repair Er:24 typically falls in the range of $150 to $400 or more, depending on the specific control board part price for your model and whether you hire a technician or perform the repair yourself. Control board parts alone can range from $80 to $250 depending on the model, with labor adding to the total if a professional is used.

A knowledgeable DIYer with experience in appliance repair can replace the control board, which is the required fix for this error. The repair involves disconnecting the dishwasher from power, accessing the control board, and swapping the assembly after confirming the wiring harness is undamaged. If you are not comfortable working with appliance electronics, a qualified technician should perform the repair.

No, the dishwasher has locked itself out and will not run while displaying Er:24. You should not attempt to force it to operate. The error indicates an internal electrical component has failed, and running the machine in this condition is not possible and could cause further damage.