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Bosch Dishwasher runs continuously

Bosch Model number SHU4306 UC/U06

I am at a loss with my dishwasher. For awhile I thought I had the problem fixed, which was the unit ran for up to 3 hours, after I re soldier a part on the control panel of whatever the part is called. It seemed like the fix was good for a few months, but now the unit runs forever. Please help me with step by step troubleshooting tips. I called a Bosch repairman a few weeks back to inquire about the fix, and they charge $99 for the visit, plus an additional $$ for every 15 minutes they were at my house. Seemed extreme plus I prefer fixing things on my own if I have the know how...which in this case..I do not. Please help.

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Dishwashers , Appliances
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4 Answers from these members:
Sam A
Thank you for the update on the dishwasher operation.

From what you just described it both of these sound normal.

You are right in that the wash cycle takes 60 minutes.

The rinse and dry cycle could take that long because this dishwasher has only a flow through heater that works when it is washing and does not have a we would consider a regular drying type heater at the bottom on the tank. It does a condensing type drying which takes much longer.

If you do not want it to run that long you could open the door after the wash or rinse cycle is done and let them air dry.

From the information I know have it sounds like it is operating normally for a Bosch dishwasher.

Sam A.
by Sam A Earned 707 community points in Appliances
September 26th, 2011
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Manage My Life
Thanks Sam,

In response to your question, Does your control count down to 1 and then just sit there and does not finish? My dishwasher does not have a visible timer. It cycles thru wash, rinse/dry, and clean. These cycles are only marked by a red light above each cycle. It seems as if the wash cycle takes 60 min (which seems OK), but the rinse/dry cycle lasting upwards of 120 minutes. Does this change how I should troubleshoot?
by Manage My Life
September 23rd, 2011
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Sam A
Thank you for your question on the dishwasher.

Does you control count down to 1 and then just sit there and does not finish?

If it does it could be a heater problem.

There is one red wire on the control that sends 120 volts down to the heater and if you put in the quick wash cycle it will get to the point where it turns on the heater.

If you do not have 120 volt going to heater then the control is bad.

If you do have 120 volts to the heater then the heater is bad.

If you discover it is the flow through heater problem then you will need to change out heater with the part number of: 264462.

The problem you are going to incur is that you will have to take the dishwasher out of the hole and then remove tank out of the base.

This is not a job for the faint of heart.

But it is not hard it is just time consuming so you do not really what to have to have the Bosch technician do this. It will end up costing more than the dishwasher is worth.

I hope this will help and please let me know how it goes with the problem and we can continue troubleshooting if needed.

Sam A.
by Sam A Earned 707 community points in Appliances
September 23rd, 2011
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Joseph Perez
Having a dishwasher that is running non stops sounds like a waste of electricity. I am adding a link below that will provide you with some information about what may be causing the problem on your unit. I hope this helps while you wait for your expert answer.
by Joseph Perez Earned 1,551 community points in Appliances
September 20th, 2011
Answered in 7 minutes
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