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this could mean there is water leak and it collects at the base of the dishwasher leading to moisture detection circuit tripping. when you leave it for a few days the water dries up and trip is removed. check door seals for leak most likely at the base of the door. turn power off when working on dishwasher.
I don't know how old this dishwasher is but the symptom your describing sounds like the ceramic water seal on the bottom of the impeller assy but above the motor has failed. When the seal fails it allows water to run though the motor and then the bearings in the motor fail. Once water starts running though a dishwasher motor they are pretty much shot. The reason for this is that the leak starts out slow and it leaks for a long period before you ever see the water under the dishwasher. So by the time you see the leak water has been going through the pump / motor assy for weeks or months. By that time the service technicians only option is to replace the motor pump assy.
I've got a 4306, and while it never leaked, the bottom door gasket did seem to chemically melt over the years.
I replaced it a few months ago. I don't know that a steam vent is needed as the gasketing system never allows any steam pressure to build. And, if anything, in general, the gaskets are in worse shape now than when the dishwasher was new, so leakage due to steam pressure would have been greater when new.
Thanks for using FixYa. If you
have nuisance water leaks around the base of your dishwasher, you may be using
a detergent that is causing too much suds. Cut back on the amount of detergent
you use, and see if that makes a difference. Water that spills through the door
vent is usually caused by improperly loading dishes. Leaks from the door itself
may be caused by a faulty door gasket or door tightness adjustment. you should
check the main tub seal, the door latch, the door gasket, the water-inlet valve,
and the fill and drain hoses.
Also make sure the dishwasher is sitting level (you can adjust the front feet
up or down, and many units have some type of levelers at the rear).
Water under the dishwasher may be originating from a leaky hose or loose hose
connection. Remove the lower front panel, and check the hoses. The pump seal
may be defective, too; replacing this is a job for an appliance repairperson.
An older dishwasher may corrode at the bottom, but this is fairly uncommon. If
this is the case with your dishwasher, it's time for a new one.
Please do rate the solution if the issue is resolved or
else revert for further assistance.
More than the door seal, check the water level is not stuck down or sinking. If the appliance is leaking from the door, this is often because of overfilling. If the machine is not overfilling, then replace the door seal.
Enter the model number on one of two websites below to get parts and diagrams for your appliance:
I had the same problem. On the right side of the tank in Bosch dishwashers there is a steam port. If you place a large object in the right hand edge of the tray, a pressure build up causes the leak. Put large stuff on the left and you should be good to go!