There is a little motor, or mechanism, that should be activated, this either it has faulted or the drive has faulted or the Microprocessor that "Tells" the driver to drive is faulty, you simply have to test and isolate the exact cause, sometimes also it can get gunked up and requires a clean, Please get your service manual below, have a look at the troubleshooting steps and attempt to locate the cause. http://appliancejunk.com/forums/index.php?topic=2933.0
Also below, is a DIY link to assist you along with the manual to locate and hopefully repair your unit. http://www.acmehowto.com/howto/appliance/dishwasher/dishwasher.php However as usual if you do not wish to DIY, please call a registered service center and ask them for a "Quote" for the repair when they call.
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There is a little motor, or mechanism, that should be activated, this either it has faulted or the drive has faulted or the Microprocessor that "Tells" the driver to drive is faulty, you simply have to test and isolate the exact cause, sometimes also it can get gunked up and requires a clean, Please get your service manual below, have a look at the troubleshooting steps and attempt to locate the cause.
http://appliancejunk.com/forums/index.php?topic=2933.0
Also below, is a DIY link to assist you along with the manual to locate and hopefully repair your unit.
http://www.acmehowto.com/howto/appliance/dishwasher/dishwasher.php
However as usual if you do not wish to DIY, please call a registered service center and ask them for a "Quote" for the repair when they call.