Originally Posted by goldbryant
A certain kind of detergent would cause the arms not to rotate? The water squirts through, but not with enough force to cause them to move. Are you saying some detergents will foam and block that force?
We have town water, so adjusted to normal hardness. We don't use rinse agent. We have never needed it.
Just to add my 2 cents...
Your dishwasher is very similar to most of Whirlpool designed dishwashers.
You may want to check the chopper assembly (#6 on the diagram
). If it's clogged or damaged, the pump will never create a sufficient pressure in the system.
You can find much more useful information in one of our previous threads: whirlpool dishwasher
Here are the breakdown diagrams and Replacement parts for MAYTAG MDB6769AWW1 UNDERCOUNTER DISHWASHER | AppliancePartsPros.com