Question about Frigidaire 24 in. PLD3465REC Stainless Steel Built-in Dishwasher
We had the same problem with our Frigidaire dishwasher (different model though). We called them and they said the UO stands for Vent Open (the display can't make a V so it makes a U). The active vent was not closing when it should be closed (the repairman said the gasket was stuck up in the assembly so sometimes it would seal and sometimes it wouldn't) and thus the error. Since our machine was still under warranty, we had the vent replaced at no cost and haven't had the problem since.
Posted on Dec 29, 2007
Our is brand new as well is this a vent that we fix or do we have to wait for repair man?
Posted on Oct 26, 2008
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Oct 31, 2017 | Dishwashers
Hello Teresa Ann - Typically error code UO indicates that while the dishwasher is in wash cycle, the main control board is not receiving signal from the vent assembly and that the vent plunger is in a closed position. A professional will need to check the wiring between both parts and depending from the results either part may need replacing.
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