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Frigidaire dish washer FDB4315LFo Error code uo

Fills then error code UO flashes

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You are experiencing a vent issue - While in wash cycle, Main Control Board does not receive signal from vent assembly that vent plunger is closed. Plunger status is sensed with optical sensor in vent assembly. Check wiring between vent assembly and Main Control Board. If wiring correct, replace vent assembly. If error still exist, replace Main Control Board.

Posted on Sep 05, 2012

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6ya6ya

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Posted on Jan 02, 2017

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Gary Cottle

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SOURCE: getting uo error code on

Mary,

The problem you are having is the vent assembly blower part number 154562802 for 4000 series aquasurge dishwashers by Frigidaire. The service manual will tell you to replace this part but it can be fixed in most cases. This part is located on the top, right back of the tub. You will have to remove the unit from the cab to get access. Remove the part and disconnect the wires. There are two fasteners on the cover of the vent assy unit with the note "Do not remove cover no serviceable parts". Inside you will most likely find the rubber valve clogged up preventing the valve from closing enough for the pickup to break the contacts with the switch board. I would recommend removing the rubber value from the unit by pulling the wire clip pin. Clear the rubber valve and reinstall. Make sure you have the valve in the correct position and reinstall the pin and fan and replace the cover and reinstall the vent assy. You should be good to go for another year or so until the build up needs to be cleaned again. This is a very poor design by Frigidaire.

Good Luck

Posted on Jan 09, 2011

Anonymous

  • 19 Answers

SOURCE: Error code ER then UO any ideas?

uo means that the vent isnt closed

Posted on Apr 29, 2009

Anonymous

  • 1 Answer

SOURCE: Error code ER then UO any ideas?

So far so good. I fixed mine by removing the vent and even though it says no repairable parts I disassembled it then removed the rubber gasket and cleaned it with a brush under hot water. I then cleaned the plastic ring it seals against. Next I removed the spring and stretched it to make it about a quarter inch longer and then reinstalled the spring then the rubber gasket and then closed up the unit. So far it is working fine. I suspect the real problem is that there is a tiny sensor that needs to be covered when the vent is closed. If this is not covered the uo error code is generated.

Posted on Aug 22, 2009

seth adams

  • 1531 Answers

SOURCE: I just installed a new Frigidaire dishwasher.

this is a vent problem you need to check the vent motor and make sure tha the wire have not been pinched by the door spring and make sure it is connected properly.the vent should be located on the top or possibly the right side of the cabinet.

Posted on Feb 07, 2010

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What does code Uo mean on the dishwaher


It is a Vent problem. The vent aids drying at the end of the cycle.

Frigidaire Diswasher ER UO Error code [FIXED] - Appliance Repair ...

forum.partsdr.com > Forum > Appliance Repair Help > Dishwasher Repair
May 25, 2012 - 20 posts - ‎3 authors
The ER UO error code means "Vent Open". On the top back right corner of the dishwasher tub, there is a vent and fan that opens to help dry the ...

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https://removeandreplace.com/.../frigidaire-dishwasher-error-codes-what-to-check-ho... Feb 18, 2016 - The error code will display where the usual numbers are on the display screen. .... Do you have an error code on your Frigidaire dishwasher and need ..... Can you tell me what do you mean by "knockout plug has been removed"? ... Frigidaire dishwasher manual says UO error code is vent assembly error.

Diagnose UO Error Code - Dishwasher - YouTube

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Dec 22, 2016 - Uploaded by Byrd Appliance Specialists
Byrd Appliance Specialists 3825 Gilbert Dr., Ste. 342 Shreveport, LA 71104 www.byrdas.com 318-459-8745 ...

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www.lg.com > Home > Support > Product Help > Help Library Sep 1, 2017 - After 3 attempts to balance, the uE will change to UE, meaning the unit was unable to rebalance the load and requires assistance. To determine ... What does code UE mean on the dishwasher Google Search

Oct 31, 2017 | Dishwashers

1 Answer

E r u o code comes up and a clicking sound occurs


Good Afternoon Jean, thanks for your inquiry!
I understand that your Frigidaire dishwasher is displaying an error code of "E R U O". From the code you provided it sounds like the code is "UO" which means the vent is open. This could be a possible issue with your vent assembly, wiring harness, or control panel. I would suggest checking the vent assembly to assure it is opening and closing. If the vent is working properly I would advise you to perform a reset on your dishwasher and you can do that by flipping the household circuit breaker off for at least ten minutes. If this does not resolve your issue I would recommend having a professional technician out to perform proper repairs. This will prevent you from purchasing unnecessary parts. -Matt

Apr 27, 2015 | Frigidaire Dishwashers

1 Answer

What does the Frididaire dishwasher error code uo mean?


Good Morning Friend, this is Z. Thank you for your question!

Error code UO commonly means that the vent is in an open position. While your Frigidaire dishwasher is in wash cycle, the main control board is not receiving signal from the vent assembly.

Before reaching out to a professional, let's try resetting your dishwasher. This can be done by flipping the household circuit breaker off. It is important to wait approximately ten minutes and then turn on your dishwasher. This often clears most false-error codes. If resetting the power does not correct the issue, a professional will need to check the wiring between the vent assembly and main control board.

Best of luck!

Jul 07, 2014 | Frigidaire Dishwashers

1 Answer

Frigidaire 24 in. FDB4315LFC3 STAINLESS STEEL ERROR CODE UO


Hi Mark, thank you for your post!

Error code UO commonly means that the vent is in an open position. While your Frigidaire dishwasher is in wash cycle, the main control board is not receiving signal from the vent assembly.

Before reaching out to a professional, let's try resetting your dishwasher. This can be done by flipping the household circuit breaker off. It is important to wait approximately ten minutes and then turn your dishwasher on. This often clears most false-error codes. If resetting the power does not correct the issue, a professional will need to check the wiring between the vent assembly and main control board.

Best of luck!

Jan 18, 2014 | Frigidaire 24 in. PLD3465REC Stainless...

1 Answer

Frigidaire dishwasher error code


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.

Jan 19, 2013 | Frigidaire Dishwashers

1 Answer

I just installed a new Frigidaire dishwasher. Took it through 1 cycle as the directions indicate looking for leaks. I now have it full of dishes for its maiden voyage, and I get an Er uo code. Cannot find...


this is a vent problem you need to check the vent motor and make sure tha the wire have not been pinched by the door spring and make sure it is connected properly.the vent should be located on the top or possibly the right side of the cabinet.

Feb 07, 2010 | Dishwashers

9 Answers

Dishwasher er error code


I have a similar problem with my Frigidaire FDB4050LHS1. My Owner's Manual says to contact the Customer Care Center if the display shows "Er", "uF", or "CE". When I called them, Maria didn't have a clue what the codes meant - all she could do was give me phone numbers to authorized service centers in my area.

I managed to get ahold of a "SERVICE DATASHEET" P/N: 154718601. The error code "ER/ER" means there is a "switch failure"; "ER/CE" denotes a "Configuration Error"; "ER/uo" means "Vent will not close"; and "ER/UF" means "Fan not running".

The schematic only labels three switches - labeled "USER INTERFACE SWITCH", "DOOR SWITCH", and "FLOAT SWITCH". There is also a switch in the pump motor assembly. If either the door or user interface switch is faulty, then you probably won't be able to do anything other than call a repair service - unless you know how to replace these switches yourself.

If the float switch is causing the error, you might be able to run the "Water/Service Test". From "PF" (denoting a Power Failure) or idle mode (with no lights on whatsoever), press and hold the "DRY/AIRDRY" and "START/CANCEL" buttons at the same time for 3 seconds. This will start an 8-stage test that runs for about 7 and 1/2 minutes. The display will show which step the test is in until it shows an error code. Step 1 tests the water valve, which is where the float switch is located. If that switch is bad, you will likely see "Uo" displayed within the first minute of the test.

Aug 24, 2008 | Frigidaire 24 in. FDB1050REC Stainless...

2 Answers

Error code


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.

Nov 26, 2007 | Frigidaire 24 in. PLD3465REC Stainless...

21 Answers

Error code ER then UO any ideas?


So far so good. I fixed mine by removing the vent and even though it says no repairable parts I disassembled it then removed the rubber gasket and cleaned it with a brush under hot water. I then cleaned the plastic ring it seals against. Next I removed the spring and stretched it to make it about a quarter inch longer and then reinstalled the spring then the rubber gasket and then closed up the unit. So far it is working fine. I suspect the real problem is that there is a tiny sensor that needs to be covered when the vent is closed. If this is not covered the uo error code is generated.

Apr 22, 2007 | Frigidaire 24 in. PLD3465REC Stainless...

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