Question about Frigidaire 24 in. FDB635RF Built-in Dishwasher

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Er uo message on display of frigidaire dishwasher fdb4050lhb1

Brand new not 2 months old just started last week doing this

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  • Anonymous Apr 25, 2009

    I have the same problem - Dishwasher 4 months old - ER UO error. What do you do?

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6 Suggested Answers

SOURCE: Frigidaire PLD3465REC dishwasher error??

Hi, I am having the same problem you describe above with the model nr PLD3460RDC1. Were you able to find out what it was? Thanks so much!

Posted on Aug 18, 2006

  • 3 Answers

SOURCE: 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.

Posted on Dec 29, 2007

  • 1 Answer

SOURCE: Error code ER then UO any ideas?

The vent fan on the top right hand side at the back of the dishwasher, has wires coming down the side. The wires were not conected they had to be plugged in. The Er uo code stopped flashing and the dishwasher started working.

Posted on Oct 11, 2008

  • 1 Answer

SOURCE: Error Message 'Er' on frigidaire dishwasher

I had the same problem. I pressed the "Start Cancel" button, kept it down, then pressed "Rinse Only" button. The display then went clear. I pressed "Start Cancel" again, then "83" showed up on the display. I let it run its cycle, then it corrected itself. A little scary, but it worked. This answer board is great!

Posted on Feb 22, 2009

  • 2 Answers

SOURCE: 6 mo. old frigidaire d/w displays the "ER clean S" flashing error

Probably a control panel failure. This unit does not ventfrom the front like most do, so there needs to be some clearance above the top of the tub to avoid blocking the vent fan, otherwise moisture gets trapped in the machine and works it's way into the control panel eventually.

Posted on Apr 08, 2009

  • 2 Answers

SOURCE: our 6 month old frigidaire

My unit has the same problem and it is due to a failure of the control board. The tech that came to look at it tells me that this unit vents from the top of the tub rather than from the front, and he claims that the installation instructions require a 1" gap between the top of the tub and the countertop.

Now I have found no such information in the installation manual that I downloaded, and I am skeptical that a 1" gap could be done, and if it could it wouldn't look to good.

I am going to pull my unit out and see exactly where the vent fan is and what the clearance is. The service tech says they can't replace the control panel until the installation is proper. I am thinking this is at least to some extent a design flaw with this machine. There seem to be a lot of reports of this failure.


Posted on Apr 08, 2009

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1 Answer

Message "er" and "uo" on front panel and slight bumping noise


The UO code on most Frigidaire dishwashers means that the vent at the back of the dishwasher is open (or at least the sensor is claiming it is open). Since this vent should be closed except during the drying cycle, the unit will not start. This avoids having the washer spray water into your cabinet during the wash cycle.

The vent sensor is an optical sensor that is inside the vent assembly. So there are a few places that could fail causing the error. First check the wiring and the connectors for the wires between the vent and the CCU (main control board). If there are any broken wires or corrosion the message may not be reaching the control board. Replace any faulty wiring. If the wiring is fine, try replacing the vent assembly. On some Frigidaire models, the wiring and the vent assembly need to be replaced at the same time. If that doesn't solve the problem then the control board needs to be replaced.

Please note: when I look at the parts for the FDB1050REC0, I found a static dryer vent, http://www.appliancepartspros.com/frigidaire-static-dry-vent-154433001-ap3214620.html . Please make sure that you are buying the parts for the correct model dishwasher.

I hope this helps.

Cindy Wells

Dec 17, 2013 | Frigidaire 24 in. FDB1050REC Stainless...

1 Answer

Model number FDB4050LHB1, is very loud when operating and does not dispense cleaning tablets or liquid, cycles through but does not clean, and cleaning tablet or liquid still in door, tablet door will not...


Hi,
There are three common problems that cause the Soap Dispenser or Cup not toopen. I have a tip that will explain these problems in detail....

Dishwasher Repair Problem Detergent Cup does not Open

heatman101

Nov 28, 2010 | Frigidaire 24 in. FDB635RF Built-in...

1 Answer

I have the error message ER uo, I can't find the owners manual and have tried unplugging the unit to see if the vent will close on its own.


Hi,
This error is mainly due to control panel failure. This unit does not ventfrom the front like most do, so there needs to be some clearance above the top of the tub to avoid blocking the vent fan, otherwise moisture gets trapped in the machine and works it's way into the control panel eventually.

Thank you!!

Jul 18, 2010 | Frigidaire 24 in. FDB1050REC Stainless...

1 Answer

Frigidaire = Garbage


go with a kenmore reasonable price ....work very well and sears is very good re their appliances per warranty

Aug 23, 2009 | Frigidaire 24 in. PLD3465REC Stainless...

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...

3 Answers

Er message on panel of Frigidaire GLD3450RD


I had the same problem last spring. Unfortnuatly, the problem is within the electronic control. Steam leaks in, due to an improper seal ring. Humidity stay in the compartment and eventually, the contact on the wire ribbon corrodes. For me, it meant a new electronic module.

If the eletronic module is ok, then the only working solution require that you order and install a "fit kit" from Frigidaire.

Some models even have a recall made form Frigidaire. Better check with them.

Good luck!

Nov 15, 2007 | Frigidaire 24 in. GLD3450RD Built-in...

20 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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