Question about Maytag Neptune FAV6800AW Top Load Washer

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UC code on my Maytag Neptune Washer FAV6800WW

I have replaced the clutch on my Neptune Washer (FAV6800AWW) and I steal have the uC code. What you think I need to do?

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I would not rush out and buy a Motor Controller just yet. I can’t see any technical reason that would link the Motor Controller to dc/UC error codes related to unbalance condition you experiencing but I could be out in left field. Can you elaborate on your clutch work? New clutch assembly installed ie new clutch pulley, what I call the Spinner Shaft coupler as seen in my clutch repair/replacement post. Did you replace the upper oneway roller clutch bearing if used and the clutch pulley mounted oneway roller clutch bearing? I assume the wash tub is banging around before throwing the UC or dc error can you let me know If you are not throwing dc/UC errors associated with large tub swings? Could you lift the top of the washer and with an empty wash basket start a Spin Only cycle and watch the tumblers closely at the start of the spin cycle. The tumblers should rotate a very small amount as the large wrap spring comes under tension in the clutch pulley with the CCW spin rotation of the wash basket. Those tumblers should not rotate more than 1/8 of a turn as the wash basket starts the spin cycle with CCW rotation. Can you verify the tumbler rotation action for me as spin cycle starts?
Did you check the Tub Displacement Sensor? It’s in the Service Manual. If you haven’t can you give this a quick check?
3.0 Tub Displacement Sensor Diagnostics check.


It is possible the Tub Displacement Sensor may have failed try this check which is in the Troubleshooting guide stored in your washer console or refer to the SM.

3a. Enter the Service Mode by pressing and holding the Enviro Plus and Spin Only keys for three seconds or the display reads “00”


3b. Press the Super Wash key display reads “in”…something like that.


3c. Press Delicates the Display will show “UC” (Unbalance Closed).


3d. Push tub to the back right corner of the machine the display should change to “UO” (Unbalance open). Release tub and the display will show “UC” (Unbalance Closed).


3e. Press Hand Wash.


3f. Pull tub to the front left corner while pushing the tub down the display should change to “UO” (Unbalance open). If you get these results your Tub Displacement sensor should be OK and I believe it’s not the component failure producing dc/UC errors in spin cycle. I would remove the clutch for inspection and re-lube. There is a more technical troubleshooting method to check Tub Displacement Sensor in the Troubleshooting guide and Service manual.

Let me know if I can help. Rich

Posted on Jun 19, 2009

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HI. this uc code represents a no spin state of the unit. this is caused by a faulty Motor control assembly. you will need to replace the Motor control assembly. this will fix this issue and, restore the normal actions of the unit.

This Motor control assembly will cost about $219.00.

Posted on Jun 18, 2009

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SOURCE: uC code on may Maytag Neptune Washer FAV6800WW

Continuous Unbalanced Circuit. Improper signal from Tub Displacement Sensor.
Wet Clothes • Very small clothes loads can cause unbalanced loads - add additional towels. • Excessive suds may have been present. • Check Tub Displacement Sensor connection and main harness connector at machine control board. • Check Tub Displacement Sensor for 0 to 3.0 Volts DC output voltage between ground and the board input. Check for 12 Volts DC input voltage between the ground and the board output. Only check for voltage at the Tub Displacement Sensor. Do not perform a continuity check. See Tub Displacement Diagnostics • Excessive motion was detected in spin Run Quick Spin Test with an empty tub to check Tub Displacement Sensor and machine control board. • Check for restricted drain system.

Posted on Jun 18, 2009

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2 Answers

Maytag neptune top load washer will not spin out with small loads, large loads are fine. I get the DC error at about 10 mins left in spin cycle. No amount of shifting load will solve problem


This is a Clutch issue could be a easy fix if the Tub Seal is not the root cause.

If you get no help at this forum Google This ""Neptune TL Washer FAV6800AWW""

5th post down you will find the SM and support for the "DC and UC" unbalance error codes. Good luck..............DH1200s

Aug 20, 2011 | Maytag Neptune FAV6800AW Top Load Washer

1 Answer

Fav6800aww machine wont stay balanced move the clothes around it starts back up for about one minute then stops code comes up dc thanks earl


Google this; Neptune TL Washer FAV6800AWW

This is a DIY Appliance repair forum and you can get the Service Manual and repair support at that site..

In the Sticky: Neptune TL Washer FAV6800AWW 5 post down you will find a link to the Service Manual. You absolutely need the Service Manual to DIY issues with the machine. It's not the best SM but will get you started. I also have repair post in that sticky to help with the most common issues that I have helped owners with. I'm an owner of a FAV6800AWW top load machine.

In that Sticky I discuss what is the cause of DC or UC unbalance errors and the fix.

Apr 14, 2011 | Maytag Neptune FAV6800AW Top Load Washer

1 Answer

Washer want pump out all the water and it will not go in the spin cycle, and it cut off display UC Code


Google this Neptune TL Washer FAV6800AWW

5th post down in the sticky you will find my service notes to get you back in service.

Mar 10, 2011 | Maytag Neptune FAV6800AW Top Load Washer

1 Answer

Will not spin out Stop at 11 minutes


More than likley a Clutch issue. I don't post here very often and is difficult to fin my post. This is not a true DIY forum. I found my old link the other day Clutch Fix

You can't get the Service Manual from this site anymore. Servicematers.com has locked down the site.

Google "Sticky: Neptune TL Washer FAV6800AWW"

Go to the 5 post in this sticky and you will find a link to the FAV6800A/FAV9800A SM and my write up on dc/UC unbalance error codes.



If you need additional help don't post in the Sticky just start a new post and I will help you.

Feb 05, 2011 | Maytag Neptune FAV6800AW Top Load Washer

1 Answer

My washer has a uC fault. I replaced the tub sensor but it still alarms after spinning. The water drains, the tub spins slow, then alarms uC. Thank you for your help.


Dave,

Sorry you replaced the TDS.

Google Neptune TL Washer FAV6800AWW that's the Sticky for your machine type. The 5th post down you will find notes to repair.

Post a new thread in that DIY forum not the Stick if you need additional help.

Feb 03, 2011 | Maytag Neptune FAV6800AW Top Load Washer

1 Answer

Neptune top load washer model # fav6800aww will not drain and spin if anything is in it, remove all articles and it will drain and spin


Are yiy failing in Spin Cycle wuth dC or uC error codes?

If so see if this post Clutch Fix. There is a link to the SM.....D*ick

Sep 18, 2010 | Maytag Neptune FAV6800AW Top Load Washer

1 Answer

I Have a Neptune HE TL fav6800aww and it keeps giving me the DC error code which i understand is a balance code but i emptied the washer and ran it and still get the code?


hris,

The FAV9800AW the dc/UC errors are caused by a clutch malfunction.

Your machine is shutting down with those errors so your Tub Displacement Sensor is working as designed.

Fix the Clutch malfunction and you can wash a single sock or a load of blue jeans and you will not take the dc or UC unbalance errors. See this post for the fix.

It is a tight work area but if you are handy you can get away with a re-lube of the One-Way rollre clutches in the clutch pully you could be working today. If you need to replace tthe clutch I recommend a $60 clutch. Call in a repair service and you are looking at around $300. I will help you thru the process.


Post back if you have questions or need help.

Rich

Oct 11, 2009 | Maytag Neptune FAV6800AW Top Load Washer

1 Answer

UC code on may Maytag Neptune Washer FAV6800WW


Continuous Unbalanced Circuit. Improper signal from Tub Displacement Sensor.
Wet Clothes • Very small clothes loads can cause unbalanced loads - add additional towels. • Excessive suds may have been present. • Check Tub Displacement Sensor connection and main harness connector at machine control board. • Check Tub Displacement Sensor for 0 to 3.0 Volts DC output voltage between ground and the board input. Check for 12 Volts DC input voltage between the ground and the board output. Only check for voltage at the Tub Displacement Sensor. Do not perform a continuity check. See Tub Displacement Diagnostics • Excessive motion was detected in spin Run Quick Spin Test with an empty tub to check Tub Displacement Sensor and machine control board. • Check for restricted drain system.

Jun 18, 2009 | Maytag Neptune MAH5500B Front Load Washer

1 Answer

POS Neptune Washer


What is the problem? My FAV6800AWW had DC/UC error code problem in spin mode. Lubed the clutch needle bearings and this fixed the issue. This was fairly easy fix, just very tight working area. If this is your problem I will give you the details. Washer was purchased in 7/05 this is a common issue with this washer.

Service manual is recommended for us rookies. I found one on line or I believe it can be requested from Maytag.

Dec 08, 2008 | Maytag Neptune FAV6800AW Top Load Washer

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