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 Posted: Sun Mar 19th, 2006 10:49 pm
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Southern
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I just ran the diagnostics test. C:06 ran for 35 seconds. C:07 ran for about 30 seconds, drain valve still open. C:08 ran for one or two minutes, drain valve still open.

At the end of C:06 the tub should be nearly empty. During C:07 you should hear a little water drain.

You need to determine if your tub is emptying after 35 seconds into C:06. If it is then I would suspect a bad pressure switch or a bad CCU. If it isn't then I would suspect a problem in the drain system (pump, Eco Valve, or drain line).

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 Posted: Sun Mar 19th, 2006 11:30 pm
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AstroRon
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WOW! 35 seconds! :yikes:  C:06 took several minutes before C:07 & C:08 and it was emptied very early (in my opinion) and I said before, I thought it took waaaaay too long for the pump to stop.  It was still running DURING C:07 & C:08!

Someone isn't getting the message. The resistance reading of the pressure switch reflected "EMPTY" even after the "End of Cycle" and showing "SUD". I unplugged and immediately took another pressure switch reading and it was "EMPTY".

Holy Cow! 



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 Posted: Mon Mar 20th, 2006 12:17 am
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Southern
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It is normal for the drain valve to be open for C:07 & C:08. Once the drain valve opens during C:06 it remains open until the end of C:08.

You might want to verify the remaining pressure switches (Suds Detect, Level 1 & Overflow) for 0 ohms. The illustration is on page 5-6.

Also check for continuity between the pressure switch contacts and the terminals on the CCU to eliminate a bad connection as the problem.

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 Posted: Mon Mar 20th, 2006 12:32 am
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Southern
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Southern wrote:
It is normal for the drain valve to be open for C:07 & C:08. Once the drain valve opens during C:06 it remains open until the end of C:08.

You might want to verify the remaining pressure switches (Suds Detect, Level 1 & Overflow) for 0 ohms. The illustration is on page 5-6.

Also check for continuity between the pressure switch contacts and the terminals on the CCU to eliminate a bad connection as the problem.


Note you will only read 0 ohms for the other pressure switches when the water level reaches the proper level. You shouldn't read 0 ohms on the Suds Detect unless a suds condition exists.

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 Posted: Mon Mar 20th, 2006 03:10 am
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AstroRon
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I ran the diagnostics again and timed the cycle from the start of the drain pump cycle.

The water was COMPLETELY DRAINED in 20 seconds!  Tub was empty but the pump continued to run for 2 minutes and 46 seconds before C:07 started.

When the cycle completed and shut down, I disconnected power and measured the Pressure switch. It measured "EMPTY" and there was good continuity between connectors from the pressure switch and CCU. 



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 Posted: Mon Mar 20th, 2006 01:25 pm
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Southern
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Measure the Suds Detect pressure switch (contacts 11 & 14) to verify that the sud detect pressure switch is not giving a false reading. If you measure 0 ohms for the suds detect pressure switch you have a problem with the switch or sensing line.

Also do the same for the Level 1 and Overflow pressure switches. Since the service manual doesn't give the code inside the CCU it is difficult to determine what will happen if more then one pressure switch signal is present at the CCU.

If the pressure switch contacts checks out ok then measure continuity between the contacts on the pressure switch and the CCU to verify that the signals are getting to the CCU.

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 Posted: Mon Mar 20th, 2006 01:45 pm
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AstroRon
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I found a new twist to the problem...

As I was timing the different stages in the wash/rinse cycle, the time remaining clock was slow.  Each minute was actually 1minute and 20 seconds!

My wife said it has been like this for some time now.  She thought it took a long time to da a load.

What now?



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 Posted: Mon Mar 20th, 2006 01:54 pm
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The Seven
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Southern wrote:
I just ran the diagnostics test. C:06 ran for 35 seconds. C:07 ran for about 30 seconds, drain valve still open. C:08 ran for one or two minutes, drain valve still open.


Apparently there is no "drain valve" in this FL.
Perhaps "drain valve still open" means "drain pump still running"?

Last edited on Mon Mar 20th, 2006 02:11 pm by The Seven



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 Posted: Mon Mar 20th, 2006 02:16 pm
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AstroRon
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During this small load, we got a SUD again at the end of the wash cycle.  I paused the machine and took another measurement

It read "EMPTY on the pressure switch!

I started the machine and it continued where it left off. It's in the rinse cycle now.  The machine displayed SUD again.  I paused it and took another reading.

It read "SUD" on the pressure switch this time. 

I started the machine and it continued to the end of the cycle, no code.

I'm thoroughly confused! 



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 Posted: Mon Mar 20th, 2006 02:21 pm
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AstroRon
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Hi Seven,

When I ran the Diagnostic, the pump run time was 2 min & 46 seconds before C:07 started.

Southern said it only took his 35 seconds and yes, the pump ran through 7 & 8.



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 Posted: Mon Mar 20th, 2006 02:58 pm
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The Seven
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AstroRon wrote:
...

It read "EMPTY on the pressure switch!

....

It read "SUD" on the pressure switch this time. 
...
 


Apparently, the pressure switch functions properly on "EMPTY" but NOT on "SUD".
Small amount of suds left in the pressure tubing of the pressure switch may give a false "SUD" alarm to the CPU.

Suggest to deactivate the "Suds Detect" by disconnecting wire 11 or 14 at the Pressure switch.

The FL should run normally even without "Suds Detect".

Without "Suds Detect", the FL will not run "Foams Kill Routine" if there is "Suds". No big deal in most case.

Last edited on Mon Mar 20th, 2006 03:01 pm by The Seven



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 Posted: Mon Mar 20th, 2006 03:56 pm
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AstroRon
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Man,  I've spent hours watching this machine and wonder WHY isn't there more water going into the unit to rinse during Rinse & Spin?  It looks like it dumps some in but not very much. 

Is the water supposed to pour in while the pump is pumping and the drum is rotating  to help rinse?  I can see some "suds" in the pump but it just pumping air and it won't stop...it's like the energizer bunny...just keeps going, etc! More pumping, more air, more suds!  Am I missing something?

Seven, how do you remove the wire from the connector to pin 14?  (or 11)

 



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 Posted: Mon Mar 20th, 2006 04:16 pm
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AstroRon
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I put the machine to Drain & Spin.  Got another SUD leaving 8 minutes left.  The unit can't get to a spin cycle to drain the rest of the water out. It keeps hanging up on SUD!

We just stopped it and removed the towels as it wouldn't get to spin either.

I'm at a loss as what to do.



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 Posted: Mon Mar 20th, 2006 04:32 pm
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Mad Mac
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AstroRon wrote:
As I was timing the different stages in the wash/rinse cycle, the time remaining clock was slow. Each minute was actually 1 minute and 20 seconds!

Are you seeing issues with any other electrical equipment in the home? The time is normally governed by the mains frequency (60 Hz), so either you have an electrical supply issue or the CCU is well and truly scrambled. You ARE on mains electricity, aren't you?



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 Posted: Mon Mar 20th, 2006 04:40 pm
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AstroRon
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The electrical is OK.  We've had the unit for 3 1/2 years and it's just now giving us fits!

I feel like I need to start from scratch.  My brain is fried!

What amazes me is the PUMP just wants to keep running long after the water is drained from the tub.  I just pumps air for minutes on end.  THAT has to be a clue to something.  But, WHAT?



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 Posted: Mon Mar 20th, 2006 05:10 pm
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Something is telling the pump there is water or suds  in the washer or there is a flood condition like the water into the washer not turning off or taking too long to fill, so it will continue to pump as a safety to keep from flooding the house.



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 Posted: Mon Mar 20th, 2006 05:19 pm
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This is off of the Duet manual.

SUDS LOCK (Overdose of Detergent detected during the Wash Cycle)


The motor control unit senses a suds lock condition by analyzing the current draw on


the drive motor. If “Sud” is displayed a potential suds lock is detected. This may


signify a bad pump, an extra heavy load, excessive detergent, or excessive suds.



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 Posted: Mon Mar 20th, 2006 05:58 pm
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AstroRon
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PEGI: Something is telling the pump there is water or suds  in the washer or there is a flood condition like the water into the washer not turning off or taking too long to fill, so it will continue to pump as a safety to keep from flooding the house

Well now, THIS makes sense.  AND is that under control of the CCU by way of the Pressure Switch?



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 Posted: Mon Mar 20th, 2006 06:01 pm
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AstroRon
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Pegi wrote: This is off of the Duet manual.


SUDS LOCK (Overdose of Detergent detected during the Wash Cycle)



The motor control unit senses a suds lock condition by analyzing the current draw on



the drive motor. If “Sud” is displayed a potential suds lock is detected. This may



signify a bad pump, an extra heavy load, excessive detergent, or excessive suds.


 

IF there is NO DETERGENT (no clothes) and the PUMP still pumps soo much air that it makes suds (air bubbles)...Why won't the PUMP shut off when there is no more water to pump?



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 Posted: Mon Mar 20th, 2006 06:13 pm
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Pegi
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Now that I do not know, let me see what else I can find...



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