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Electrolux/Fridgidaire refrigerator #2 flashing

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Posted: Wed Apr 28th, 2010 11:49 am

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Schab
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Hi,

I have an Electrolux/Fridgidaire model PLHS68EESB1, seriel number LA51817792, manufactured in May 2005.

The problem currrently is that a 2 keeps flashing on the freezer temperature readout, not always, but very often. We have had a lot of problems with the ice maker "acting up", but I seem to be able to keep it limping along with an occasional manual emptying of the dispensor tray where the ice is actually produced. Also the freezer seems to occastionally ice up and I manual defrost it (maybe once a year).

The unit stays cold other then when the defrost issue pops up, but I feel it runs too long in between cycles.

Any idea on what the #2 code is saying?

Thanks in advance!

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Posted: Wed Apr 28th, 2010 01:00 pm

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Samurai Appliance Repair Man
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Do you have the tech sheet? Should be behind the toe grill.

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Posted: Wed Apr 28th, 2010 02:35 pm

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RegUS_PatOff
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2 may be "open Freezer Sensor" (Thermistor)
(or loose connection)

click on picture

Freezer Thermistor # 21A

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Posted: Wed Apr 28th, 2010 03:25 pm

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Schab
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Yes I have the tech sheet. Just pulled it out.

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Posted: Wed Apr 28th, 2010 03:26 pm

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Schab
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Will look for an obvious loose connection too.....

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Posted: Sat May 1st, 2010 01:05 pm

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Schab
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Well, no loose connection, and this morning the readouts are reading 41 for freezer and 52 for fridge, but everything is still cold.

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Posted: Sat May 1st, 2010 02:34 pm

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Samurai Appliance Repair Man
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Can you scan and upload a copy of the tech sheet? Or can fax to me at 866-315-4504.

Measure the resistance of the sensors. And get some numbers on the temperatures in both compartments with a couple of fridge thermometers.

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Posted: Sat May 1st, 2010 02:47 pm

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BrntToast
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you can run diagnostics and test sensors from the controls on your model
(however, a bad connection will look like an open sensor to the board)

here is the manual for your friggy SxS with the genesis controls

http://cid-161d5dae096a24ce.skydrive.live.com/self.aspx/service%20manuals/frigidaire%20service%20manuals/frigidaire%20fridge/sxs%20with%20genesis%20controls.pdf

page 37 and 38 for the diagnostic modes

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Posted: Sat May 1st, 2010 02:55 pm

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Samurai Appliance Repair Man
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Domo, Brnt!

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Posted: Mon May 3rd, 2010 10:43 pm

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Schab
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Ok. I just took a look at page 37 and 38. I used the controller to enter into defrost mode manually. It worked and I can feel the heat from inside the coils.

Question, I had a tech from where I bought the unit that the control board has to be bad. Buth then again, he knew nothing about how to diagnos using the electronic controls.

If I was just able to put the unit into defrost manually, does that eliminte the control board as the culprit? What else would cause the icing up on the coils, consequently causing the #2 to flash? Is that where the freezer thermistor comes into play?

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Posted: Mon May 3rd, 2010 11:28 pm

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Schab
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But now I noticed that even after the defroster heated up, when I looked back under the panel again, the frost still remained on the coils and there was a "ticking" sound while the heater was on. Is a fan suppose to be blowing when defrosting? That's what the ticking sounded like.........a fan that was stuck but trying...

Ok. I just took a look at page 37 and 38. I used the controller to enter into defrost mode manually. It worked and I can feel the heat from inside the coils.

Question, I had a tech from where I bought the unit that the control board has to be bad. Buth then again, he knew nothing about how to diagnos using the electronic controls.

If I was just able to put the unit into defrost manually, does that eliminte the control board as the culprit? What else would cause the icing up on the coils, consequently causing the #2 to flash? Is that where the freezer thermistor comes into play?

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Posted: Mon May 3rd, 2010 11:34 pm

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RegUS_PatOff
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Schab wrote: ... Is that where the freezer thermistor comes into play?...

The Freezer Thermistor tells the Control Board when to Defrost.

Did it pass the Freezer Sensor tests ?

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Posted: Tue May 4th, 2010 12:16 am

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BrntToast
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another thing to test for is to turn the fridge off at the controls
after the control says the fridge is off go around the back of the fridge and place your hand on the compressor to make sure the compressor is not running

i have seen a few of these units that had stuck relays that caused the compressor to run 24 hours a day (but usually if this happens you will have food freezing in the fresh food section)

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Posted: Tue May 4th, 2010 01:39 am

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Schab
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Hmmm...

I can't tell if it passed the freezer sensor tests.

When I get to 4a it flashes 1 on the fridge temp readout. Then at 4b it was just saying 48 but that may be because the door was open. It seems like the flashing "1" means it was ok, and that then 48 was the actual temperature? In the service manual is shows variable 4 as "freezer sensor" first, and then another variable 4 as 'fresh food sensor". How do I know which one is which because the flashing "1" is what is good for both?

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Posted: Tue May 4th, 2010 01:44 am

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Schab
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How do I turn off at the controls to test that the compressor is not still running? Is that what they list as "show room mode"?

A while back that did happen once. (freezing in fridge)

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Posted: Tue May 4th, 2010 01:58 am

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Schab
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Oh wait. Test 3 is for the Freezer sensor and it does flash "1" and said 1 degree.

Test 4 is the Fresh food sensor and it too flashes "1" and said 48 but that was because the door was open.

Got confused because under Test 3 it said variable 4.

If the sensors are testing fine and all the other tests show fine too can the "board" still be bad in terms of it doing everything properly vs. running stuff manually through the tests?

That, or maybe my compressor is running 24/7 occasionally causing it to ice up.

Wonder where that relay is that could possibly be sticking...........

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Posted: Tue May 4th, 2010 09:16 pm

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BrntToast
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You can disable the cooling system in your
refrigerator by pressing the On/Off button located on
the left side of the temperature control panel.
To ensure that you do not accidentally turn off the
cooling system, the button does not work unless you
press and hold it for three seconds.
While the cooling system is “OFF”, the digital display
will show “OF” “OF” for temperature display models
and “O” “F” for numeric display models.

the relay that sticks is on the control board( where you are hitting the buttons)

however, some units required an upgrade to correct this.
do the test and post back, if your compressor runs in the off position i'll try to find the original service letter for this problem

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Posted: Wed May 5th, 2010 03:03 am

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Schab
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Thanks. I turned it off "of" and "of" displayed and I can still hear a fan running and when touching the compressor I can hear it vibratiing.

Then, when turning back on I hear the "other" fan kick in and can feel the cold air being blown into the fridge again from the back damper.

Think we're getting somewhere....

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Posted: Wed May 5th, 2010 01:17 pm

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BrntToast
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yup, compressor is stuck running, i've seen this fool alot of techs into thinking there was a defrost problem, cause your compressor is even running during defrost(which it should not)
i have a few minutes this morning to look for the service kit, if i cant find the part this AM i will find it tonight

are you the original purchasers of the fridge?

these parts were mailed out to owners that registered their products with electrolux, there is a chance that you may still be able to get them for free

call them 1 (800) 374-4432 have your model and serial # ready for them
tell them you were informed your fridge may require an upgrade
i wasn't able to find the part # for the kit this morning

the kit added another higher amperage relay to prevent the relay in your control box from welding like yours did

it is now too late for your control and that has to be changed too, but we should find out if you require the upgrade, otherwise you will see repeated control failures

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Posted: Wed May 5th, 2010 01:54 pm

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BrntToast
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ok.... talked to the friggy engineers

you dont need the relay kit, the board was upgraded because of the problem you have

you just need to replace the control board and you should not have repeat problems

your part # is 241591817

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