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Author Topic: Frigidaire Refrigerator  (Read 50852 times)

Offline Rogue

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Re: Frigidaire Refrigerator
« Reply #60 on: June 01, 2009, 12:17:11 AM »

Ok, my fridge just went back in time because I went through it again and compressor cycles now say 23?  :2funny: Everthing else remained the same.

Offline Rogue

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Re: Frigidaire Refrigerator
« Reply #61 on: June 01, 2009, 07:44:25 PM »
I just looked at run time percentage on the compressor again and it is reporting 91%, so I guess that means the compressor is having to work a lot harder with the evap frozen up?

Offline BrntToast

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Re: Frigidaire Refrigerator
« Reply #62 on: June 01, 2009, 08:16:34 PM »
that evap is not all that "frozen up" but the board indicates the heater is not comming on during defrost by the 0 minute duration

you need to test the defrost therm while it is cold and see if it is closed, i suspect you will find it open in which case the board will think defrost is done cause of the open therm and restart the compressor

while all is cold and frosted, initiate defrost and make sure it flashes the "D"  if it does unplug fridge, disconnect the white/red connector between the element and therm(one meter probe goes in the white connector) then unplug the large connector on the back wall(other meter probe goes in the terminal for the light blue wire from the therm)

you should get continuity reading on the meter
« Last Edit: June 01, 2009, 08:21:28 PM by BrntToast »
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Offline Rogue

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Re: Frigidaire Refrigerator
« Reply #63 on: June 01, 2009, 08:18:47 PM »
How do I go about testing the defrost thermostat?

Offline BrntToast

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Re: Frigidaire Refrigerator
« Reply #64 on: June 01, 2009, 08:22:05 PM »
just modified my last post with test instructions
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The only stupid question is the one not asked

Offline BrntToast

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Re: Frigidaire Refrigerator
« Reply #65 on: June 01, 2009, 08:28:25 PM »
post back findings, i'll pop back in a while

we just had a lovely 5 minute hail storm and i need to go see how much of my flattened garden i can salvage  :tickedoff:
Mayday Appliance Service
Winnipeg Manitoba Canada


The only stupid question is the one not asked

Offline Rogue

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Re: Frigidaire Refrigerator
« Reply #66 on: June 01, 2009, 08:39:44 PM »
Ok, should be able to do it within the hour.

Offline Rogue

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Re: Frigidaire Refrigerator
« Reply #67 on: June 01, 2009, 09:46:25 PM »
Tested thermostat. There is no continuity.

Offline Rogue

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Re: Frigidaire Refrigerator
« Reply #68 on: June 01, 2009, 09:56:47 PM »
Also, the evap is twice as frozen as last night. I have a pic if you want. The temp was actually starting to go up in freezer and fridge just before I started this. Should I force a manual defrost now or is there anything else you need me to do while it is frosted?

Offline MajorApp

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Re: Frigidaire Refrigerator
« Reply #69 on: June 01, 2009, 10:07:01 PM »
 :coffee: :popcorn: :)

Offline Rogue

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Re: Frigidaire Refrigerator
« Reply #70 on: June 01, 2009, 10:18:47 PM »
 :ahhh:

Offline Rogue

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Re: Frigidaire Refrigerator
« Reply #71 on: June 01, 2009, 10:56:32 PM »
ugh...

ok. Well I decided to check it again because I'm paranoid and am always doubting myself.

Well. I skipped the step of letting enter defrost mode via the test mode (where I would see the flashing D). Well now the thermostat DOES have continuity (it was all icy around the thermostat just like it was before). I plug the fridge back in and go to that test mode, and now the D DOES NOT flash like it did before. So what is going on with this?

Offline Rogue

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Re: Frigidaire Refrigerator
« Reply #72 on: June 02, 2009, 12:17:38 AM »
Okay, now the defroster is running on it's own. Everything shut off and the defroster is now lit up melting the ice on it's own.  :D

Offline Rogue

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Re: Frigidaire Refrigerator
« Reply #73 on: June 02, 2009, 06:20:02 PM »
And now it seems to be freezing up again from what I can see from the vents. Could a failing thermostat work intermittently?

Offline BrntToast

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Re: Frigidaire Refrigerator
« Reply #74 on: June 02, 2009, 08:40:36 PM »
the therm usually works or doesn't
sorry if i ask instead of reading back but are you sure the fan by the compressor is turning and there is no buildup of lint etc on the condensor by that fan?
your frost patern looks "loose" which indicates a possible weak compressor, but there is no way i can instruct you to test for this, also all your door opening from repeated checks could cause this loose frost as well
the defrost therm is less than 20 dollars and takes minutes to change, and it comes with instructions, you might want to change it out just to be certain it is not the fault
boards are more likely to be intermittent than the therm, but the therm is alot cheaper so i suggest you start there
if you do change the therm.... dont open the fridge unless you are getting something to eat/drink   
remember what i said earlier.... your fridge decides when to defrost based on door openings and run time, your constant checks are going to increase defrost times beyond the norm

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The only stupid question is the one not asked

Offline Rogue

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Re: Frigidaire Refrigerator
« Reply #75 on: June 02, 2009, 09:28:11 PM »
True. I was opening the freezer door a lot. As well as the fresh food door a crack to see the temp.

I looked at the compressor last week and vacuumed out the condenser coils as well. The fan was working.

A few minutes ago I tried a forced defrost again using the freezer up once and fresh food button down 5 times method. Didn't work. Tried it again. Didn't work. Went to the test mode and tried it from there. The D is now flashing again instead of solid.

About replacing the thermostat, the service manual says that the part comes with solderless connectors and heatshrink material. How do I use that heat shrink without a heat gun? Does a hair dryer work on that?

Also, do you recommend any place in particular to order it from?

Offline BrntToast

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Re: Frigidaire Refrigerator
« Reply #76 on: June 02, 2009, 09:40:50 PM »
the heat shrink in the kit is junk, its oversized for the wires and doesn't seal, just throw it away, you have alot of unsealed connections in there, your crimp connectors will make no difference

as for ordering, i have read the part place this site suggests has very quick delivery if you do not have a local appliance part distributor

i'd have to leave this question up to my fellow american techs, i'm in canada so all my parts are delivered by dog sled straight to my igloo

Mayday Appliance Service
Winnipeg Manitoba Canada


The only stupid question is the one not asked

Offline Rogue

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Re: Frigidaire Refrigerator
« Reply #77 on: June 02, 2009, 09:54:31 PM »
Let me ask as well, what exactly does that flashing D mean? I know it means (according to the service manual) that no current flowed is sensed, but can you tell me anything further than that? Something to do with the thermostat or other electronics within the fridge?

Offline BrntToast

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Re: Frigidaire Refrigerator
« Reply #78 on: June 02, 2009, 10:06:00 PM »
all it means is the board sences that even though the fridge is trying to defrost no current is going through the circuit

this can be caused by a bad heater(which is not your case cause you said yours glowed and a heater works or doesn't, never do they go intermittent)
bad thermostat which i guess might go intermittent(cant think of one i have ever seen that was)
or bad board(just because the board says "lets defrost" and closes a relay to power the defrost circuit, it can only tell if the circuit draws current, the board cant tell if the relay actually closed(relays can burn contacts and become intermittent))
lastly... a broken wire or bad connection anywhere between the board and the defrost components inside the freezer(this i have seen a handfull of times too)  and short of drilling holes and running new wires it is not repairable
Mayday Appliance Service
Winnipeg Manitoba Canada


The only stupid question is the one not asked

Offline Rogue

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Re: Frigidaire Refrigerator
« Reply #79 on: June 02, 2009, 10:38:10 PM »
all it means is the board sences that even though the fridge is trying to defrost no current is going through the circuit

this can be caused by a bad heater(which is not your case cause you said yours glowed and a heater works or doesn't, never do they go intermittent)
bad thermostat which i guess might go intermittent(cant think of one i have ever seen that was)
or bad board(just because the board says "lets defrost" and closes a relay to power the defrost circuit, it can only tell if the circuit draws current, the board cant tell if the relay actually closed(relays can burn contacts and become intermittent))
lastly... a broken wire or bad connection anywhere between the board and the defrost components inside the freezer(this i have seen a handfull of times too)  and short of drilling holes and running new wires it is not repairable


 :'( ...Thanks for scaring me with that last one about the broken wire and what not..lol. I was wondering if something like that was happening here since after moving the wires around that big plug and around the thermostat that it defrosted on its own.

So once I get that thermostat put in, and if it still doesn't work, are there any other places to look at after that or do we go straight to replacing the control board?