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What causes defrost board to burn up

\015 I WAS TOLD I NEEDED A NEW BOARD pUT A NEW ONE IN WORKED FOR ABOUT 1 MINUTE AND BURNED UP TNE NEW ONE\015

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What causes defrost board to burn up


... Maytag Refrigerators

GE model #GSS201EMBWW is not defrosting, checked defrost heater and it was burned out. Replaced with new 2 heater design and now it burns all the time, which is most likely what burnt the other 1 out. Looking at forums it says this model does not have a defrost timer, instead has mother board that controls the defrost. I would think that if the mother board was bad it wouldn't heat at all. Any info you have would be helpful


This is how the defrost works . I have NEVER found a defrost problem associated with a bad main control board since these computerized GE's came out in 2000 . Lots of thermistor problems , lying to the board , causing different problems . \015\ ... GE GSS25SGMBS Side by Side Refrigerator

3 YEAR OLD FRIDGE. DEFROST PROBLEM. FREEZER NOT DEFROSTING, CAUSING BOTH SIDED TO GET WARM. ELECTRIC CHECKED OUT ON HEATER AND THERMOSTAT. PUT IN A NEW CIRCUIT BOARD. SAME PROBLEM. NEW BOARD MAKES CLICKING SOUNDS AT TIMES. AFTER TURNING UNIT OFF AND ALLOWING ICE TO MELT, FREEZER WORKS GREAT, BUT THEN FROST STARTS TO BUILD AFTER SEVERAL DAYS.


Your refrigerator has a defrost timer located inside the fresh food compartment if bad this will stop the defrost, I did not see a circuit bort for the model ... Whirlpool ED5FHEXMQ Side by Side Refrigerator

G.e. fridge m#pds22scrblss not cooling. Main board burned up. replaced board with new. working ok. 3 weeks later coils frosting up. not defrosting. defrost heater & bimetal ok. what could be the problem?


Hi, if you had a burned out board, did they give you any indication on why this may have happened? You say the defrost heater is ok and you have checked the defrost thermostat also? I would believe the defrost cycle terminates through the circuit boa ... Refrigerators

Defrost Problem I havea Maytag MSD 2456DE side by side. The freezer is not properly defrosting and this impacts the temperature of the refrigerator. I've defrosted it manually three times in as many weeks. What is the most likely cause...thermostat? circuit board? Do you know how to determine which it is? - JoDawg


The first thing to check is the defrost heating element, then the defrost limit switch, if good, then its probably the main circuit board. ... Maytag MZD2766GES Side by Side Refrigerator

GE TFH24PR refrigerator will not go into defrost mode. I recently had to defrost the freezer coils manually. What is the likely cause and fix? Where are the timer and the circuit board for defrosting located? Thanks!


Next time open the door,look at the right hand wall in the fridge section up near the ceiling and you'll see the full model number,the things that can cause this is a bad thermostat,a bad heater,or timer.the timer is in the fridge section up near the ... Refrigerators

Will a burned out defrost heater cause the refrigerator section of the side-by-side Frigidaire to stop cooling? I have relpaced both the thermostate and the defrost control. Frige still not cooling/freezing.


Good day,\015\012Only if there is a build up of frost on the evaporator coil behind the rear panel in the freezer section.\015\012I don't know what thermostat your describing, but the one controlling the defrost system is ... Frigidaire FRS3R5EMB Side by Side Refrigerator

Refridgerator , works fine for a few days then it goes into defrost and does not come out until everthing thaws out. I had a new relay switch installed and that helped for about 3 weeks. Computer board located on the back top panel checked out ok. I am thinking that it is either the compressor or thermostat. Causing it to not come out of the defrost cycle.


If the defrost thermostat is bad, it can prevent the heater from coming on OR it won't turn the heater off when it gets too warm. It is clamped to the evaporator coil at the top to sense the temp. If it appears to be misshapen it is bad.With an ... GE Refrigerators

Kenmore French door refrigerator Model #795.78302.802 quit working. Repair man replaced the pc board Part# EBR41531305. Now the refrigerator works but it has no inside lights. When the door is opened the inside lights do not come on and the fan will go off. Close the door and the fan will come back on. The tempature controls have a error code er dh. The repairman thinks it is the defrost heater. Will a bad defrost heater cause the lights not to work? Any help will be appreciated.


No, there is another problem. ... Kenmore Refrigerators

I have a gss201epd ge side by side. the everything works great but the ice cubes keep melting together into a clump. the temp is usually about 0 to 10 degrees but occaisionally i find it to be up to 40. I suspect this is during defrost. The main board has been replaced as well as a burned out defrost heater. The repair tech also replaced some small capsule-looking sensors in the unit due to a recall. Still have the problem and he gave up on it. Now i'm on my own with over $300 dollars invested s


... GE GSS25SGMBS Side by Side Refrigerator

Refrigerator leaks The other day, there was a small puddle underneath the fridge; bad enough that it caused the floor boards to warp. This has happened twice (the I'm aware of) since I moved into my unit, but I'm sure it's happened in past because I could tell the boards were already warped. Previous owners only mentioned that the ice maker may not work. After defrosting the fridge, it made ice twice, leaked, then never made ice again. Lately, I've also had issues with the intern


... KitchenAid KBRP20ERSS Stainless Steel

Freezer fan noisey. By looks caused by ice. Compressor continually running. Condensation on the top part of freezer. Ice slushie. Top fridge cool and works fine. Looks to be the freezer stuck on defrost cycle. Is this likely the control board or a sensor?


This would be a failed control board and can sometimes be reset by unplugging the unit for an hour or so... ... Samsung RB215LASH

I have a frigidaire refrigerator model #FRS6R5ESBC that stopped cooling. I replaced start relay on compressor and discovered that defrost control was burnt out replaced it also. now in less than 3 days control has burned out again what could be causing this.


Had one a couple years ago did the same thing. Found the compressor was going bad and was pulling too many amps thru the control. Ended up buying a new frig. ... Frigidaire FRS3R5EMB Side by Side Refrigerator

MSD2456DE. I just replaced th flapper on the ice dispenser and everything was working fine. At lunch the nexd day we kept hearing a click every few minutes, by evening, water was driping and we discovered that ice cream and everything in the freezer was thawing. Would the circuit board connection on front of the door caused this frig to get stuck in the defrost mode? Help would be appreciated.


No, the circuit board mounted inside the ice dispenser on the door has no control over the defrost mode. Furthermore, the problem you appear to be having is not with the defrost system, rather the compressor attempting to start, but failing. This cou ... Maytag Refrigerators

Westinghouse fridge BJ425BS-RWS We are having trouble with our fridge/freezer. My husband is a refrigeration engineer, but deals with commercial equipment. The freezer evap is iced up, have de-iced once before. The element is ok, With no defrost time clock on this fridge, what would be the most common cause? The klixon or the pc board ?


First check for a bad defrost thermostat(make sure its cold before the test,because if they are warm they will check bad, you can bypass the thermostat to test it) then if this is ok then the control board is next culprit ... Westinghouse Refrigerators

I have whirlpool refrigerator model# et9fhtxmq01 with the freezer section to the top and refrigerator section the bottom .The refrigerator section is not cooling and freezer section is not freezing ok.I have notice that a lot of ice has built up on the freezer panel causing the refigerator not cooling properly. this refrigerator has a circuit board defrost timer.How can solve this problem. The evaporator coil is heavly ice up. I tried unplugging the power cord out for almost a day,and refrigerat


Thaw it with a hairdryer and it'll work til you can get it fixed. \015\012\015\012check defrost heater, defrost thermostat\015\012\015\012 How to check\015\012everything\015\012\015\012http://www.acmehowto.c ... Refrigerators

Ice and water in door not working. Not defrosting. Would main board cause both problems?


... GE (PSS26MSRSS) Side by Side Refrigerator

The fridge side wont defrost causing the temp to stay at 55 . ive replaced the mother board already


Check evaporator sensor ... Samsung Refrigerators

Defrost Heater or Main Control Board, Which one is at fault?


Normal\015\012 0\015\012 \015\012 \015\012 false\015\012 false\015\012 false\015\012 \015\012 \015\012 \015\012 \015\012 \015\012 \015\012 \015\012 MicrosoftInternetExplorer4\015\012 \015\012\015\012 \015\012 \015\012\015\012\015\0 ... GE GSS23SGSSS Stainless Steel Side by Side Refrigerator

Air Flow to Refrigerator keeps getting blocked by ice buildup. Seems to be only a main board on back of refrigerator - upper left facing rear of appliance. (no defrost timer in frig.) Is the main board replacement the only option if defrost thermostat and defrost heater are operational?


Yes it is but check any plug and socket wiring as well ... Refrigerators

Defroster problems my defroster heating element is not heating and my coils are froze over. I talked to a tech who said I can jump a couple wires and put it into a test mode the only problem is I can not find how to get to circiut board. I took the panels off in the feezer and seen the temp sensor. so I need to know how to get to the board and also does the heating element use 120vac on both legs to heat or is it 120vac on one leg and the board sends a ground on the other? also the temp sensor o


How did you find this board that apparently no one can get to? I took apart most of the temperature control section and cant locate this infamous board. Please advise. ... Maytag MSD2756GES Side by Side Refrigerator

GE side by side: Model GSL25JFPABS Does not defrost. Circulating fan is working. Heating element works when 110v is apllied to it. Points in thermostat are closed (freezer warm). Installed new circuit board Door gaskets sealing well. There is no way (I presume) to force the circuit board to bring on the defrost circuit. (unlike older timer motor). Without a wiring diagram I cannot check all components. My assumption is that the board cuts power to the compressor and then powers


... Refrigerators

This is a old problem with maytag refrigerator, coil icing over I have changed the t'stat heating element assy,coil still ice over All fans are working, i removed adaptive defrost board and found it to be burnted by some resistors and I replaced with the substitute board (#61005899) but whe i turn on my temperature control nothing happens compressor will not start, so I install old burnt board and compressor starts it just wont activate the defrost cycle but ill do it if i jump it out by jumpi


Looks like the adaptive defrost board is a problem. The question is whether you had the correct replacement part. Best to confirm if the part shown ... Refrigerators

Good evening, i am working on a refrigerator. G.E MOD GSS25KGTBWW, SER GL434149. TODAY ITS O.K. BUT FROM THE EVIDENCE IT LOOKS LIKE THE UNIT WILL HEAT UP IN THE FREEZER[POSSIBLY DURING DEFROST] TO THE POINT OF DEFROSTING THE ICE IN THE BUCKET ,AND THE FOOD TO PARTIALLY DEFROST. THEN IT WOULD REFREEZE LEAVING LONG ICICLES IN THE FREEZER. WHAT CAUSES THIS? I'VE HEARD OF THIS HAPPENING TO G.E SIDE BY SIDE MODELS BUT NEVER LEARNED WHAT CAUSED THAT SITUATION. WHAT DO I DO TO STOP THIS FROM HAPPENIN


The control uses inputs to monitor for defrost. The basic pattern of adaptive defrost is: COOLING,PRE-CHILL,DEFROST,DWELL,and POST-DWELL.The ADC (adaptive defrost control) Counts the number of times the doors are opened, the total compressor ru ... Refrigerators

GE TFX22ZRAAD with cooling problems. Evaporator coils icing and fridge temp drop into high 50's-60's. Fixed once, unsure if timer adjust was the cure. How do I determine the cause to be either the defrost timer, the defrost heater or the defrost thermostat (as these are most likely causes)? Help. Thx!!


To start with turn the time till it clickes into the defrost mode. Remove the evaporator cover an see if the heater comes on. If no heat after a few minuites un plug the frig. Check the resistance across the heater. Check if the defrost thermostat is ... Refrigerators

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