Fridge/freezer freezing up-and no fanor air circulation:
first check the defrost terminator thermostat it may have gone out. Thus not allowing the heating element to melt the ice.?
AT TIMES The fan usually stops workingAND CAN MAKE FUNNY NOISES AS WELLdue to ice obstruction when the defrost terminator has gone out and u get ice build up? u can check the terminator with a multi meter for continuity but do not check at room temperature. stick the terminator in cup of ice water for 20 minutes then check it for continuity, should be closed when cold and open at room temperature.
May also need to check thedefrost timer,The defrost timer is usually found behind the front grill "toe kick" of the refrigerator.Or in the fridge compartment near middle top section.
u can get by and test manually by placing a small screw driver into the tiny slot or hole underneath the timer and turn slowly clockwise till u hear 1 click. this will engageurdefrost cycle in about 15 minutes u should be able to come back and feel the heat in freezer as it melts the ice providingurterminator is not bad?
Another way to test it is with a multi meter. Remove timer it from fridge and you will see 4 prongs numbered 2,1,4,3 in that order. Placeurmeter prong on prong 1 & 3 (if your fridge has a capacitor wired in series with the windings, then u check for micro fares rather than OHMS) If u cannot confirm this test, still try the next.
Takeurmeter prong and connect to prong 1 & 4, it should read resistance or ohms ( closed) now remove prongs and place on prong 1 & 2, this should now read infinity or open (no ohms) now take a small screwdriver place it in the tiny hole or slot under the timer. Turn it clockwise slowly till u hear 1 click. Nowur1& 2 should read closed ( showing ohms or resistance) now place meter prongs on 1 & 4 and you it should now show open ( or no resistance - no ohms) this is how u knowurtimer is good, Remember when testing for ohms ADJUST meter to use a high ohms rating in the thousands as the resistance is very high in OHMS. And adjusting to low ohms rating may give a false reading or not show the proper resistance..
Another item to check with a meter is theheating elementitself. Located under the evaporator coils. It should show continuity or resistance OHMS WHEN TESTED AT BOTH ENDS OF THE PRONGS .
Lastly check thecold control thermostatwith a meter for both OHMS and volts ( VOLTS is a live test with fridge plugged in so be careful) It must show 110 volts. An open or thermostat that reads infinity will not allow the proper cooling and defrosting cycles to operate and may in fact stop anything from happening as if there is no power to the unit?
ALSO CHECK THE AIR FLOW VENT SYSTEMand THERMISTORSAt times it can get stuck to far closed or open. Some units feature a digital electric adjusting vent system while others are manually set. Check for any ice build up or other obstruction in the vent damper, see if u can manually open or close it. Some times when u have the settings set to the highest it closes off one area while allowing to much cold air flow to the other area!
THERMISTORS in the freezer and fridge section for continuity OHMS and for amount of OHMS current being putout. In most models around 1300( give or take 150 ohms) ohms is required
SOURCE: Refrigerator freezes everything even on the lowest setting
Is everything really frozen or just the top shelf stuff? You may have a thermistor (temp sensor) problem if the compressor just runs and runs and runs all the time. Take a glass of water and place a thermometer in it for about 3 hours then take a temp. reading. That will let you know what the real temps are. See if you can cause the compressor to kick off and on by changing the temp settings (go to real low for about 5 minutes then back up to high). Let us know what happens.
SOURCE: I have a kenmore mini-fridge
they do that when they are on the way to the big kitchen in the sky. sorry, but mini fridges do not typically last very long.
SOURCE: fridge doesn't stop running
Number one when you can always provide model number and make...it helps
enormously in troubleshooting otherwise you get these long detailed
threads...from an anal tech like myself.
{Which you did provide...this is a plug-in thread I am putting in for you..Belanger...check your condenser...to see how clean it is..it sounds as if...the motor could be going out or not turning as fast an rpm as needed to remove the heat...(or it is dirty)...good luck...and always there is the compressor.}
Cold is a relative term....how cold...use a thermometer...and determine
if the freezer...is at least..10-20 degrees or colder if not it is not
cold enough...and here are some generic answers for that problem....I
will list at the bottom of this thread...if it is
A. You will need to determine if you are getting air flow into the
refrigerator side compartment..there is usually a baffle...that
controls...the amount of air-flow into the frig side...it can be
adjusted...if not it could be broken or have come loose...it is rare...
B. Is something blocking the baffle...as in food ...groceries...
C. The thermostat could be out of adjustment...and or going bad...(how old is the frig)..
D. Some newer units have a dual fan system..(but rare)..if the frig side fan is out...this could be the problem...
There are several reasons this can be happening...
1. The seal
on the door may have a tear or may not be seating properly...this
allows excess warm air into the freezer compartment and in its effort
to remove the same ...frost appears.
2. There is something call
a thermistor (which senses temp and ice build up) that is cycled on and off as needed to remove excess frost
accumulation and or ice buildup on the evaporator (freezer) coils...it
is a heat strip which actually defrost the frost/ice. If this is not
working frost will accumulate and eventually it will become
Ice......now the remarkable thing about Ice accumulation is that you
would think everything would remain cold or get colder ..however in
this case the opposite occurs...it insulates the coils and thereby
increasing the temperature...put a thermometer...one that is calibrated
properly...(calibration can be set by placing a thermometer into a
glass of ice water...the temp of a glass of ice water..after a few
minutes setting will be exactly 32 degrees)..if the temperature of your
refrigerator is gradually rising over the period of a week...you will
need to call a tech or replace the thermistor and or trouble shoot
other problems that may have occur such as..
3. The evaporator fan
may be going out although they usually make a high pitched whining
noise of a whirring noise before they go out...not always and if they
are intermittently cycling off then frost would build up...do you
always here a fan running when you open the freezer and hold the button in above the door..(fan switch)...if so that is
good...fan is working...but it may be cycling off at times when no one
is aware.
P.S.
the odds of it being due to overfilling are slim...I have been in the
industry for 35 years and that is what freezers do...which a lot of
people don't realize is that freezers don't actually cool anything
..they just remove heat and when you remove all the heat all that is
left is cold (like in space) and when heat is removed quickly frost can
appear like when you blow your breath on a freezing cold window..then
right your name....but I digress...any way..if there was an excess of
heat due to a lot of new food in the freezer it would correct itself by
one of the processes i mentioned above..and it would never result in
Ice..you probably have one or more of the problems I
mentioned...evaluate how long its been going on...
4. Thermostat could be out of adjustment..and or not functioning
properly..which
would delay or inhibit a defrost cycle..from occurring..unfortunately
almost all of these problems require a tech...or a good handyman.
This should lead you in the
right direction...if you need help in finding a reputable service
company in your area let us know..I hope this has been helpful..if so
PLEASE rate me....thank you... .......The Fang
SOURCE: the fridge on my bosch fridge/freezer keeps freezing all my food
This, as with the on off complaint on a bosch, sounds like your thermostat is n't paying attention. Turn it up, then slowly down and feel for any irregularity. If there is looseness or rough, like hsngin up its the thermostat. At least we know the bulb goes out when you close the door. Good Luck
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