Mark Tyler: See Rosemary Stevens' comment below! My experience was exactly the same
as hers. The ice water test failed for me, but the freezer test worked.
jonnydoe85: My thermostat doesn't have plugs to disconnect it. Would I have to cut the
wires and remove it just to check it?
alex putra wicaksono: please help me solve this problem. my fridge has water drop sound inside
the compressor when it start running from a pause. what has caused it? i
had a repairman fix it before. is there some flaw that the repairman do?
william marcum: pour some salt on the ice it causes a reaction and makes water colder this
worked for me my thermostat was bad.
Rosemary Stevens: THE CUP OF ICE WATER TEST IS NOT ALWAYS RELIABLE. I tested my suspect
thermostat using this method and it showed no continuity, so I ordered a
new one. When it arrived I decided to test it before installing, and it
showed no continuity. Assuming it to be defective, I asked for a
replacement. I decided to test the replacement, and it also showed no
continuity. I thought it was strange that both were defective, even testing
at 3 minutes, 10 min. and 15 min. in ice water with 2 different
multi-testers. Then I put them both in a working freezer overnight. The
next day they both showed continuity, meaning they both were working
correctly. It seems the cup of ice water test is not the best test. Try
using a working freezer instead.
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Amber Wearstler: I had to put mine in the freezer to get the temp low enough to get a
RepairClinic.com: It's likely there is either a restriction or, as you said, a leak in the
sealed system. Unfortunately repairs to this system must be performed by a
licensed technician. Sorry to give you bad news!
RepairClinic.com: Thanks for the comment! Please refer to our help section on our website for
further technical advice. There is a link towards the bottom of this
ZombiedustXXX: Nice, but what are symptoms of a possible failed defrost thermostat? Is
this a gradual condition over time, or does failure of this component
mustselect: This video states "if your thermostat has a closing temp of 30 degrees or
above, you can easily test it for continuity" but then in the test, you
state that the thermostat should have continuity (be closed) in ice water.
Problem -- the temp of ice water is too close to 30 degrees to be able to
reverse engineer from your video the one bit of useful information that you
could provide but don't provide: what are the specs of the damn device.
RepairClinic.com: This video applies to a number of different defrost thermostats so we can't
provide specific specs. The specs of the thermostat should be on the
thermostat itself. We also list the specs of the thermostat on the specific
part pages on our website when we can.
RepairClinic.com: I apologize, you are correct! When the thermostat is warm the reading
should be infinity. If it produces a reading of zero when warm, this is an
indication of a bad thermostat.
jgstargazer: I had a defrost problem in my refrigerator, the condenser was packed with
ice. Your videos were helpful in testing all parts responsible. Found the
defrost thermostat bad and now the frige works fine, thanks!
filipinofighter1: @RepairClinic I thought when your thermostat is cold, it should produce a
reading of zero ohms on multitester. If it is warm ( anywhere from forty to
ninety degrees fahrenheit ), then the test reading should produce a reading
of infinity. If i'm not mistaken it is the same principle of testing the
thermistor. My question is why my thermostat has zero ohms reading even
though it is warm. I think i should get zero ohms reading if i immerse to
ice cold water in 5-10 minutes. I think it is shorted
RepairClinic.com: I would recommend using the repair help section of our website. If you
enter your model number there you'll have access to model, part, and
symptom specific repair help.
RepairClinic.com: You're welcome.
TheSpiffer1: My thermostat failed to conduct even when placed in ice water, so it seems
to be bad. But when I inspected the evaporator coils, they were not all
iced up; instead only the first 6 or 8 inches were icy. Is it worth
replacing the thermostat, or is there a more serious problem, like a leak
in the sealed system?
RepairClinic.com: @ZombiedustXXX The most common symptom is the cooling is poor in the
refrigerator. But it could either be the cause of the defrost thermostat,
defrost timer, or the defrost heater. The parts would have to be tested to
determine which is at fault.
filipinofighter1: @RepairClinic I also found out that when i shake the thermostat it rattle,
it seems that something was gone bad inside the thermostat but I'm not sure
if thermostat that i tested last night was really shorted. Kindly help
solve my diagnosis of my GE refrigerator model DSS25KSRE. Your reply would
RepairClinic.com: Correct. That is why you put it in ice water.
RepairClinic.com: That's great! I'm glad you were able to figure out what was wrong. Enjoy
your working refrigerator!
Jason Vorhees: Shouldn't it only have continuity when it is cold enough for the switch to
RepairClinic.com: If your thermostat gets a reading of 0 ohms of resistance, the thermostat
Andy Hopper: Mine shows NC at room temp.. I restarted the fridge without it.. so cct is
open now.. problem I have def cycle not working.. I tested heater cct.. its
closed cct.. even bought new controller, nope.. service manual doesn't tell
how circuit makes its decision when to run.. I'm guessing its still a
timer.. Samsung RS2630
Richard Riley: Maytag # MSD2660KGB The freezer and refrigerator is working but not
cooling. And it have a digital timer and each time i set it will not stay
to its original settings. Do you think the problem is in the timer?
Mara Natha: Thanks for the video.
Could you please help me with checking the defrost heater? I did the
continuity test and it was positive. Then I checked the resistance and
found that it is ZERO. Does this mean my heating element is bad?
Fred Allen: Yesterday I was in a bad mood when my new defrost thermostat (L55 - 35F)
tested the same as my original one. It measured 56,000 ohms at room
temperature AND after 10-20 minutes of ice water.
Hitting the internet i found ablog that made total sense. My model of
defrost thermostat has a high resistance rather than open to allow a low
level of heat on the heater for the rest of the defrost cycle to prevent
water drops freezing on the way to the drain trough. After I defrosted the
freezer totally which allowed air passage through the previously frost
filled coils thus freezing could then function again I placed BOTH new and
old thermostat into the freezer for an hour. Presto bad mood gone......the
original one still measured 56 k ohms (56,000 ohms) and the new one
measured 0 ohms. Today the freezer will have the new one installed with
issue fixed. I know it will be fixed because the defrost timer was replaced
last month and the heater measures 30 ohms. Plus i had placed a wire jumper
in place of the defrost thermostat then forced a defrost by slowly turning
the defrost timer manual dial till the freezer fan stopped...once the ice
cube placed against the heater started to melt fast,,,fix should be A OK
once defrost thermostat is changed.