My fridge is not getting cold like it should. what should I do?
I have a Haier mini fridge model hrt02wncbb it will not cool, The fan runs all the time. I keep it in my class at school but there is five other mini fridge they work find what should i do?
I bought one of these for the basement. It states it is designed to cool 20-25 F degrees below surrounding air. This works well in the basement. Mine gets into the mid 30 f range and the basement is about 70 F. Pop and beer stay good and cold . Best if you pre cool before putting it in the frig. This frig is a thermal electric unit and has no compressor or refrigerant, Will not work well in a non air cond area. It is make like the plug in cooler you can plug in to you car cig lighter. This doe's work well for what I am using it for but I wouldn't try to keep meat in it just beverages and such.
Hi,
Many times a freezer and/or refrigerator do not work right because of a dirty condenser coil...there are also many other things that can go wrong.
If you are hearing a clicking or buzzing then check out the last two tips.
If your refrigerator is running but warm, then...
Check out these tips that I wrote about that... it is a great place to start trouble shooting your unit...and something that you can do rather then calling a repair person to do a simple thing for you...
Refrigerator Condenser Coil Cleaning Refrigerator Repair
Refrigerator Troubleshooting Refrigerator Compressor
Refrigerator Compressor Start Capacitor and Start Relay
Refrigerator or Freezer not Cooling or Getting Cold
heatman101
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Having the same problem. Check the 1st page of the manual #11. It states not to keep anything in it below 40 Degrees and most meats, fish etc. need to be kept at between 33 Degrees & 40 Degrees. Mines been running constantly on High. Im returning it to Best Buy.
Saw one suggestion to check the power to the compressor, but
these little Peltier coolers don't have one.
In a thermoelectric cooler heat is transferred using an electronic Peltier
Device (an array of Peltier diodes), not a Carnot engine. They are not nearly as electrically efficient
as your grandmothers Fridg, not yet anyway. But they have no moving parts.
Readily available, and affordable, commercial devices today can generate a
temperature delta of 70 degrees C.
The ability of these thermoelectric refrigerators to cool is dependent on a
real good seal. Compared to a traditional refrigerator they don't have much
cooling power. Pre-Cooling things before you put them in is an excellent suggestion.
Leaks and opening the door frequently
will heat them up in a hurry, so will putting a bunch of warm items in all at
once. However, mine is new and the seal
is perfect.
Their performance is also dependent on the ability of the exterior heat sink to
reject heat and the interior one to collect heat. It won't work if the
refrigerator is kept in a hot environment, if ice forms on the interior heat
sink, or the outside one is covered with a blanket. It is also possible that
there is not a good thermo-mechanical connection between the device and the
heat sink on one side or both. If everything else seems to be fine, you could
pull off the exterior heat sink and see if the device underneath is cold to the
touch. If it is, then you could tightly remount both heat sinks with a good
thermo-mechanical grease or adhesive between the device and the heat sink. Mine new and kept in a 70 degree F, low
humidity office so I don't have a mechanical problem.
It is also dependent on enough current getting to the Peltier device, and the
device working. The voltage across the device should be 0.8 – 34 VDC and the
current should be 1 – 20 A, typically the higher the current the higher the
voltage.
If that is your problem, and there is nothing clearly wrong with the circuit,
like a blown fuse or popped cap, you are going to need a schematic and some
knowledge of electronics to troubleshoot the circuit board.
I suspect the circuit will have a constant current source for the device, and
that the current source is turned off and by the temperature sensor, much like
a regular Fridg. But a schematic would be real nice. That's what I 'm looking
for, a schematic. Good Luck.
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