Question about Sanyo SR-172 Compact Refrigerator

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SR-172W not cooling

I have many Sanyo SR-172W in my small hotel. One of them is no longer cooling. How do I tell if the refrigerant is gone? How can I make it work?

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  • Anonymous Mar 19, 2014

    Where can i find a temperature sensor to fix my wine cellar that never stops cooling?

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MOST CASES ... THEY ARE NOT LOW ON 134A . TO TELL ... YOU NEED ONLY START THE COMPRESSOR AND HOLD YOUR HAND ON THE SMALLEST COPPER-LINE ... IF IT GETS REAL HOT 110-130 DEGRESS YOU HAVE A CHARGE. IF YOU MOVED THIS FRIG. AT ALL LATELY MAKE SURE YOU LET IT STAND UPRIGHT UNPLUGGED !!! FOR EIGHT HOURS. YOU CAN ALSO SPEED THINGS UP BY: HEATING WITH A BLOWDRIER BOTH THE COLD PLATE INSIDE AND THE BOTTOM OF THE COMPRESSOR ... THIS BOILS ANY REFRIGERANT OUT OF THE OIL AND LETS THE OIL RETURN TO THE COMPRESSORS OIL RESEVOIR THAT IS AT THE BOTTOM OF THE COMPRESSOR. THESE SMALL FRIGS ARE GREAT ... BUT FRAGILE TO MOVE AND DEFROST. OIL CAN GET TRAPED IN THE COLD PLATE AND NEDDS TO BE HEATED OUT OF THERE AND SOME UNFORTUNATELY USE METAL OBJECTS TO DE-ICE. A LOW CHARGE WILL NOT FROST THE COLD PLATE (EVAPORATOR)EVENLY AS IT SHOULD. LOW CHARGES (AFTER YOU HAVE DONE THE ABOVE) ... WILL ICE UP IN JUST A SMALL SECTION WERE THE PIPES AND CAP-TUBE GO INTO THE COLD PLATE. THESE DONT LEAK UNLESS SOMEONE TOOK A ICE-PICK OR EQUALLY AS DEVESTATING TOOL TO DEFROPST IT. ONLY WAY TO DEFROST QUICK IS WITH HAIR DRIER ...DO NOT PROP-IT UP IN THERE AND WALK AWAY .. YOU CAN MELT OR WARP INSIDE PLASTIC HOUSING !!!!! THEY ALL NEED MANUAL DEFROSTING THE MINUTE ICE STARTS ACCUMILATING. OR BUY A APPLIANCE GRADE HIGH AMP (10 AMP) PLUG IN TIMMER AND SET TO GO OFF AT 3AM AND COME ON AT 4PM ... ONLY 1 HR. IF THERE IS A VISABLE HOLE IN THE EVAPORATOR COLD PLATE ... IT IS ALUMINUM AND FORGET ABOUT EXOPY KITS TO REPAIR THEY ONLY LAST A YEAR IF THAT. IF YOU CALL TO HAVE IT REPAIRED RIGHT WITH SOLDER ... USUALLY A REPAIR LIKE THAT WILL NOT BE WARRANTIED AND PROBUBLY COST MORE THAN TO BUY A NEW ONE. GOOD LUCK.

Posted on May 07, 2007

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1 Answer

The round metal ball looking thing in back of mini sanyo sr-172w sounds like there something loose is it soppose to sound like that?


The round metal ball thing as you call it is the compressor. They generally run pretty quietly but do rattle a bit when they stop. The casing will also feel fairly hot to the touch. However, if the compressor is making a constant rattling noise I think that maybe you should get it looked at. Since this is the main thing that runs a refrigerator I would imagine that replacing it might be fairly expensive. You'll need to balance repair against new depending on how old the 'fridge is. Sorry to be a bit of a gloom merchant but I have to tell it as I see it.

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it sounds like ice has built up on the evaporator. This is will prevent air flow that will cool the fridge, it will also touch the fan and make a noise.
You may find that the defrost heater has been dislodged from it's normal position and can no longer melt the ice on defrost.
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Check out these tips...they can help you figure out what is going wrong withyour refrigerator and why it is not cooling

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What is the wattage requirement for the Sanyo SR 172W?


Although the information is not published by Sanyo I was able to find out that the fridge uses about 90 watts.

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Hi!
Before you can refill the system, you need to have the leak fixed. They have to evacuate the system, weld shut the leak, vacuum the system for 30 min. and refill refrigerant to proper level. This is a job that by Federal Law has to be performed by an HVAC Certified Technician. Take the unit to an appliance repair shop for repair, this way you'll save on the service call.
A HELPFUL - 4 THUMBS - Rating and a TESTIMONIAL would be greatly appreciated if you are satisfied with this FREE solution. Thank you for using FixYa.

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sounds like it has a refrigerant leak somewhere in the unit.

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Not cooling....


Sounds like you checked for the proper items, fans to move cold air, etc. and if stuck in defrost mode. If the compressor is running you would have to be cooling unless... the refrigerant has leaked out. And that is basically a bad thing. If in defrost cycle the compressor would stop while defrosting soooo it's looking like the refrigerant is gone. Can you take the back interior panel off to see if the coils have a full frost pattern?

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