Question about Senville 18000 BTU Ductless Air Conditioner & Heat Pump

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Senville mini split displays a "defrost" symbol????

I bought an 18000 BTU ductless unit and it ran great through the summer. Now it is spring and I have selected the unit to heat mode. Initially when I selected it to heat mode the unit was turned off. The remote was changed to indicate heat mode and then selected to on. The base unit you can hear the fan start up, then after several minutes the head unit fan cuts in and runs warm air for a few seconds then the heat seems to lessen then the the head unit stops with a "defrost" icon displayed on the head unit beside the temperature setting. The base unit continues to run, however the head unit cycles off for a few minutes then on then off again... I can feel that the high and low pressure lines that one is hot while the other is cool. The head unit runs for about 45 sec to a minute then cycles off where the defrost icon displays. I am pretty disappointed that this is such an issue...as stated by others Senville has no webpage for people to write and ask questions in a forum. Might be helpful to scan for what others had to do. Any advice on what to do would be appreciated. S.

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It's a heat pump and that is how they work. But it shouldn't be cycling so much unless you live in Minnesota? The colder it is outside the more chance that the outside coil will freeze so it will go into defrost. It may be low on charge or have leak as well. Call a tech to verify.

Posted on Apr 13, 2014

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