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New install Gree 3 head 24k btu ductless mini split. Ran for 3 weeks, then got 3 red flashes on outside unit board. Compressor does not kick on anymore. Fan units inside just blow room temp air.

We got a replacement main PCB board from Gree and got the same 3 red flashes on board. Error code in manual says: 1. Incorrect Refrigerant Charge: (Although we can't add or check pressure since compressor never turns on.) 2. Metering Device Malfunction: (Not sure what a metering device is. Is this a thermostat maybe that is broken? Maybe a broken thermostat isn't telling the compressor to turn on?) 3. Compressor Malfunction: We tested the three pins on the compressor with a multi-meter and all 3 report the same continuity/resistance. GREE MULTI24HP230V1BO TWO 9k btu and ONE 12k btu Please help if you know the solution. Thank you in advance for any/all help you can send my way.

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It's low on refrigerant. Chances are it's on one of the flare fittings where the copper connects to the unit. You should have a one year labor warranty from the installer, should not cost you anything...3 WEEKS???

Posted on Apr 15, 2017

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Posted on Jan 02, 2017

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