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I just purchased a 24k btu split unit, it works but the board won't lit and doesn't take command from the remote.

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Check your batteries

Posted on Jul 04, 2010

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Posted on Jan 02, 2017

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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.


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???

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I have a split a/c hitachi model number RAS-3HQE5 it stopped working the other evening, i have power to the outdoor unit when i removed the cover i found a mouse shorting across the power supply...


The shorrting could have damaged the control board and so the board commands must be checked. The output to the outdoor unit comes from the processor in the indoor unit and so checking the working of the processor is important. It is possible that the short could have damaged the circuit and so a trace is need on the tracks that was shorting.
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I've got one single 12000 btu ac unit and one double 24000 btu unit and three wall units controled by 3 remote controls.Recently one of the remotes stoped to work.I've changed the batteries(were...


Taking apart the hand held remote won't serve any real purpose as none of the parts inside are replaceable. Since you have 3 different units, with 3 different hand held remote. I'm wondering, if perhaps, you're using the wrong remote on that one unit. As each one has a different remote code.
In addition, I have learned from experience, that if the display screen on the hand held works, the problem is not in the hand held. Now, that's not to say, Operator Error can't play a role in it. But, most times, it's the receiver in the unit,that may be causing the problem. Or the hand held is to far away or something is blocking the signal in between.

Almost every appliance we sell, has a radio frequency remote control. The most problems we incur is with weak or dead batteries or operator error. The problem with batteries is that you don't now how long they sat in a warehouse, before making to a retail outlet and then how long they sat on the shelves there, before they were sold. They may have enough power to activate the handheld remote, but not enough to transmit a strong signal. So, check the strength of the new batteries you installed.

Hope this helps and thanks for choosing FixYa.

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It is possible that the contactor points have carbon or dust deposits causing an intermittent condition or bad connection. Why not try replacing the contactor?

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