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Hi if you are looking at the indoor unit and this is where you see this flashing light, remove the panel. The circuit board is where this led light is. You will also have a 3 to 5 amp fuse plugged into the board. Look for a chart on a panel door. It will be glued there. It will tell you what the problem is according to how many times it flashes. Could be several different safety switches. Make sure there is no door panel switch on the indoor unit, has if there is, the unit will not run after you remove the panel, it kills power to it. You may need to tape it down so you can have power to run it and check it out. Is the indoor unit a gas system or is it a 4 ton heat-pump? If you cant find what I have said, get back to me after checking these things and let me know . Check all breakers. Let me know if this is a package unit or a split, indoor and outdoor unit, or all in one. I will wait to hear back from you on this. Sincerely, Shastalaker7 A/C, Heating, & Refrigeration Contractor.
air conditioner will run fine and then shut off. When it does this the nature indicator light on the unit begins flashing
If I attempt to turn it back on the fan revs up and then shuts off
15seconds later. I'm not sure what it's trying to convey with theblinking light but when the AC shuts off...
TOYO mini split air conditioner made in Japan is very very good quality and it can runs for 20 years without any problem. You didn't hire a best ac technician to install your TOYO unit. The tubing connection between indoor unit and outdoor unit is not the right torque and refrigerant leak. Your TOYO unit runs out of refrigerant. You need fix the leak and fully charge the system. You will solve the problem.
There appears to be a short in the unit. Not sure where. The power to the fan is not interrupted completly when the fan shuts down, still feeding voltage to the fan, keeping it running slow. Before checking the wiring, please turn off power first.
http://edgestar.com/ownersmanuals/AP550Z_wire-fix.pdf This could apply to at least one of your units. Apparently these models have had some trouble with the compressor capacitor wires coming loose. If they're barely touching they could cause the compressor to run intermittently and possibly overheat. The compressor runs in heating and cooling mode.