I HAVE A MXZ-4A36NA MODEL OUTDOOR UNIT. I DID SOME TROUBLESHOOTING USING THE MYLINKDRIVE WEBSITE. MY OUTDOOR UNIT LED LIGHTS ON THE PC BOARD ARE ALL OFF. I POWERED UP AND POWERED DOWN THE SYSTEM. I CHECKED POWER AND ALL THE TEST POINTS CHECK OK EXCEPT AT THE WIRE WHERE THE POWER BOARD GOES INTO THE PC BOARD THERE IS ZERO VOLTAGE AT ALL. I TROUBLE SHOT IT DOWN TO THE POWER BOARD I THINK AND HELP ON TROUBLE SHOOTING THIS? I AM ALSO TRYING TO LOCATE A POWER BOARD ONLINE FOR SALE PARTS. ANY HELP ON A GOOD SOURCE FOR THIS PART POWER BOARD PART # M21OA1440 ?
szalkuskt
This website doesn't assist DIY repairmen. I suggest you call someone out to look at this for you. Attempting your own repair can be dangerous (220V is nothing to play with), and you may end up costing yourself more than a repair would've been. I suspect replacing your control board will not fix your problem.
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