Capacity or model selection SW6 and SW5 dip switch settings on Main PCB of outdoor unit configuration, this must be done when you replace the board or the compressor will not stay online and unit will not cool or heat… please see part 1 video for diagnostics .
IT DIDN’T WORK AFTER MAIN PCB WAS REPLACED MITSUBISHI MINI SPLIT TROUBLESHOOTING PART 1 https://youtu.be/Ly1hAx9fPh0
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Thanks for sharing
Informative platform you provided Dip switch gives you choice how do you wanna run big thumbs up by new frnd