I have a 2017 Solitude 310GK and the AC has alway worked perfectly until last week. The main AC, a Coleman-Mach 48000 series, will not function on Hi Fan, Hi Cool or Hi Auto. It works perfectly on Low Fan, Low Cool and Low Auto. I've check the thermostat with a volt meter and it is signaling for high functions properly, but nothing is happening at the AC unit. Maybe the controller board is failing? Is there any other way to further isolate the issue?
Thanks,
John
Thanks,
John
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