2 1/2 weeks ago my installed in April and not used till then new Carrier Seer13 unit went out after being run for 3 days.[ It had evidently tested fine in April in 60-70 degree weather.] I called and got svcman jerry, told him furnace wall was starting to sweat and was cold he said turn off unit. Next day svcman came out and said was a bad motherboard. 2...
