Had tech onsite for a strange harmonic/noise issue. Bad bearing type sound but also very similar to when my king valve wouldn't fully open and needed to be replaced day1.
Tech hopefully has isolated problem to fan motor which hopefully will get installed tomorrow. I say hopefully as tech's readings/numbers don't indicate any obvious defect and it's sad as unit is just under a year old.
HOW COMMON IS THIS WITH TRANE? Sure glad I got the 10 yr labor warranty along with the parts piece.
Longer version is I have 2 xl14i's w/r22 which sit next to one another--both just under 1 yr old. (near my computer office so I end up hearing them run)
Both have be running pretty well but all of a sudden unit #1 makes high pitch harmonic noises during times of little to no load for only 1st 5 minutes. ( morning & evening hours ) Unit #2 makes no such noises.
Problem unit does not make any unusual noises during the heat of the day and noise goes away often after about 5 minutes but longer now that its been 75F in the a.m. vs 90F.