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I have a Trane Comfortlink II AC system and the thermostat
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Seems I have the same problem as someone who asked question
Seems I have the same problem as someone who asked question in 2015. Trane Thermostat is posting a system error - Err 126.00, Err 091.06, Err 091.03, Err 091.05, SOP.004.01, CFG.001.04 I am trying to … read more
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FYI, I was looking at this question: I have a very similar
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My Trane comfortlink II thermostat is giving me an err 91
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Hi there. I had a new Trane unit installed about a year ago.
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