Have one thats 14F out of calibration. Reading 14 degrees lower than space. Its about 5-6 years old.
Can they be recalibrated? There has been no wiring changes or any other problems before today.
"My hands are for sale"
Call Trane and get BAYSTAT19 manual & go into settings and re calibrate ur stat. Its easy-even ur apprentice in union school over in LIC can do it!!!
Perhaps you should have read the instructions before calling.