Fault code reset the last 4 fault codes can be erased from memory by powering up the control with g energized and then applying r to the w1 terminal 3 times within 6 seconds. Disclaimer information in questions answers and other posts on this site posts comes from individual users not justanswer justanswer is not responsible for posts. I need your help with american standard air conditioner error codesamerican standard is the label trane slaps on the acs that dont meet trane standards th. What is code 158 on trane comfort link jump american standard heating air conditioning heating ventilating air conditioning service daikin brasil engineering service danfoss cooling company ingersoll rand interest york home comfort product service hvac school heating ventilating air conditioning service nexia . Just got this code popped up on the air handler is this an after hour call or can it wait till monday am8a0c36v31ca alert code 158 coil freeze fault id coil frst err158 err 1580 user display 11 13