This was a very tricky service call
Bad control board
What will you learn in this video?
Heating sequence of operations
How to use your multi meter?
How do you check voltage to the inducer motor?
How do you check the pressure switch with a meter?
How do I read a schematic?
And a few other things
troubleshooting american standard air conditioner
https://youtu.be/c14dOkRN6CE
Fieldpiece SC440 True RMS Clamp Meter with Temperature, Inrush Current, Capacitance and Backlight
https://amzn.to/3SNaC4e
Join this channel to get access to perks:
https://www.youtube.com/channel/UCuMyjTVlkM4xZ5z_eSyoB1w/join
Wanna learn more about hvac? Check out my hvac tips for technicians playlist.
https://youtube.com/playlist?list=PLVjetZt5xgenmO76adHwb2ctyeBIFKUus