carrier furnace repair
carrier furnace repair help?
led flashes 3 fast and three slow flashes and then thermostat goes off. thermostat is hard wired and switched with other one in building that i know works and it still does the same thing when it shuts down furnace. led light is on control board
look on one of the panels for the fault code that matches your number of blinks. Then if you cannot figure it out then post an update with what the fault was for more help
Furnace Repair – Maintaining Steady Temperature Tutorial
