Rollout switch might be tripped . You should see a small window on the door of the furnace. If you look in there and see a red light, count the number of times it blinks. Sometimes the panel will have a guide that wil tell you how many blinks means what. You can also google make model and blinking light
Dev-N-Danger t1_ixh2at6 wrote
Reply to Furnace blowing but no heat? by urbanm0nk
Rollout switch might be tripped . You should see a small window on the door of the furnace. If you look in there and see a red light, count the number of times it blinks. Sometimes the panel will have a guide that wil tell you how many blinks means what. You can also google make model and blinking light