Oct 11, 2007 · To determine if it is code 13 or 31. The first digit is the number of short flashes, the second digit is the number of long flashes. 13 is limit circuit lockout, in which case your furnace …

Nov 12, 2021 · Furnace #2 - unit turns on, immediately the blower motor comes on, 33 code shows immediately, then ultimately a 13 code. replaced the hot surface ignitor (previous one …

Dec 3, 2017 · Symptoms 1. With thermostat at “fan on” and “cool”, target temperature lower than room’s, no air or blower motor motion or any noise. 2. Heating works for 10 minutes then limit …

Nov 9, 2018 · It is for sure a 13 code, has one long flash and then 3 short flashes. When I power it off and restart it, I get the 33 code first and then after the 90 seconds or so it then goes into a …

#13 · Jan 17, 2020 (Edited) Your heat exchanger has probably been slowly plugging up for a while and it had to get bad enough for the rollout to trip. It probably had to run for a long time …

Feb 26, 2020 · The small induction motor comes on prior to the flame ignition, the flames ignited however the large blower motor did not turn on. I could then see the 13 led code flashing. A …

Feb 17, 2022 · Thank you so very much. I will try and update. But a quick question. If the board is defective, then how come it works fine when the temperature is not so cold. I tired over the …

Nov 13, 2013 · Make sure you are not getting a code 31, which is a pressure switch code.Alot of people read the code backwards.First number are the fast flashes and the second are the long …

Nov 15, 2011 · My furnace stopped working a couple days ago and is flashing code 33 then after a couple minutes starts flashing 13. The day the furnace stopped working was extremely …

#16 · Nov 13, 2016 (Edited) okay, yah so you have the 3 ton drive furnace. would need the model of the outdoor unit to see the size. the coil is 2.5 ton but may be matched to a 1.5 or 2 ton …