Have HVAC Questions? Ask an HVAC Expert for Answers
Hi my name isXXXXX will do my best to solve your problem. Reply to this post and I will reply back with help before rating, Thanks Garyc
my heil quiet comfort II is indicating that the high pressure switch is stuck closed...is this something I can fix?
yes, we can unstick it sometimes, or you can replace it
are you at the furnace now?
upstairs but can get there easily enough
ok i will tell you what to do, and look for, then will have you try and come back and tell me what happened
at furnace now..pattern is it fires up fine, run for 1 or 2 mins then heat goes off then fan shuts down
you need to kill power to the furnace, remove both doors, in the burner compartment you will find the pressure switch, it will be near the flue pipe, and the inducer (flue motor)
getting 8 blinks from led..
what does 8 blinks say on the back of the door as far as a trouble code
high pressure switch stuck closed
if the switch is stuck, it should not fire up again
so you know what the pressure switch looks like?
will look something like this
yup..high pressure switch on upper right..low pressure switch on lower left..correct?
could be silver an metal as opposed to plastic
yes power off furnace, and taking a screw driver handle, tap sharply on both switch's to unstick them, a few times, repower furnace and tell me if it runs
also remove the tubing to switch
you mean give them a whack?
make sure there is no water in them
yes give a wack, not super hard we are just trying to unstick a switch not break it
remove the hoses, check for cracks and water
blow throuh them and reinsert
then try furnace again, once back together
sounds like water in bottom of blower fan housing...normal?
clean your drain lines, remove the hoses and use a shop vac, the lines are clogged, and will mess with the suction of the pressure switchs
due to the water
do you understand what i want you to do?
ok, do that and put back together and try
lcan i switch to q/a format since this will take you a bit
then just reply to this post, i will reply back with your findings
that did the job...thanks..problem occurred the next day but turns out there was blockage the drains that kept water in the blower..cleaned it out and now it's all good.