My Carrier 58MVP furnace seems to cycle up and down frequently. When it cycles up the air flow from the vents seem almost non existent and the air is warm but not hot. I believe there is an issue here and what can it be?
We had the same problem with the same furnace, CODE 32 DISPLAYED ON THE LEDS. I fixed it by cutting the air inlet pipe and using a hair dryer to supply heated combustion air to the furnace. Once I did that it started to run more and more until it finally heated the house up and works fine, so far so good.
We had a severe drop in temps, sunday it was 40 and rain and that night it dropped to -5 I suspect those conditions contributed to the problem. Wife observed this has never occurred before in 14 years of operation.
Nicknamee again. Forgot to add, I used the hair dryer for about 1/2 hour which must melt ice in the supply pipe. Once the furnace runs OK I remove the hair dryer and reattached the intake pipe with a hubless pipe fitting, the rubber kind with hose clamps.
In NO WAY should you leave the hair dryer in place for anything more the melting ice in the pipe.
I had a reoccurance tonight and the hair dryer worked again, I may have an issue with the vent pipe, angle or so cold out it's freezing in the outside portion of the pipe.
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