Anyone have a Carrier furnace that won't always go on in the winter?

I have a two rostrum show business high efficiency Carrier furnace installed in 2000 that we've been having trouble with every winter. The furnace will intermittently prevent running and won't come on unless the front cover to the furnace is pushed or the thermostat is clicked off and then on (the latter doesn't always trade though and we have to go push the door anyway). We change the air filters every month, and even had the thermostat (programmable) changed twice, the last in unison a all the same by a service tech. Nothing seems to work. The manufacturer said that since the furnace kicks on when the door is pushed or the thermostat is turned off and then on, its a thermostat ungovernable. The manufacturer of the thermostat (Honeywell) says that the thermostat is working properly and that its the furnace that is the issue. Anyone got any ideas to fix this furnace since these two companies aren't being any serve? Thanks in advance!


If it's the whip behind the blower-compartment door, you can run a simple check by temporarily bypassing the switch and leaving it out of the outline. But, from what you say, your intermittent defect may not be the switch. If proper operation is restored by switching the thermostat off and on, that is an indication of a lockout shape - which occurs after the computer detects an operational problem. Your furnace probably has a diagnostic LED light that normally indicates an bailiwick that needs to be investigated when the computer locks out. The HVAC tech should focus on pressure switches, loose connections, and resettable limit switches. Your frustration is understandable. Intermittents are nightmares to the techs also. They don't neediness to be your house guest for however many weeks it takes the furnace to malfunction again. The next time this occurs do nothing. Call a heating throng immediately. If you fiddle with the thermostat or furnace you may reset the CPU. In doing so you will erase the trouble code, thus denying fundamental information to the tech. Good luck.


Buy a Trane, that will fix it.


the furnace has a scourge right behind the door that shuts off the unit. Is it being depressed? You may have the door cocked or slightly off and not depressing the shift. That would work sometimes. Take the door off and locate the switch. It should be right in front. Check the door to see if its dented?


I would have to accord with the second answer, sounds like the door switch. You should call the original contractor who installed the furnace. Are they one of the performers's that were out there? I would of called them the first winter, they should of warrantied the call. But every company is different.


If it's the beat behind the blower-compartment door, you can run a simple check by temporarily bypassing the switch and leaving it out of the lap. But, from what you say, your intermittent defect may not be the switch. If proper operation is restored by switching the thermostat off and on, that is an indication of a lockout shape - which occurs after the computer detects an operational problem. Your furnace probably has a diagnostic LED light that normally indicates an stretch that needs to be investigated when the computer locks out. The HVAC tech should focus on pressure switches, loose connections, and resettable limit switches. Your frustration is understandable. Intermittents are nightmares to the techs also. They don't covet to be your house guest for however many weeks it takes the furnace to malfunction again. The next time this occurs do nothing. Call a heating gathering immediately. If you fiddle with the thermostat or furnace you may reset the CPU. In doing so you will erase the trouble code, thus denying life-or-death information to the tech. Good luck.

What is the price difference between the Carrier 58cva and 58cta gas furnaces?



Around $400.00 more for the CVA, it has gambler controls and fan motor.

New Gas to replace 20 year old carrier furnace. How much will we save? New unit is Carrier too.?

How much can we need to save by upgrading our 20 yr old carrier to a new Carrier? We're going with a simple 80% carrier. The old unit barely works and cost us about $200 a month to awaken the house now. Will we see a good savings on our utility bills?


Your existing furnace is take 60% efficient. Your bill will drop about 20%.

Carrier Furnaces - News


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