Carrier Furnace Circuit Board Fuse

After putting my old honeywell ct3600 t stat back on the system ran fine for a few hours then blew the fuse again upon the start of a cycle.

Carrier furnace circuit board fuse.

There may be a number of fuses depending on the furnace system. A thin metal bar visible through a glass window on a screw fuse or viewed from the side on a plastic buss fuse will be broken on a failed fuse. In many cases our carrier high efficiency furnaces also include technology that can produce enhanced comfort benefits and quieter operation as well. Let s say you determine your carrier furnace circuit board has gone bad.

I have a carrier furnace the furnace will not kick on. Current high efficiency furnaces can be rated up to 98 5 afue which can reduce utility costs over the life of the furnace. Just enter your carrier model number in our parts finder choose your shipping options and purchase the. What else could it be.

Model number is xxxxx or o for last letter. Your furnace s control board has a separate fuse that protects it from getting too hot. I have replacd the circuit board and nothing. Some people call it a control board but whatever you call it you need a new one.

Replaced box 311 read more. Printed circuit boards these days are composed of shrunk down relays and switches mounted on a rigid green board to orchestrate the sequence of operations that start up the furnace and gives us heat. 30 and 40 year old furnaces we see still out in the field have these relays and switches. The first time it blew the technician replaced the fuse and the system still wouldn t start.

Fortunately you re in the right place for diy furnace circuit board replacement. But the furnace will not ignite or run. If someone is poking around your furnace and is not too careful they could more wires so that they come into contact with the furnace s wire frame causing them to short and blow the fuse on the furnace board. He then determined it blew my carrier thermidistat.

Condensate collector box rotted out and leaked water onto circuit control board shorting it out and tripping circuit breaker. Twice in less than a 12 hour period my carrier 58cva furnace blew the 3 amp fuse in the control board. Carrier model 58sx100 cc 1 series 150 serial 5186a10020.