Carrier Furnace Circuit Board Fuse

What else could it be.

Carrier furnace circuit board fuse.

But the furnace will not ignite or run. Some people call it a control board but whatever you call it you need a new one. 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. There may be a number of fuses depending on the furnace system.

Electric furnace thermostat control wire. The first time it blew the technician replaced the fuse and the system still wouldn t start. Just enter your carrier model number in our parts finder choose your shipping options and purchase the. Current high efficiency furnaces can be rated up to 98 5 afue which can reduce utility costs over the life of the furnace.

He then determined it blew my carrier thermidistat. Let s say you determine your carrier furnace circuit board has gone bad. Your furnace s control board has a separate fuse that protects it from getting too hot. 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. Inspect the fuse or fuses to determine which fuse has failed. 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. In many cases our carrier high efficiency furnaces also include technology that can produce enhanced comfort benefits and quieter operation as well.

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. I have a carrier furnace the furnace will not kick on. Replaced box 311 read more. Model number is xxxxx or o for last letter.

30 and 40 year old furnaces we see still out in the field have these relays and switches. Fortunately you re in the right place for diy furnace circuit board replacement. Carrier model 58sx100 cc 1 series 150 serial 5186a10020.