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.

Fortunately you re in the right place for diy furnace circuit board replacement. Twice in less than a 12 hour period my carrier 58cva furnace blew the 3 amp fuse in the control board. Your furnace s control board has a separate fuse that protects it from getting too hot. I have a carrier furnace the furnace will not kick on.

30 and 40 year old furnaces we see still out in the field have these relays and switches. There may be a number of fuses depending on the furnace system. Some people call it a control board but whatever you call it you need a new one. In many cases our carrier high efficiency furnaces also include technology that can produce enhanced comfort benefits and quieter operation as well.

Condensate collector box rotted out and leaked water onto circuit control board shorting it out and tripping circuit breaker. Carrier model 58sx100 cc 1 series 150 serial 5186a10020. Inspect the fuse or fuses to determine which fuse has failed. But the furnace will not ignite or run.

What else could it be. 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. Model number is xxxxx or o for last letter. Current high efficiency furnaces can be rated up to 98 5 afue which can reduce utility costs over the life of the furnace.

Replaced box 311 read more. He then determined it blew my carrier thermidistat. If you pull the 3amp fuse out then the fan will kick on. 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.

Let s say you determine your carrier furnace circuit board has gone bad. The first time it blew the technician replaced the fuse and the system still wouldn t start. I have replacd the circuit board and nothing.