I changed the smart value around 4weeks ago, furnace worked for 2 weeks then started to short cycle so i cleaned off the flame sensor and it worked for a week. Look to see if the pilot light is lit if your concord furnace is powered by natural gas. My furnace isn't working, what should i do first? Cg90cb, cg90ub, cg90tb, cg92tb & cg95tb. Save these instructions for future reference. 80% furnaces may be common vented with another appliance in certain circumstances.

To add to the fun, an inducer motor running slow, deteriorated or plugged inducer motor fan blades or cracked heat exchanger can cause the . High efficiency 90+ condensing gas furnace. My furnace isn't working, what should i do first? For example, concord furnace 3 flashes mean problems with pressure. Refer to the installation instructions and category i venting tables. Where Can I Find The Model And Serial Numbers For My Heating System Troubleshooting from 80% furnaces may be common vented with another appliance in certain circumstances. My furnace isn't working, what should i do first?

Concord 80 plus gas furnace manual