Blog posts tagged with 'Lennox error code lookup'

Furnaces are generally reliable, but they are prone to many problems, most of which can be prevented with care and maintenance. If your Lennox furnace won't turn on, doesn't give enough heat, or cycles on and off repeatedly, a little troubleshooting can solve the problem without the need for a repair person. See our Lennox furnace troubleshooting guide and error codes.