Question about Heating & Cooling
Three thing could be wrong. First the easiest. Check thermostat for fresh batteries. inspect to see if the thermostat setting inside the thermostat, a switch, is set for the correct medium you are using i.e. electric, or gas. If those are correct then the second thig to check for is to see if the heating element is in good shape (this is only for electric heaters) disconnect on side of the electrical on the element and check for continuity using an electric meter set to ohms If you get a signal then your heating element is good. That leaves you with a hi-limit switch This switch is a safety device installed to prevent the heater from getting too hot and cause a fire. These switches look like a silver button and are mounted towards the heating elements. Hard to test one so if all others are working or check good then I would have the hi-limit switches replaced.
If this is a gas operated furnace then there could be a couple thisng. First the thermocouple could be bad. This is the small shaft you see sticking into the pilot light. Easy to replace following instructions. Secondly, Gas valve could be bad. No way to test without special tools and equipment. Gas pressure supply to the valve again hard to test without special tools. Good luck hope this helped
Posted on Sep 04, 2009
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Posted on Jan 02, 2017
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