It’s the job of the high-level/high-limit switch to shut down the furnace if the temperature in the combustion chamber reaches a certain temperature. This excess heat can be caused by a leak in one of the combustion chamber tubes or by the improper exhausting of the hot air (which ...
Inspect the fan limit switch for problems. Follow these troubleshooting steps to determine which of the above is your problem: 1. Locate your fan limit switch and check if the white knob (see pic below) has been pressed in. If so, your switch is set to manual override or “always runnin...
Next time your forced-air gas furnace acts up, perhaps one of these basic troubleshooting tips will save you a service call. Plus we’ll show you some maintenance tips that will help keep your furnace in top shape. Compared to a gas furnace, an electric furnace is a bit simpler to under...
NEXT SEE: •Maintenance Checklist for Central Heating Systems •How to Buy a Furnace for Heating Your Home •Furnaces & Heating Systems •How a Gas Furnace Works •Buying a High-Efficiency Furnace Featured Resource:Get a Local Heating Contractor...
The problem, in this case, is either that the motor is bad or the capacitor that supports it is bad. This video will assist you in troubleshooting draft motor issues and what is causing them. 5. The Flame Starts, but the Furnace Shuts Down ...
Shut power off to the furnace while you are working, you will find a light switch high on wall or in the ceiling. Most furnaces have 1/4 inch screw that holds the sensor in place; any multi screwdriver without the bit will be 1/4 inch. Remove the screw(s) and disconnect wire ...
Sometimes, when the issue is something other than the blower motor itself—such as an overheated limit switch or overworked capacitor—the problem will manifest in the form of stop signs within your heating system. When this happens, instead of having intermittent issues all day long, your furna...
27SERVICETroubleshootingcWARNING:Whentestingelectricalequipment,alwaysfollowstandardelectricalsafetyprocedures.Beforebeginningthesetroubleshootingprocedures,alwaysreviewthesebasicpoints.1)Checkfor120VACpowertothefurnace.Ifthereisnovoltage,checkthedisconnectingswitchforcircuitbreakertriporblownfuses.2)Makesuretheroomthermostatis...
personal injury due to improper service procedures performed by an unqualified person.•Refer to Service Manual RS6612006for troubleshooting information.•All safety information must be followed as provided in the Service Manual.•Refer to the appropriate Parts Catalog for part number information....
After that, testing and troubleshooting will be tested to analyze the results. 3. Experimental data collection and results analysis The primary purpose of the suggested electric furnace is to smelt and recycle waste metal and materials by examining their control and efficiency and the validity of ...