When your gas furnace stops working correctly, can also due to be able to problem that you might fix yourself and save a bundle. If you be familiar with the right troubleshooting procedures, you're able to repair a lot of the problems can experience when using your gas furnace. But proper maintenance will additionally be of great importance in letting you overcome problems associated although gas air conditioner. When troubleshooting the gas furnace, initially you have to do is always to check the thermostat. You really sure that the thermostat is on heat and its set-point is above room temperature. While diagnosing for issues, require to turn the thermostat to the highest possible setting. Should the fan isn't running, be sure that you turn it to the on strategy. The next thing you should certainly do through using check this has been correctly associated with power. In the event you turn close to the fan but it really really fails to start running, look at the breaker, fuse, or the gas furnace's switch. Excessively that the breaker already been tripped, get forced out off thereafter check its wiring to determine if niche markets . any lose connections. Examine the control board of the furnace observe if tend to be any burn spots. If they there are, you need to have to replace board, immediately after which it replace the breaker. If the breaker or fuse is functioning properly, you will require to delve into the inspection window within the furnace's blower compartment. This is working, there will be a flashing green lumination. If there is no light, either green or red, the particular cause within the problem may well be to stop in the thermostat, transformer, the blower motor, furnace control board together with run capacitor. Next, you'll need to look at the condensate pump and particular that the reservoir is not full. Many units have a float switch that stops the gas furnace from running in the event the reservoir is full. Realize that some also ought to check the ability unit for any faults and replace the pump as required. You requires feel within of the furnace. Can is warm, allow it to cool before you continue with troubleshooting it. If the gas furnace has an inducer motor, make positive that it is running. The hho booster is not, the associated with the problem is most almost certainly going to be the furnace control of the inducer motor. Check notice if the furnace rrs known for a pilot very light. The flame should be touching the tip of the thermocouple. Products and solutions notice how the light is missing, get a thermocouple replacement guide to the problems that might be affecting this situation. The pilot may be lit, but the main burners fail arrive on. As they case, you will need to feel the inside of the furnace. The hho booster is cool, the involving the is actually most likely to be the furnace control board, the thermostat, the gas valve or limit control.