Gas furnaces need several things to operate properly, and power is one of them. If your gas furnace isn't getting power, it likely won't do anything at all if you have a newer model. It will just sit there silently as the house gets colder. Some older models may still light, but the blower won't come on. How can you tell if your unit is getting power? Most newer units have an indication light that will turn off if power is disrupted. If your light is off, you probably don't have an issue with your furnace, but you may have an electrical issue. Following are three reasons why your unit may not be getting power.
Blown Circuit Breaker
If your furnace isn't getting power but the rest of your house is, you may have a blown circuit breaker. In most homes, the furnace is on its very own breaker. To fix a circuit breaker issue, simply go to your electric panel and reset the breaker that's labeled for your furnace. If you flip the circuit breaker and your furnace works momentarily before the circuit breaker is triggered again, do not keep trying to flip the circuit breaker. It is getting tripped for a reason. Call an electrician.
Flipped "On" Switch
Although not all furnaces have them, some units have a redundant power switch on the unit that controls power to the furnace. If it gets flipped into the "off" position, your furnace won't get any power. To find out if this is your issue, look for a power switch or light switch either in the vicinity of your furnace or on the unit itself. If you find a switch, flip it to the "on" position to see if power is restored.
Disrupted Electric Service
If there is a problem with your electric service, the power for the entire home is usually out. However, there are some rare situations that can cause a power disruption to your furnace only. The problem could be in your control panel or the wiring itself. If anything interrupts the transference of power to your unit, such as a chewed or broken electrical wire, your unit won't get power. The issue could also be outside of your home. In rare cases, one leg of the electricity may be out, which will cause a power outage in select parts of your home.
If your unit is not getting power and you can't figure out the cause, you will likely have to hire an electrician or HVAC technician to troubleshoot the problem for you.
For more information, go to http://glendaleheating.com
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