Furnace Repair Basics

Furnace Repair

If you notice that your furnace is not functioning properly, you may need to make a repair. There are some basic steps that you should follow. First, turn off the power. Check the circuit breaker, power switch, and thermostat. If these steps are not followed, you may cause further damage to your furnace. Next, check the blower and thermostat to make sure they are working properly. If none of these steps resolve the issue, contact a professional for furnace repair services.

Check the power switch

You may have accidentally shut off your furnace while doing repair work. Sometimes, people do this deliberately or accidentally. To prevent this, it is important to locate and check the power switch. Often, the power switch is inside a metal enclosure. If it is not located on the furnace, then you need to shut off the power at the breaker box before starting your repair. If you are unsure of where the power switch is, check for it on the furnace itself.

Check the circuit breaker

The first thing to check when doing Furnace Repair furnace repair is the circuit breaker. It should be on a separate circuit from any other appliances. Often times, the problem is caused by a malfunctioning electrical panel, rearranged furniture, or a faulty circuit. To determine the exact cause, contact a heating repair technician. Check the breaker for safety reasons. It is not unusual for a circuit breaker to trip because of a malfunctioning electrical panel.

Check the thermostat

Before you can begin troubleshooting the thermostat, you need to understand what it does. While the thermostat itself may not be causing any problems, it could be preventing the heater from working. Mechanical thermostats are vulnerable to damage from buildup. Dust, dirt, and other debris can get inside the thermostat’s inner workings, and cause it to lose its settings and revert to the default setting in an outage. If you suspect that your thermostat is malfunctioning, you need to clean its interiors. To do this, simply remove the cover and check for any debris. You can also use compressed air to clean the insides.

Check the blower

When doing a furnace repair, you need to check the blower motor to determine whether it is the culprit. The blower is connected to the furnace’s blower motor via terminals A and B. If you notice that the resistance reading is low, you need to unplug the fan and reconnect it to reset the motor. If the blower is running too slowly or has a high amp draw, it might be caused by static pressure on the motor squirrel cage.

Check the air intake

Often, you can tell when your furnace is not working because it won’t start. First, check the air intake. Sometimes, obstructions in the registers or vents prevent the air from flowing freely. If this is the case, make sure to clean out the air intake pipe. Once you have cleared out any obstructions, try to start the furnace. If it still won’t start, it might be a blockage.

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