Furnace Repair Work: Leading Twelve Furnace Problems and Repairing Guide
A good gas heating system troubleshooting guide helps you in identifying what is wrong with the furnace based upon its signs. That's what we do here with clear, uncomplicated details.
Fixing Common Gas Furnace Issues
Every year, countless Calgary house owners ask, "What's wrong with my gas heating system?" If you're in that situation, this guide will equip you with information prior to you call a heater business. Knowledge is defense versus being taken advantage of-- though many repair work specialists have sound ethics.
Note: This guide covers the most common problems, especially those most house owners can easily talk to no tools or basic tools such as screwdrivers and a multimeter.
1. The Heater Won't Start
If absolutely nothing takes place when the thermostat is set above the home's present temperature, the most likely causes are these:
- The heater switch (located on or near the furnace, looks like a typical light switch) is turned off and merely requires to be switched on, though the heating system may have a short delay before beginning
- The circuit breaker is off, and if the circuit continues to trip after it is turned back on, there is likely a circuitry brief in the heating system
- The thermostat isn't set to "heat," which is simple to examine and correct
- The thermostat isn't working, and this is often caused by a wire coming loose, so inspect the circuitry connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and need to be changed, a concern that can be identified utilizing an electrical multimeter that reveals if a circuit is total
- The filter is filthy and must be changed or cleaned up, an issue that is particularly real on newer heating systems that are equipped to shut down if the filter isn't enabling adequate air circulation, a condition that can trigger severe mechanical failure
- The heater's primary circuit board/control board is bad, a concern that can be identified by an A/C service technician is nothing else solves the problem
2. Furnace Blowing Cold Air
If the heater will not produce heat, you can examine to see if it is getting power by moving the fan switch from the "Car" position to the "On" position. If the fan comes on, then the heating system is getting power. The most likely issues then are:
- The gas is turned off, so check the gas dick near the furnace to ensure it is parallel to the gas line
- The gas control valve isn't opening and must be replaced
- The ignitor is stopping working and must be changed
- The draft motor isn't operating or the fresh-air consumption is obstructed, maybe by snow or debris, and needs to be cleared
3. The Draft Motor Runs, Heater Will Not Start
The draft motor is likewise called the inducer motor. It pulls hot combustion gases through the furnace and out the exhaust stack. If it begins and after that the furnace shuts down, the cause might be:
- The motor or the board that controls it has actually stopped working and need to be replaced
- A blocked air consumption or obstructed exhaust chimney (snow, debris and bird's nests prevail causes) should be cleared
- Among the issues gone over above with gas, gas valve and ignitor must be resolved
4. The Draft Motor Won't Start
The problem, in this case, is either that the motor is bad or the capacitor that supports it is bad. This video will help you in troubleshooting draft motor issues and what is causing them.
5. The Flame Starts, but the Heater Shuts Down
If the burner begins making heat but soon shuts down without warming your home, the flame sensor isn't working. If the sensor has deterioration on it, sanding it might work, though changing it is a longer-lasting repair.
6. The Blower Will Not Turn Off
If the blower motor runs all the time, there are three typical concerns:
- The fan turn on the thermostat is set to "on" instead of "vehicle".
- Relays in the control board are stuck in the closed position, so the blower is getting a continuous supply of electricity, and the control board should be changed.
- The thermostat also has contacts that control power to the furnace, and they can be worn, so the thermostat must be changed.
7. Why Does the Heating System Keep Turning Off?
If your heater burner lights but the heater soon shuts off, there are a couple of typical issues that may trigger this:.
- The heater filter is unclean and should be cleaned up or replaced.
- The flame sensing unit isn't working and should be replaced.
- The thermostat is stopping working.
- While these are common, there are numerous other potential causes finest diagnosed by a heater service technician. This video gives thorough coverage to the issue of furnace short-cycling.
8. The Furnace Runs however Can't Keep the House Warm.
If your heating system is effectively sized for your home, then it must keep your house warm even in extreme cold. If it runs constantly however isn't supplying sufficient heat, the likely causes are:.
- An unclean filter that need to be cleaned (only if the washable type) or replaced.
- The filter is the incorrect type for your heater and restricts airflow, so must be changed.
- The filter is set up in reverse, a problem that can be inspected by searching for the arrows on the filter frame that reveal proper setup instructions with the circulation of air.
- Duct are leaking, often producing telltale whistling sounds, and it is time to have them sealed as suggested by Energy Star.
9. The Heating System Makes Loud Noises.
A loud furnace is frequently the outcome of:.
- The furnace being a single-stage design that runs on high capacity all the time, so it's going to be loud.
- A bad bearing in the draft motor or the blower motor that should be replaced.
- A leakage in the furnace cabinet, sheet metal plenum or ductwork near the heating system that need to be tightened up.
- A filthy filter, which can likewise cause whistling.
10. The Heating System Leaks when AC is Running.
Water condenses on the evaporator coil in your heating system, and if it leaks onto the floor, the concern is most likely a clogged up drain pan or drain line.
11. The Air Coming from the Heater Smells Bad.
Foul odors from the heater are normally triggered by:.
- A very unclean filter that should be washed, if washable, or changed.
- A dead rodent or bird somewhere in the system, normally a job for an expert heater technician.
12. The CO Screen Going Off.
A carbon monoxide gas alarm ought to be taken seriously. Turn the heating system off at the thermostat. Do not go furnace cleaning calgary into the space where the furnace is located. Open doors and windows, and go outside. Call 911 from a cellular phone heating & cooling near me outside your house.
How to Choose a Gas Heating System Repair Expert.
Some house owners choose the least expensive repair service in Calgary, and the results are typically poor. Low-cost services are either just getting started, so lack experience or they have a bad reputation, so must provide low-cost rates to get tasks.
On the other hand, some services are overpriced. The very best method to discover quality heating system repair work at a fair cost is to get quotes from numerous of the leading furnace repair work companies in Calgary. Consult with each, discover their history and the experience of the professionals that will do the work. Choose a skilled heating system repair work contractor with affordable rates.
