A good gas heater repairing guide assists you in identifying what is wrong with the furnace based upon its signs. That's what we do here with clear, uncomplicated info.
Troubleshooting Common Gas Furnace Issues
Every year, countless Calgary property owners ask, "What's wrong with my gas heating system?" If you remain in that situation, this guide will equip you with details before you call a furnace company. Understanding is protection versus being made the most of-- though a lot of repair experts have sound principles.
Note: This guide covers the most typical issues, specifically those most house owners can quickly check with no tools or fundamental tools such as screwdrivers and a multimeter.
1. The Heating System Won't Start
If absolutely nothing takes place when the thermostat is set above the house's current temperature, the most likely causes are these:
- The furnace switch (situated on or near the heating system, appears like a common light switch) is switched off and just requires to be switched on, though the furnace might have a brief delay prior to starting
- The breaker is off, and if the circuit continues to journey after it is turned back on, there is likely an electrical wiring brief in the heater
- The thermostat isn't set to "heat," which is easy to check and treat
- The thermostat isn't working, and this is in some cases brought on by a wire coming loose, so inspect the electrical wiring connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and need to be replaced, a problem that can be identified utilizing an electrical multimeter that shows if a circuit is total
- The filter is unclean and must be replaced or cleaned up, a concern that is specifically true on more recent heaters that are geared up to close down if the filter isn't permitting appropriate air flow, a condition that can cause severe mechanical failure
- The furnace's primary circuit board/control board is bad, an issue that can be detected by an A/C professional is nothing else fixes the concern
2. Furnace Blowing Cold Air
If the furnace will not produce heat, you can inspect to see if it is getting power by moving the fan switch from the "Automobile" position to the "On" position. If the fan begins, then the heater is getting power. The likely issues then are:
- The gas is shut off, so examine the gas cock near the heating system to make sure 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 functioning or the fresh-air consumption is obstructed, possibly by snow or particles, and requires to be cleared
3. The Draft Motor Runs, Furnace Will Not Start
The draft motor is also called the inducer motor. It pulls hot combustion gases through the heating system 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 stopped working and must be replaced
- A blocked air consumption or obstructed exhaust chimney (snow, particles and bird's nests prevail causes) need to be cleared
- high efficiency furnace One of the problems talked about above with gas, gas valve and ignitor should be dealt with
4. The Draft Motor Will Not 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 concerns and what is causing them.
5. The Flame Starts, however the Furnace Shuts Down
If the burner begins making heat but quickly turns off without warming your house, the flame sensing unit isn't working. If the sensor has deterioration on it, sanding it may work, though changing it is a longer-lasting repair.
6. The Blower Won't Shut Down
If the blower motor runs all the time, there are 3 common concerns:
- The fan switch on the thermostat is set to "on" instead of "car".
- Relays in the control panel are stuck in the closed position, so the blower is getting a continuous supply of electricity, and the control panel must be replaced.
- The thermostat likewise has contacts that control power to the furnace, and they can be used, so the thermostat should be changed.
7. Why Does the Furnace Keep Shutting Off?
If your furnace burner lights but the heating system quickly turns off, there are a few typical problems that might trigger this:.
- The furnace filter is unclean and should be cleaned up or changed.
- The flame sensor isn't working and should be changed.
- The thermostat is stopping working.
- While these are common, there are numerous other prospective causes finest detected by a heater specialist. This video gives in-depth coverage to the issue of furnace short-cycling.
8. The Heater Runs however Can't Keep the House Warm.
If your heater is correctly sized for your house, then it should keep your house warm even in extreme cold. If it runs constantly but isn't providing enough heat, the most likely causes are:.
- A dirty filter that must be cleaned (just if the washable type) or changed.
- The filter is the incorrect type for your heater and restricts air flow, so must be changed.
- The filter is installed in reverse, an issue that can be checked by looking for the arrows on the filter frame that reveal proper setup instructions with the flow of air.
- Air ducts are leaking, often producing telltale whistling sounds, and it is time to have them sealed as recommended by Energy Star.
9. The Furnace Makes Loud Noises.
A noisy heater is most often the result of:.
- The heating system being a single-stage model that operates 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 must be changed.
- A leak in the furnace cabinet, sheet metal plenum or ductwork near the heating system that should be tightened up.
- A filthy filter, which can also cause whistling.
10. The Heater Leaks when Air Conditioner is Running.
Water condenses on the evaporator coil in your heating system, and if it leaks onto the flooring, the issue is probably a clogged up drain pan or drain line.
11. The Air Coming from the Furnace Smells Bad.
Foul odors from the furnace are usually caused by:.
- An extremely dirty filter that ought to be cleaned, if washable, or changed.
- A dead rodent or bird somewhere in the system, typically a job for an expert heating system service technician.
12. The CO Display Going Off.
A carbon monoxide alarm need to be taken seriously. Turn the furnace off at the thermostat. Do not enter into the space where the heating system lies. Open doors and windows, and go outside. 24 hour furnace repair calgary Call 911 from a cellular phone outside your home.
How to Pick a Gas Heating System Repair Specialist.
Some homeowners choose the least expensive repair work service in Calgary, and the outcomes are typically poor. Cheap services are either just getting started, so do not have experience or they have a bad track record, so need to offer cheap rates to get jobs.
On the other hand, some services are overpriced. The best way to discover quality furnace repair work at a fair price is to get price quotes from numerous of the leading heating system repair companies in Calgary. Meet with each, learn about their history and the experience of the technicians that will do the work. Pick a knowledgeable furnace repair work contractor with sensible rates.