A great gas heating system repairing guide helps you in determining what is wrong with the heater based on its signs. That's what we do here with clear, uncomplicated information.
Troubleshooting Common Gas Heating System Problems
Every year, countless Calgary homeowners ask, "What's wrong with my gas furnace?" If you're in that circumstance, this guide will arm you with details prior to you call a heating system business. Understanding is security against being benefited from-- though many repair experts have sound principles.
Note: This guide covers the most typical issues, especially those most homeowners can quickly contact no tools or standard tools such as screwdrivers and a multimeter.
1. The Heating System Will Not Start
If nothing occurs when the thermostat is set above the home's existing temperature level, the most likely causes are these:
- The heater switch (situated on or near the heating system, appears like a typical light switch) is shut off and merely needs to be turned on, furnace cleaning though the furnace might have a short delay before starting
- The breaker is off, and if the circuit continues to trip 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 simple to inspect and correct
- The thermostat isn't working, and this is sometimes brought on by a wire coming loose, so inspect the circuitry connections
- The thermostat needs fresh batteries, if battery-powered, or it is bad and need to be changed, a concern that can be detected utilizing an electrical multimeter that reveals if a circuit is complete
- The filter is unclean and furnace repair calgary 24 hour need to be changed or cleaned up, an issue that is particularly real on more recent furnaces that are geared up to shut down if the filter isn't enabling sufficient air flow, a condition that can trigger severe mechanical failure
- The furnace's main circuit board/control board is bad, an issue that can be detected by a HEATING AND COOLING technician is nothing else solves the issue
2. Heating System Blowing Cold Air
If the heater won't produce heat, you can check to see if it is getting power by moving the fan switch from the "Auto" position to the "On" position. If the fan begins, then the heating system is getting power. The most likely issues then are:
- The gas is turned off, so examine the gas dick near the heating system to ensure it is parallel to the gas line
- The gas control valve isn't opening and must be replaced
- The ignitor is failing and should be replaced
- The draft motor isn't working or the fresh-air intake is blocked, maybe by snow or particles, and needs to be cleared
3. The Draft Motor Runs, Heater Won't Start
The draft motor is likewise called the inducer motor. It pulls hot combustion gases through the heater and out the exhaust stack. If it begins and after that the heating system closes down, the cause might be:
- The motor or the board that manages it has actually failed and should be changed
- An obstructed air intake or obstructed exhaust chimney (snow, particles and bird's nests are common causes) need to be cleared
- One of the issues talked about above with gas, gas valve and ignitor need to be resolved
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 assist you in troubleshooting draft motor problems and what is triggering them.
5. The Flame Starts, but the Furnace Shuts Down
If the burner starts making heat but soon shuts down without warming your home, the flame sensor isn't working. If the sensor has corrosion on it, sanding it may 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 3 typical issues:
- The fan turn on the thermostat is set to "on" instead of "vehicle".
- Relays in the control panel are stuck in the closed position, so the blower is getting a consistent supply of electrical energy, and the control board need to be changed.
- The thermostat likewise has contacts that manage power to the heating system, and they can be used, so the thermostat must be replaced.
7. Why Does the Heating System Keep Turning Off?
If your heating system burner lights however the heating system soon shuts down, there are a couple of typical problems that may cause this:.
- The heater filter is unclean and should be cleaned or replaced.
- The flame sensing unit isn't working and should be changed.
- The thermostat is failing.
- While these are common, there are several other potential causes best detected by a heating system technician. This video gives thorough protection to the issue of heater short-cycling.
8. The Heating System Runs however Can't Keep your home Warm.
If your heater is effectively sized for your house, then it needs to keep your house warm even in severe cold. If it runs continuously however isn't providing adequate heat, the most likely causes are:.
- An unclean filter that should be cleaned (only if the washable type) or changed.
- The filter is the wrong type for your furnace and limits airflow, so should be replaced.
- The filter is set up in reverse, a concern that can be examined by searching for the arrows on the filter frame that show appropriate setup direction with the flow of air.
- Air ducts are dripping, in some cases 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 heating system is usually the result of:.
- The heating system being a single-stage model that operates on high capability all the time, so it's going to be loud.
- A bad bearing in the draft motor or the blower motor that should be changed.
- A leak in the heating system cabinet, sheet metal plenum or ductwork near the heater that need to be tightened up.
- A dirty filter, which can likewise cause whistling.
10. The Furnace Leaks when AC is Running.
Water condenses on the evaporator coil in your furnace, and if it leaks onto the flooring, the issue is most likely a blocked drain pan or drain line.
11. The Air Coming from the Furnace Smells Bad.
Foul odors from the heating system are generally caused by:.
- A really unclean filter that should be cleaned, if washable, or replaced.
- A dead rodent or bird somewhere in the system, normally a job for a professional heating system technician.
12. The CO Monitor Going Off.
A carbon monoxide alarm ought to be taken seriously. Turn the furnace off at the thermostat. Do not enter into the room where the heater is located. Open doors and windows, and go outside. Call 911 from a cellular phone outside your house.
How to Pick a Gas Furnace Repair Expert.
Some house owners select the most inexpensive repair service in Calgary, and the results are usually bad. Inexpensive services are either simply beginning, so lack experience or they have a bad track record, so need to give inexpensive pricing to get jobs.
On the other hand, some services are overpriced. The very best way to discover quality heating system repair work at a fair cost is to get price quotes from numerous of the leading heating system repair business in Calgary. Meet with each, learn about their history and the experience of the service technicians that will do the work. Choose a knowledgeable furnace repair specialist with sensible rates.