A good gas furnace fixing guide assists you in identifying what is wrong with the heater based upon its signs. That's what we do here with clear, uncomplicated information.
Fixing Common Gas Furnace Issues
Every year, countless Calgary homeowners ask, "What's wrong with my gas heater?" If you're in that circumstance, this guide will arm you with details prior to you call a furnace business. Knowledge is security against being made the most of-- though most repair work experts have sound principles.
Keep in mind: This guide covers the most typical problems, especially those most homeowners can quickly consult no tools or fundamental tools such as screwdrivers and a multimeter.
1. The Heater Will Not Start
If nothing occurs when the thermostat is set above the house's current temperature level, the most likely causes are these:
- The furnace switch (located on or near the heater, looks like a typical light switch) is shut off and simply requires to be turned on, though the furnace may have a short hold-up 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 heating system
- 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 examine the circuitry connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and must be changed, a problem that can be diagnosed using an electrical multimeter that shows if a circuit is complete
- The filter is filthy and must be replaced or cleaned up, an issue that is specifically true on more recent furnaces that are equipped to close down if the filter isn't enabling adequate air circulation, a condition that can cause serious mechanical failure
- The furnace's main circuit board/control board is bad, a problem that can be identified by a HEATING AND COOLING service technician is absolutely nothing else resolves the issue
2. Heating System Blowing Cold Air
If the heating system will not produce heat, you can examine 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 furnace is getting power. The likely problems then are:
- The gas is switched off, so inspect the gas dick near the heater to ensure it is parallel to the gas line
- The gas control valve isn't opening and should be replaced
- The ignitor is stopping working and should be changed
- The draft motor isn't functioning or the fresh-air intake is obstructed, perhaps by snow or particles, and needs to be cleared
3. The Draft Motor Runs, Heating System Will Not Start
The draft motor is also 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 closes down, the cause might be:
- The motor or the board that controls it has actually stopped working and should be changed
- An obstructed air consumption or obstructed exhaust chimney (snow, debris and bird's nests are common causes) need to be cleared
- Among the issues talked about above with gas, gas valve and ignitor need to be addressed
4. The Draft Motor Will Not Start
The issue, in this case, is either that the motor is bad or the capacitor that supports it is bad. This video will assist you in fixing draft motor problems and what is causing them.
5. The Flame Begins, but the Heater Shuts Down
If the burner starts making heat but quickly turns off without warming your home, the flame sensor isn't working. If the sensor has rust on it, sanding it might work, though replacing it is a longer-lasting repair.
6. The Blower Won't Shut Off
If the blower motor runs all the time, there are 3 typical problems:
- The fan turn on the thermostat is set to "on" rather than "automobile".
- Relays in the control board are stuck in the closed position, so the blower is getting a constant supply of electricity, and the control panel must be replaced.
- The thermostat also has contacts that manage power to the heating system, and they can be used, so the thermostat must be replaced.
7. Why Does the Furnace Keep Shutting Off?
If your heating system burner lights however the heating system soon shuts down, there are a couple of common problems that might cause this:.
- The furnace filter is dirty and need to be cleaned up or changed.
- The flame sensor isn't working and need to be changed.
- The thermostat is stopping working.
- While these prevail, there are numerous other possible causes best diagnosed by a heating system technician. This video provides in-depth protection to the issue of furnace short-cycling.
8. The Heater Runs but Can't Keep your house Warm.
If your heating system is properly sized for your house, then it ought to keep your house warm even in severe cold. If it runs constantly however isn't supplying enough heat, the most likely causes are:.
- A dirty filter that should be washed (only if the washable type) or replaced.
- The filter is the incorrect 24 hour furnace repair calgary type for your heating system and restricts airflow, so ought to be changed.
- The filter is installed backwards, a concern that can be examined by looking for the arrows on the filter frame that show correct setup instructions with the flow of air.
- Duct are leaking, in some cases producing obvious whistling sounds, and it is time to have them sealed as suggested by Energy Star.
9. The Heater Makes Loud Noises.
A noisy heater is most often the result of:.
- The furnace being a single-stage model that runs 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 leakage in the heater cabinet, sheet metal plenum or ductwork near the heater that should be tightened.
- A filthy filter, which can likewise trigger whistling.
10. The Heating System Leaks when Air Conditioning is Running.
Water condenses on the evaporator coil in your furnace, and if it leakages onto the flooring, the issue is most likely a blocked drain pan or drain line.
11. The Air Coming from the Heater Smells Bad.
Foul odors from the heating system are typically triggered by:.
- An extremely filthy filter that must be cleaned, if washable, or replaced.
- A dead rodent or bird someplace in the system, typically a task for a professional heater service technician.
12. The CO Monitor Going Off.
A carbon monoxide gas alarm ought to be taken seriously. Turn the furnace off at the thermostat. Do not go into the space where the heating system lies. Open doors and windows, and go outside. Call 911 from a cellular phone outside your house.
How to Select a Gas Heater Repair Work Specialist.
Some house owners choose the most inexpensive repair work service in Calgary, and the outcomes are generally poor. Low-cost services are either just getting started, so lack experience or they have a bad reputation, so must provide cheap rates to get jobs.
On the other hand, some services are overpriced. The very best method to find quality heater repair at a reasonable price is to get estimates from several of the top heater repair work business in Calgary. Meet with each, discover their history and the experience of the professionals that will do the work. Select a heating and air conditioning skilled furnace repair work professional with reasonable rates.