Heating System Repair: Top Twelve Heating System Problems and Troubleshooting Ho
A great gas heating system troubleshooting guide assists you in identifying what is wrong with the heating system based upon its signs. That's what we do here with clear, uncomplicated details.
Fixing Common Gas Heating System Problems
Every year, thousands of Calgary homeowners ask, "What's wrong with my gas heater?" If you remain in that scenario, this guide will arm you with details before you call a heating system business. Knowledge is protection against being benefited from-- though most repair experts have sound principles.
Keep in mind: This guide covers the most common problems, specifically those most house owners can easily contact no tools or standard tools such as screwdrivers and a multimeter.
1. The Furnace Won't Start
If absolutely nothing takes place hvac company calgary when the thermostat is set above the house's existing temperature, the most likely causes are these:
- The furnace switch (located on or near the furnace, looks like a typical light switch) is switched off and merely requires to be switched on, though the furnace may have a short delay prior to beginning
- The circuit breaker is off, and if the circuit continues to journey after it is turned back on, there is likely a wiring brief in the heater
- The thermostat isn't set to "heat," which is simple to check and fix
- The thermostat isn't working, and this is in some cases triggered by a wire coming loose, so examine the circuitry connections
- The thermostat needs fresh batteries, if battery-powered, or it is bad and must be changed, a problem that can be detected using an electrical multimeter that reveals if a circuit is total
- The filter is dirty and need to be changed or cleaned, a concern that is specifically real on more recent heaters that are equipped to shut down if the filter isn't permitting adequate air flow, a condition that can trigger major mechanical failure
- The heating system's primary circuit board/control board is bad, a concern that can be identified by a HVAC service technician is absolutely nothing else resolves the concern
2. Heater Blowing Cold Air
If the heating system won't produce heat, you can check 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 concerns then are:
- The gas is shut off, so inspect the gas dick near the furnace to make sure it is parallel to the gas line
- The gas control valve isn't opening and need to be changed
- The ignitor is failing and should be replaced
- The draft motor isn't working or the fresh-air consumption is obstructed, perhaps by snow or debris, and needs to be cleared
3. The Draft Motor Runs, Heater Won't 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 failed and need to be changed
- A blocked air intake or obstructed exhaust chimney (snow, particles and bird's nests are common causes) should be cleared
- One of the concerns discussed above with gas, gas valve and ignitor need to be resolved
4. The Draft Motor Won't 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 troubleshooting draft motor issues and what is triggering them.
5. The Flame Starts, but the Heater Shuts Down
If the burner begins making heat however quickly turns off without warming your house, the flame sensor isn't working. If the sensor has rust on it, sanding it might work, though replacing it is a longer-lasting fix.
6. The Blower Will Not Shut Off
If the blower motor runs all the time, there are 3 common issues:
- The fan turn on the thermostat is set to "on" rather than "car".
- Relays in the control panel are stuck in the closed position, so the blower is getting a constant supply of electricity, and the control board must be replaced.
- 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 Heater Keep Shutting Down?
If your heater burner lights however the heating system soon furnace repair near me shuts off, there are a couple of common problems that may trigger this:.
- The furnace filter is unclean and ought to be cleaned or replaced.
- The flame sensing unit isn't working and should be replaced.
- The thermostat is stopping working.
- While these prevail, there are numerous other possible causes finest diagnosed by a heating system technician. This video offers in-depth coverage to the issue of furnace short-cycling.
8. The Heater Runs but Can't Keep your home Warm.
If your furnace is appropriately sized for your house, then it needs to keep your house warm even in extreme cold. If it runs constantly however isn't providing sufficient heat, the likely causes are:.
- A dirty filter that need to be cleaned (just if the washable type) or changed.
- The filter is the incorrect type for your heating system and limits airflow, so need to be replaced.
- The filter is installed backwards, a concern that can be checked by trying to find the arrows on the filter frame that reveal proper installation direction with the circulation of air.
- Duct are dripping, often producing obvious whistling sounds, and it is time to have them sealed as recommended by Energy Star.
9. The Heater Makes Loud Noises.
A noisy heating system is frequently the outcome of:.
- The furnace being a single-stage model 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 must be changed.
- A leak in the heater cabinet, sheet metal plenum or ductwork near the heating system that must be tightened.
- An unclean filter, which can also trigger 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 floor, the concern is more than likely a clogged drain pan or drain line.
11. The Air Coming from the Heating System Smells Bad.
Foul odors from the heating system are usually brought on by:.
- A very dirty filter that ought to be cleaned, if washable, or replaced.
- A dead rodent or bird somewhere in the system, generally a job for an expert furnace service technician.
12. The CO Display Going Off.
A carbon monoxide gas alarm should be taken seriously. Turn the heating system off at the thermostat. Don't enter into the room where the heating system is located. Open doors and windows, and go outside. Call 911 from a cellular phone outside your house.
How to Pick a Gas Heating System Repair Expert.
Some homeowners choose the most inexpensive repair work service in Calgary, and the results are normally bad. Cheap services are either simply getting started, so lack experience or they have a bad track record, so must offer low-cost rates to get tasks.
On the other hand, some services are overpriced. The very best way to discover quality heating system repair at a fair cost is to get quotes from several of the top furnace repair companies in Calgary. Meet with each, learn about their history and the experience of the service technicians that will do the work. Pick an experienced heater repair specialist with affordable rates.
