An excellent gas heating system fixing guide helps you in identifying what is wrong with the furnace based on its symptoms. That's what we do here with clear, straightforward info.
Troubleshooting Common Gas Heater Problems
Every year, countless Calgary property owners ask, "What's wrong with my gas furnace?" If you remain in that situation, this guide will arm you with details before you call a heater business. Knowledge is security versus being benefited from-- though most repair experts have sound ethics.
Note: This guide covers the most common problems, particularly those most homeowners can easily contact no tools or fundamental tools such as screwdrivers and a multimeter.
1. The Furnace 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 heating system switch (located on or near the heater, looks like a common light switch) is shut off and just requires to be turned on, though the heater 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 an electrical wiring short in the heater
- The thermostat isn't set to "heat," which is easy to examine and treat
- The thermostat isn't working, and this is in some cases brought on by a wire coming loose, so examine the electrical wiring connections
- The thermostat needs fresh batteries, if battery-powered, or it is bad and need to be changed, a problem that can be identified using an electrical multimeter that reveals if a circuit is complete
- The filter is dirty and must be changed or cleaned up, a concern that is specifically real on newer heating systems that are equipped to shut down if the filter isn't enabling sufficient air flow, a condition that can trigger serious mechanical failure
- The heater's primary circuit board/control board is bad, an issue that can be identified by a HEATING AND COOLING specialist is nothing else fixes the issue
2. Heater Blowing Cold Air
If the heating system will not 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 comes on, then the heating system is getting power. The most likely concerns then are:
- The gas is switched off, so examine the gas cock 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 stopping working and should be changed
- The draft motor isn't working or the fresh-air intake is blocked, maybe by snow or debris, and requires 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 heater and out the exhaust stack. If it begins and after that the heater shuts down, the cause might be:
- The motor or the board that controls it has failed and need to be replaced
- A blocked air intake or obstructed exhaust chimney (snow, particles and bird's nests prevail causes) should be cleared
- Among the concerns gone over above with gas, gas valve and ignitor need to be dealt with
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 help you in fixing draft motor problems and what is causing them.
5. The Flame Begins, however the Heater Shuts Down
If the burner starts making heat but quickly turns off without warming your house, the flame sensor isn't working. If the sensor has corrosion on it, sanding it might work, though changing it is a longer-lasting fix.
6. The Blower Will Not Shut Down
If the blower motor runs all the time, there are 3 common concerns:
- The fan turn on the thermostat is set to "on" instead of "auto".
- Relays in the control board are stuck in the closed position, so the blower is getting a constant supply of electrical energy, and the control panel need to be changed.
- The thermostat likewise has contacts that manage power to the heater, and they can be worn, so the thermostat needs to be replaced.
7. Why Does the Heating System Keep Shutting Down?
If your furnace burner lights however the heater quickly shuts off, there are a couple of typical problems that 24 hour furnace repair calgary may trigger this:.
- The heater filter is unclean and need to be cleaned or replaced.
- The flame sensing unit isn't working and need to be changed.
- The thermostat is failing.
- While these prevail, there are several other prospective causes finest diagnosed by a heater specialist. This video offers extensive coverage to the issue of heating system short-cycling.
8. The Heating System Runs however Can't Keep your house Warm.
If your heater is effectively sized for your home, then it should keep your home warm even in severe cold. If it runs continuously however isn't providing adequate heat, the most likely causes are:.
- An unclean filter that must be cleaned (only if the washable type) or replaced.
- The filter is the wrong type for your heater and limits air flow, so must be changed.
- The filter is installed in reverse, a problem that can be examined by trying to find the arrows on the filter frame that show correct installation direction with the flow of air.
- Air ducts are leaking, in some cases producing telltale whistling noises, and it is time to have them sealed as advised by Energy Star.
9. The Heating System Makes Loud Noises.
A loud furnace is most often the result of:.
- The heating system 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 must be replaced.
- A leak in the heating system cabinet, sheet metal plenum or ductwork near the heating system that need to be tightened up.
- A dirty filter, which can also trigger whistling.
10. The Heater Leaks when A/C is Running.
Water condenses on the evaporator coil in your heating system, and if it leaks onto the floor, the issue is most likely a stopped up drain pan or drain line.
11. The Air Coming from the Furnace Smells Bad.
Foul odors from the heater are usually triggered by:.
- A very dirty filter that must be cleaned, if washable, or replaced.
- A dead rodent or bird someplace in the system, usually a job for a professional furnace service 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 into the space where the furnace lies. Open doors and windows, and go outside. Call 911 from a cell phone outside your home.
How to Choose a Gas Furnace Repair Work Professional.
Some house hvac heating and cooling owners choose the cheapest repair service in Calgary, and the results are usually poor. Inexpensive services are either just getting started, so do not have experience or they have a bad track record, so should give low-cost rates to get tasks.
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 quotes from numerous of the leading furnace repair business in Calgary. Meet each, discover their history and the experience of the service technicians that will do the work. Pick a knowledgeable heater repair contractor with affordable rates.