A great gas heater fixing guide helps you in identifying what is wrong with the furnace based upon its signs. That's what we do here with clear, uncomplicated details.
Troubleshooting Common Gas Heater Issues
Every year, countless Calgary house owners ask, "What's wrong with my gas heating system?" If you're in that scenario, this guide will equip you with details before you call a heater business. Understanding is defense against being benefited from-- though a lot of repair work specialists have sound principles.
Note: This guide covers the most common problems, particularly those most homeowners can quickly check with no tools or standard tools such as screwdrivers and a multimeter.
1. The Heater Won't Start
If nothing happens when the thermostat is set above the home's current temperature, the most likely causes are these:
- The furnace switch (located on or near the heating system, looks like a typical light switch) is switched off and simply requires to be turned on, though the heating system might have a brief hold-up before beginning
- The circuit breaker is off, and if the circuit continues to journey after it is turned back on, there is likely a wiring short in the furnace
- The thermostat isn't set to "heat," which is easy to inspect and fix
- The thermostat isn't working, and this is in some cases brought on by a wire coming loose, so check the circuitry connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and should 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, a concern that is specifically real on more recent heaters that are equipped to close down if the filter isn't allowing sufficient air flow, a condition that can cause major 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 resolves the issue
2. Furnace Blowing Cold Air
If the furnaces calgary heating system won't produce heat, you can inspect 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 likely issues then are:
- The gas is shut off, so check the gas dick near the heater to ensure it is parallel to the gas line
- The gas control valve isn't opening and must be changed
- The ignitor is stopping working and must be replaced
- The draft motor isn't operating or the fresh-air intake is blocked, possibly by snow or debris, and needs to be cleared
3. The Draft Motor Runs, Heating System Won't 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 then the furnace shuts down, the cause might be:
- The motor or the board that manages it has actually failed and should be replaced
- An obstructed air calgary furnace repair consumption or blocked exhaust chimney (snow, particles and bird's nests are common causes) need to be cleared
- One of the problems 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 help you in fixing draft motor problems and what is causing them.
5. The Flame Begins, but the Furnace Shuts Down
If the burner starts making heat however soon shuts off without warming your home, the flame sensor isn't working. If the sensor has corrosion on it, sanding it may 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 common concerns:
- The fan turn on the thermostat is set to "on" rather than "vehicle".
- Relays in the control panel are stuck in the closed position, so the blower is getting a constant supply of electrical power, and the control board need to be changed.
- The thermostat likewise has contacts that control power to the furnace, and they can be worn, so the thermostat needs to be changed.
7. Why Does the Furnace Keep Shutting Off?
If your heating system burner lights however the furnace soon shuts off, there are a few common issues that might trigger this:.
- The furnace filter is unclean and must be cleaned or changed.
- The flame sensor isn't working and need to be changed.
- The thermostat is stopping working.
- While these prevail, there are several other possible causes finest identified by a heating system service technician. This video offers in-depth coverage to the issue of heater short-cycling.
8. The Heating System Runs however Can't Keep your house Warm.
If your heating system is appropriately sized for your home, then it ought to keep your home warm even in severe cold. If it runs continuously but isn't providing sufficient heat, the likely causes are:.
- An unclean filter that need to be washed (only if the washable type) or changed.
- The filter is the incorrect type for your furnace and limits airflow, so need to be changed.
- The filter is installed in reverse, a concern that can be examined by trying to find the arrows on the filter frame that show proper installation direction with the circulation of air.
- Air ducts are dripping, in some cases producing telltale whistling noises, and it is time to have them sealed as recommended by Energy Star.
9. The Furnace Makes Loud Noises.
A loud heater is frequently the outcome of:.
- The furnace being a single-stage model that works 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 heater cabinet, sheet metal plenum or ductwork near the heater that should be tightened.
- A dirty filter, which can likewise trigger whistling.
10. The Furnace Leaks when A/C is Running.
Water condenses on the evaporator coil in your heater, and if it leaks onto the flooring, the problem is probably a stopped up 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 really filthy filter that ought to be cleaned, if washable, or changed.
- A dead rodent or bird someplace in the system, generally a task for a professional furnace technician.
12. The CO Monitor Going Off.
A carbon monoxide alarm should be taken seriously. Turn the heating system off at the thermostat. Don't go into the space where the furnace lies. Open doors and windows, and go outside. Call 911 from a mobile phone outside your house.
How to Choose a Gas Heater Repair Specialist.
Some homeowners select the cheapest repair work service in Calgary, and the outcomes are typically bad. Inexpensive services are either just getting going, so do not have experience or they have a bad reputation, so need to provide cheap pricing to get jobs.
On the other hand, some services are overpriced. The very best way to discover quality heater repair work at a reasonable price is to get estimates from numerous of the top heating system repair companies in Calgary. Consult with each, discover their history and the experience of the specialists that will do the work. Choose a skilled heating system repair work specialist with sensible rates.