An excellent gas heater repairing guide helps you in identifying what is wrong with the heater based upon its symptoms. That's what we do here with clear, uncomplicated info.
Troubleshooting Common Gas Heating System Issues
Every year, countless Calgary house owners ask, "What's wrong with my gas furnace?" If you're in that scenario, this guide will arm you with info prior to you call a furnace business. Understanding is defense versus being benefited from-- though most repair work experts have sound principles.
Keep in mind: This guide covers the most typical issues, specifically those most property owners can easily contact no tools or fundamental tools such as screwdrivers and a multimeter.
1. The Furnace Will Not Start
If absolutely nothing occurs when the thermostat is set above the house's current temperature level, the most likely causes are these:
- The furnace switch (situated on or near the furnace, appears like a common light switch) is turned off and simply requires to be switched on, though the heating system might have a brief 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 a wiring short in the heating system
- The thermostat isn't set to "heat," which is simple to examine and treat
- The thermostat isn't working, and this is sometimes brought on by a wire coming loose, so inspect the electrical wiring connections
- The thermostat needs fresh batteries, if battery-powered, or it is bad and should be changed, a problem that can be diagnosed utilizing an electrical multimeter that shows if a circuit is total
- The filter is filthy and must be changed or cleaned, a problem that is particularly real on newer furnaces that are equipped to shut down if the filter isn't allowing appropriate air flow, a condition that can cause serious mechanical failure
- The furnace's main circuit board/control board is bad, a problem that can be diagnosed by a HEATING AND COOLING technician is absolutely nothing else fixes the problem
2. Heater Blowing Cold Air
If the furnace won't produce heat, you can examine to see if it is getting power by moving the fan switch from the "Auto" position to the "On" position. If the fan comes on, then the furnace is getting power. The most likely issues then are:
- The gas is shut off, so examine the gas dick near the heater to make certain it is parallel to the gas line
- The gas control valve isn't opening and must be changed
- The ignitor is failing and need to be replaced
- The draft motor isn't working or the fresh-air intake is obstructed, maybe by snow or debris, and requires to be cleared
3. The Draft Motor Runs, Furnace Won't Start
The draft motor is also called the inducer motor. It pulls hot combustion gases through the furnace and out the exhaust hvac company stack. If it starts and after that the furnace closes down, the cause might be:
- The motor or the board that manages it has actually failed and need to be changed
- An obstructed air consumption or blocked exhaust chimney (snow, debris and bird's nests prevail causes) should be cleared
- Among the issues talked about above with gas, gas valve and ignitor must be attended to
4. The Draft Motor Won't 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 fixing draft motor issues and what is causing them.
5. The Flame Starts, but the Heater Shuts Down
If the burner begins making heat but soon shuts down without warming your house, the flame sensing unit isn't working. If the sensing unit 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 typical problems:
- The fan switch on the thermostat is set to "on" rather than "auto".
- Relays in the control board are stuck in the closed position, so the blower is getting a consistent supply of electrical power, and the control panel need to be replaced.
- The thermostat likewise has contacts that control power to the heating system, and they can be used, so the thermostat should be changed.
7. Why Does the Heating System Keep Turning Off?
If your heater burner lights however the heater quickly turns off, there are a few typical concerns that might cause this:.
- The furnace filter is dirty and should be cleaned or changed.
- The flame sensor isn't working and should be replaced.
- The thermostat is stopping working.
- While these are common, there are numerous other potential causes best diagnosed by a heating system specialist. This video offers thorough coverage to the issue of heating system short-cycling.
8. The Heater Runs however Can't Keep the House Warm.
If your furnace is effectively sized for your home, then it needs to keep your house warm even in severe cold. If it runs continuously however isn't offering sufficient heat, the most likely causes are:.
- An unclean filter that should be cleaned (only if the washable type) or replaced.
- The filter is the wrong type for your heating system and limits airflow, so must be changed.
- The filter is installed in reverse, an issue that can be examined by searching for the arrows on the filter frame that reveal appropriate installation instructions with the circulation of air.
- Air ducts are dripping, often producing obvious whistling noises, and it is time to have them sealed as recommended by Energy Star.
9. The Heating System Makes Loud Noises.
A noisy heating system is most often the outcome of:.
- The heater being a single-stage design that works 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 furnace that must be tightened.
- A filthy filter, which can likewise trigger whistling.
10. The Heating System Leaks when Air Conditioner is Running.
Water condenses on the evaporator coil in your heater, and if it leaks onto the flooring, the issue is probably a stopped up drain pan or drain line.
11. The Air Coming from the Furnace Smells Bad.
Foul odors from the heating system are typically brought on by:.
- A really unclean filter that should be washed, if washable, or changed.
- A dead rodent or bird someplace in the furnace repair in calgary system, normally a task for a professional heater technician.
12. The CO Display 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 cell phone outside your home.
How to Pick a Gas Furnace Repair Specialist.
Some house owners pick the cheapest repair service in Calgary, and the outcomes are typically bad. Cheap services are either simply starting, so lack experience or they have a bad track record, so should offer low-cost rates to get jobs.
On the other hand, some services are overpriced. The very best method to find quality heater repair at a fair rate is to get price quotes from numerous of the top furnace repair work business in Calgary. Meet with each, learn more about their history and the experience of the service technicians that will do the work. Select a knowledgeable heater repair work contractor with reasonable rates.