A great gas heater repairing guide helps you in identifying what is wrong with the furnace based on its symptoms. That's what we do here with clear, simple info.
Repairing Common Gas Heating System Problems
Every year, thousands of Calgary property owners ask, "What's wrong with my gas furnace?" If you remain in that scenario, this guide will equip you with info prior to you call a heater company. Knowledge is protection against being benefited from-- though a lot of repair experts have sound ethics.
Keep in mind: This guide covers the most common issues, especially those most homeowners can quickly talk to no tools or fundamental tools such as screwdrivers and a multimeter.
1. The Furnace Will Not Start
If nothing takes place when the thermostat is set above the home's current temperature, the most likely causes are these:
- The heater switch (situated on or near the furnace, looks like a common light switch) is switched off and just requires to be switched on, though the heater may have a brief hold-up prior to beginning
- The circuit breaker is off, and if the circuit continues to trip 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 check and remedy
- The thermostat isn't working, and this is in some cases triggered 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 concern that can be detected using an electrical multimeter that reveals if a circuit is complete
- The filter is unclean and should be changed or cleaned, a problem that is especially true on newer furnaces that are equipped to shut down if the filter isn't allowing appropriate air circulation, a condition that can cause severe mechanical failure
- The heater's main circuit board/control board is bad, a concern that can be diagnosed by an A/C specialist is absolutely nothing else fixes the issue
2. Heating System Blowing Cold Air
If the furnace will not produce heat, you can check to see if it is getting power by moving the fan switch from the "Vehicle" position to the "On" position. If the fan comes on, then the heating system is getting power. The likely problems then are:
- The gas is switched off, so examine 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 replaced
- The ignitor is failing and must be replaced
- The draft motor isn't working or the fresh-air consumption is obstructed, maybe by snow or particles, and requires to be cleared
3. The Draft Motor Runs, Furnace Will Not Start
The draft motor is also called the inducer motor. It pulls hot combustion gases through the heating furnace company calgary system and out the exhaust stack. If it starts and then the heater closes down, the cause might be:
- The motor or the board that controls it has stopped working and should be changed
- A blocked air consumption or obstructed exhaust chimney (snow, particles and bird's nests are common causes) need to be cleared
- One of the issues discussed above with gas, gas valve and ignitor should 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 heating and cooling near me 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 house, the flame sensor isn't working. If the sensor has corrosion on it, sanding it might work, though replacing it is a longer-lasting fix.
6. The Blower Won't Turn Off
If the blower motor runs all the time, there are three typical problems:
- The fan turn on the thermostat is set to "on" rather than "auto".
- Relays in the control panel are stuck in the closed position, so the blower is getting a continuous supply of electrical energy, and the control board should be replaced.
- The thermostat also has contacts that manage power to the furnace, and they can be used, so the thermostat must be replaced.
7. Why Does the Heating System Keep Turning Off?
If your heating system burner lights however the heating system quickly turns off, there are a few common problems that might cause this:.
- The heater filter is dirty and need to be cleaned up or changed.
- The flame sensing unit isn't working and must be changed.
- The thermostat is failing.
- While these prevail, there are numerous other possible causes best detected by a heater service technician. This video gives extensive coverage to the problem of heater short-cycling.
8. The Furnace Runs however Can't Keep your home Warm.
If your heater is correctly sized for your home, then it needs to keep your home warm even in severe cold. If it runs continuously but isn't providing adequate heat, the likely causes are:.
- A filthy filter that should be cleaned (only if the washable type) or replaced.
- The filter is the wrong type for your heater and restricts airflow, so need to be changed.
- The filter is set up in reverse, a concern that can be examined by looking for the arrows on the filter frame that show proper setup direction with the circulation 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 Furnace Makes Loud Noises.
A noisy heater is usually the outcome of:.
- The furnace being a single-stage design that operates 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 must be replaced.
- A leak in the heating system cabinet, sheet metal plenum or ductwork near the furnace that need to be tightened up.
- An unclean filter, which can also trigger whistling.
10. The Heating System Leaks when AC is Running.
Water condenses on the evaporator coil in your heating system, and if it leakages onto the flooring, the issue is probably a stopped up drain pan or drain line.
11. The Air Coming from the Heating System Smells Bad.
Foul odors from the furnace are typically caused by:.
- An extremely unclean filter that should be cleaned, if washable, or changed.
- A dead rodent or bird somewhere in the system, typically a task for a professional furnace technician.
12. The CO Display Going Off.
A carbon monoxide gas alarm must be taken seriously. Turn the furnace off at the thermostat. Don't go into the space where the heating system lies. Open doors and windows, and go outside. Call 911 from a cell phone outside your house.
How to Pick a Gas Heating System Repair Expert.
Some homeowners choose the most affordable repair work service in Calgary, and the results are typically bad. Cheap services are either simply getting started, so lack experience or they have a bad credibility, so need to provide cheap prices to get jobs.
On the other hand, some services are overpriced. The best way to discover quality furnace repair at a fair rate is to get quotes from numerous of the leading heating system repair work business in Calgary. Meet each, discover their history and the experience of the technicians that will do the work. Select an experienced furnace repair work specialist with reasonable rates.