A great gas heating system 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.
Troubleshooting Common Gas Heater Problems
Every year, thousands of Calgary house owners ask, "What's wrong with my gas heater?" If you remain in that circumstance, this guide furnace installation near me will arm you with info prior to you call a furnace business. Understanding is protection versus being taken advantage of-- though many repair specialists have sound ethics.
Note: This guide covers the most common issues, specifically those most house owners can easily talk to no tools or fundamental tools such as screwdrivers and a multimeter.
1. The Heater Won't Start
If absolutely nothing takes place when the thermostat is set above the home's current temperature level, the most likely causes are these:
- The furnace switch (located on or near the heating system, looks like a common light switch) is shut off and merely needs to be switched on, though the heating system may have a brief hold-up prior to starting
- The breaker is off, and if the circuit continues to trip 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 simple to check and fix
- The thermostat isn't working, and this is often caused by a wire coming loose, so check the wiring connections
- The thermostat needs fresh batteries, if battery-powered, or it is bad and must be changed, an issue that can be identified utilizing an electrical multimeter that shows if a circuit is complete
- The filter is unclean and must be changed or cleaned up, an issue that is especially real on newer furnaces that are equipped to close down if the filter isn't allowing sufficient air circulation, a condition that can trigger severe mechanical failure
- The heating system's main circuit board/control board is bad, an issue that can be identified by a HVAC professional is nothing else fixes the issue
2. Furnace Blowing Cold Air
If the heating system will not produce heat, you can examine to see if it is getting power by moving the fan switch from the "Car" position to the "On" position. If the fan begins, then the furnace is getting power. The most likely problems then are:
- The gas is turned off, so inspect the gas cock near the heater to make certain 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 must be changed
- The draft motor isn't operating or the fresh-air intake is obstructed, possibly by snow or particles, and needs to be cleared
3. The Draft Motor Runs, Heating System Won't Start
The draft motor is likewise called the inducer motor. It pulls hot combustion gases through the heater and out the exhaust stack. If it starts and then the heating system shuts down, the cause might be:
- The ductless heating and cooling motor or the board that manages it has actually stopped working and must be replaced
- An obstructed air intake or blocked exhaust chimney (snow, debris and bird's nests prevail causes) should be cleared
- Among the problems gone over above with gas, gas valve and ignitor must be addressed
4. The Draft Motor Will Not Start
The problem, in this case, is either that the motor is bad or the capacitor that supports it is bad. This video will help you in repairing draft motor issues and what is causing them.
5. The Flame Begins, however the Furnace Shuts Down
If the burner begins making heat however quickly shuts off without warming your house, the flame sensor isn't working. If the sensor has deterioration 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 common problems:
- The fan switch on the thermostat is set to "on" instead of "automobile".
- 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 must be changed.
- The thermostat likewise has contacts that control power to the heating system, and they can be used, so the thermostat must be changed.
7. Why Does the Heating System Keep Shutting Down?
If your furnace burner lights however the heater quickly shuts off, there are a few typical problems that may cause this:.
- The heating system filter is dirty and need to be cleaned or changed.
- The flame sensor isn't working and should be changed.
- The thermostat is failing.
- While these prevail, there are numerous other potential causes best diagnosed by a heating system service technician. This video gives thorough protection to the problem of furnace short-cycling.
8. The Heating System Runs however Can't Keep your home Warm.
If your heating system is appropriately sized for your house, then it needs to keep your home warm even in extreme cold. If it runs continuously however isn't supplying enough heat, the likely causes are:.
- An unclean filter that should be washed (just if the washable type) or replaced.
- The filter is the incorrect type for your furnace and restricts airflow, so need to be changed.
- The filter is set up in reverse, an issue that can be inspected by looking for the arrows on the filter frame that reveal appropriate setup direction with the flow of air.
- Duct are leaking, sometimes producing telltale whistling sounds, and it is time to have them sealed as suggested by Energy Star.
9. The Heating System Makes Loud Noises.
A noisy furnace is most often the result 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 need to be replaced.
- A leak in the heating system cabinet, sheet metal plenum or ductwork near the heater that must be tightened.
- A filthy filter, which can also trigger whistling.
10. The Heater Leaks when Air Conditioner is Running.
Water condenses on the evaporator coil in your heater, and if it leaks onto the flooring, the concern is most likely a clogged up drain pan or drain line.
11. The Air Coming from the Heater Smells Bad.
Foul odors from the furnace are usually caused by:.
- An extremely unclean filter that ought to be cleaned, if washable, or replaced.
- A dead rodent or bird somewhere in the system, generally a task for a professional heater technician.
12. The CO Monitor Going Off.
A carbon monoxide alarm must be taken seriously. Turn the furnace off at the thermostat. Don't go into the room where the furnace lies. Open doors and windows, and go outside. Call 911 from a mobile phone outside your home.
How to Pick a Gas Heating System Repair Work Specialist.
Some homeowners choose the cheapest repair work service in Calgary, and the outcomes are normally bad. Inexpensive services are either simply beginning, so lack experience or they have a bad reputation, so need to offer low-cost rates to get tasks.
On the other hand, some services are overpriced. The very best method to find quality heating system repair at a reasonable rate is to get quotes from numerous of the leading heating system repair work companies in Calgary. Meet with each, discover their history and the experience of the service technicians that will do the work. Choose an experienced heating system repair contractor with reasonable rates.