A good gas heating system fixing guide assists you in determining what is wrong with the heater based upon its signs. That's what we do here with clear, straightforward details.
Troubleshooting Common Gas Heater Issues
Every year, countless Calgary property owners ask, "What's wrong with my gas heater?" If you're in that scenario, this guide will equip you with info prior to you call a furnace business. Knowledge is defense versus being made the most of-- though many repair professionals have sound ethics.
Note: This guide covers the most typical issues, specifically those most property owners can easily talk to no tools or standard tools such as screwdrivers and a multimeter.
1. The Furnace Won't Start
If absolutely nothing takes place when the thermostat is set above the house's present temperature, the most likely causes are these:
- The furnace switch (located on or near the heater, appears like a typical light switch) is shut off and just needs to be turned on, though the heater may have a short delay before beginning
- The circuit breaker is off, and if the circuit continues to trip after it is turned back on, there is likely a wiring brief in the heating system
- The thermostat isn't set to "heat," which is simple to check and treat
- The thermostat isn't working, and this is often triggered by a wire coming loose, so inspect the circuitry connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and must be changed, a problem that can be detected utilizing an electrical multimeter that reveals if a circuit is total
- The filter is unclean and should be changed or cleaned, a problem that is specifically real on newer furnaces that are geared up to close down if the filter isn't enabling appropriate air flow, a condition that can trigger major mechanical failure
- The heater's main circuit board/control board is bad, a concern that can be identified by a HVAC specialist is absolutely nothing else solves the issue
2. Heating System Blowing Cold Air
If the heater will not produce heat, you can examine to see if it is getting power by moving the fan switch from the "Automobile" position to the "On" position. If the fan begins, then the heater is getting power. The most likely problems then are:
- The gas is turned off, so examine the gas dick near the heating system to make sure it is parallel to the gas line
- The gas control valve isn't opening and should be replaced
- The ignitor is stopping working and need to be replaced
- The draft motor isn't working or the fresh-air intake is blocked, possibly by snow or debris, and needs to be cleared
3. The Draft Motor Runs, Heating System Will Not Start
The draft motor is likewise called the inducer motor. It pulls hot combustion gases through the furnace and out the exhaust stack. If it starts and then the heating system closes down, the cause might be:
- The motor or the board that controls it has failed and should be replaced
- A blocked air intake or blocked exhaust chimney (snow, particles and bird's nests are common causes) must be cleared
- One of the concerns discussed above with gas, gas valve and ignitor must be dealt with
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 repairing draft motor concerns and what is causing them.
5. The Flame Starts, but the Heating system Shuts Down
If the burner starts making heat however quickly shuts off without warming your house, the flame sensor isn't working. If the sensing unit 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 3 common concerns:
- The fan switch on the thermostat is set to "on" rather than "vehicle".
- heating and cooling systems furnace tune up calgary Relays in the control panel are stuck in the closed position, so the blower is getting a continuous supply of electrical power, and the control board should be replaced.
- The thermostat likewise has contacts that manage power to the furnace, and they can be used, so the thermostat needs to be replaced.
7. Why Does the Heating System Keep Shutting Off?
If your heater burner lights however the heating system soon shuts down, there are a couple of typical problems that may trigger this:.
- The heater filter is dirty and need to be cleaned up or changed.
- The flame sensing unit isn't working and should be replaced.
- The thermostat is stopping working.
- While these are common, there are a number of other potential causes finest identified by a heating system professional. This video gives extensive protection to the issue of furnace short-cycling.
8. The Heating System Runs but Can't Keep the House Warm.
If your heating system is appropriately sized for your home, then it must keep your home warm even in extreme cold. If it runs constantly but isn't offering adequate heat, the most likely causes are:.
- A filthy filter that should be washed (only if the washable type) or replaced.
- The filter is the incorrect type for your heating system and restricts 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 correct installation direction with the flow of air.
- Duct are dripping, sometimes producing obvious whistling sounds, and it is time to have them sealed as suggested by Energy Star.
9. The Heater Makes Loud Noises.
A noisy furnace is most often the outcome of:.
- The heater being a single-stage design 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 need to be replaced.
- A leak in the furnace cabinet, sheet metal plenum or ductwork near the heater that must be tightened.
- A filthy filter, which can likewise trigger whistling.
10. The Furnace Leaks when Air Conditioner 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 normally caused by:.
- A very dirty filter that should be cleaned, if washable, or changed.
- A dead rodent or bird someplace in the system, normally a job for a professional furnace technician.
12. The CO Monitor Going Off.
A carbon monoxide gas alarm ought to be taken seriously. Turn the heating system off at the thermostat. Don't go into the room where the furnace is located. Open doors and windows, and go outside. Call 911 from a cell phone outside your home.
How to Pick a Gas Heater Repair Specialist.
Some property owners pick the cheapest repair service in Calgary, and the results are generally bad. Low-cost services are either simply getting started, so do not have experience or they have a bad reputation, so should provide 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 cost is to get estimates from several of the leading furnace repair work companies in Calgary. Consult with each, find out about their history and the experience of the specialists that will do the work. Pick an experienced heating system repair specialist with affordable rates.