A good gas heater repairing guide helps you in identifying what is wrong with the heating system based upon its signs. That's what we do here with clear, straightforward info.
Troubleshooting Common Gas Heating System Issues
Every year, thousands of Calgary homeowners ask, "What's wrong with my gas heater?" If you remain in that situation, this guide will equip you with details prior to you call a heating system business. Understanding is security versus being benefited from-- though most repair work specialists have sound ethics.
Note: This guide covers the most typical issues, especially those most house owners can easily talk to no tools or fundamental tools such as screwdrivers and a multimeter.
1. The Furnace Won't Start
If nothing happens when the thermostat is set above the house's current temperature level, the most likely causes are these:
- The heating system switch (situated on or near the heater, appears like a typical light switch) is shut off and simply requires to be turned on, though the heater may have a brief hold-up before starting
- The breaker is off, and if the circuit continues to journey 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 treat
- The thermostat isn't working, and this is sometimes caused by a wire coming loose, so check the electrical wiring connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and should be replaced, a problem that can be diagnosed utilizing an electrical multimeter that reveals if a circuit is complete
- The filter is unclean and must be replaced or cleaned, a concern that is specifically real on more recent heating systems that are geared up to shut down if the filter isn't permitting sufficient air flow, a condition that can trigger major mechanical failure
- The heating system's main circuit board/control board is bad, a problem that can be diagnosed by a HVAC professional is absolutely nothing else resolves the problem
2. Heater Blowing Cold Air
If the heater won't 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 concerns then are:
- The gas is turned off, so inspect the gas dick near the heating system to ensure 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 should be replaced
- The draft motor isn't operating or the fresh-air intake is blocked, perhaps by snow or debris, and needs to be cleared
3. The Draft Motor Runs, Heater Will Not Start
The draft motor is also called the inducer motor. It pulls hot combustion gases through the heating system 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 manages it has failed and should be changed
- A blocked air intake or blocked exhaust chimney (snow, debris and bird's nests prevail causes) must be cleared
- One of the concerns discussed above with gas, gas valve and ignitor need to be attended to
4. The Draft Motor Will Not 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 concerns and what is causing them.
5. The Flame Begins, but the Heating system Shuts Down
If the burner begins making heat but soon shuts off without warming your house, the flame sensing unit isn't working. If the sensor has deterioration on it, sanding it might work, though changing it is a longer-lasting fix.
6. The Blower Won't Shut Off
If the blower motor runs all the time, there are 3 common issues:
- The fan turn on the thermostat is set to "on" rather than "car".
- 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 changed.
- The thermostat likewise has contacts that control power to the heater, and they can be worn, so the thermostat needs to be replaced.
7. Why Does the Furnace Keep Shutting Down?
If your furnace burner lights but the heating system soon shuts down, there are a couple of common concerns that might trigger this:.
- The heating system filter is filthy and should be cleaned or replaced.
- The flame sensing unit isn't working and need to be changed.
- The thermostat is failing.
- While these prevail, there are several other prospective causes best detected by a furnace service technician. This video offers extensive coverage to the problem of furnace short-cycling.
8. The Furnace Runs but Can't Keep your home Warm.
If your furnace is properly sized for your house, then it should keep your house warm even in severe cold. If it runs constantly but isn't offering adequate heat, the likely causes are:.
- A filthy filter that must be washed (only if the washable type) or changed.
- The filter is the wrong type for your heater and restricts air flow, so need to be changed.
- The filter is installed in reverse, a concern that can be checked by trying to find the arrows on the filter frame that reveal appropriate setup direction with the flow of air.
- Air ducts are dripping, in some cases producing telltale whistling sounds, and it is time to have them sealed as advised by Energy Star.
9. The Furnace Makes Loud Noises.
A loud heating system is frequently the outcome of:.
- The heating system 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 should be replaced.
- A leakage in the furnace cabinet, sheet metal plenum or ductwork near the heating system that must be tightened up.
- An unclean filter, which can also trigger whistling.
10. The Heater Leaks when Air Conditioning is Running.
Water condenses on the evaporator coil in your heating system, and if it leakages onto the floor, the concern is more than likely a stopped up drain pan or drain line.
11. The Air Coming from the Furnace Smells Bad.
Foul odors from the furnace are normally brought on by:.
- A really unclean filter that must be cleaned, if washable, or changed.
- A dead rodent or bird somewhere in the system, usually a task for an expert heating system professional.
12. The CO Display Going Off.
A carbon monoxide gas alarm ought to be taken seriously. Turn the heater off at the thermostat. Do not enter into the room where the heating system lies. Open doors and windows, furnace companies calgary and go outside. Call 911 from a cell phone outside your home.
How to Choose a Gas Heating System Repair Work Expert.
Some house owners pick the cheapest repair work service in Calgary, and the results are generally bad. Inexpensive gas furnace services are either just beginning, so lack experience or they have a bad track record, so should provide inexpensive prices to get jobs.
On the other hand, some services are overpriced. The very best way to discover quality furnace repair at a fair rate is to get price quotes from numerous of the top heating system repair work business in Calgary. Meet each, find out about their history and the experience of the professionals that will do the work. Select an experienced heating system repair work specialist with affordable rates.