A good gas heater repairing guide helps you in determining what is wrong with the furnace based upon its signs. That's what we do here with clear, simple details.
Repairing Common Gas Heater Problems
Every year, thousands of Calgary house owners ask, "What's wrong with my gas heater?" If you remain in that situation, this guide will equip you with info before you call a heating system business. Knowledge is protection versus being taken advantage of-- though many repair professionals have sound ethics.
Note: This guide covers the most common problems, especially those most house owners can quickly contact no tools or standard tools such as screwdrivers and a multimeter.
1. The Heater Won't Start
If nothing takes place when the thermostat is set above the house's present temperature, the most likely causes are these:
- The heating system switch (located on or near the heating system, appears like a common light switch) is switched off and just requires to be switched on, though the heater may have a short hold-up prior to beginning
- The breaker is off, and if the circuit continues to journey after it is turned back on, there is likely a wiring brief in the heater
- The thermostat isn't set to "heat," which is easy to examine and treat
- The thermostat isn't working, and this is often caused by a wire coming loose, so examine the electrical wiring connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and must be changed, a concern that can be diagnosed utilizing an electrical multimeter that reveals if a circuit is complete
- The filter is unclean and need to be replaced or cleaned up, an issue that is specifically real on more recent heating systems that are equipped to shut down if the filter isn't allowing adequate air flow, a condition that can furnace repair calgary trigger severe mechanical failure
- The heating system's primary circuit board/control board is bad, a concern that can be identified by a HEATING AND COOLING service technician is nothing else fixes the problem
2. Heating System Blowing Cold Air
If the heating system will not produce heat, you can check 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 heating system is getting power. The most likely issues then are:
- The gas is turned off, so inspect the gas cock near the furnace to ensure it is parallel to the gas line
- The gas control valve isn't opening and must be changed
- The ignitor is failing and should be changed
- The draft motor isn't functioning or the fresh-air consumption is blocked, maybe by snow or particles, and requires to be cleared
3. The Draft Motor Runs, Heating System Won't Start
The draft motor is also called the inducer motor. It pulls hot combustion gases through the furnace and out the exhaust stack. If it begins and then the heating system closes down, the cause might be:
- The motor or the board that controls it has actually failed and must be replaced
- An obstructed air intake or obstructed exhaust chimney (snow, debris and bird's nests are common causes) need to be cleared
- One of the problems discussed above with gas, gas valve and ignitor should 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 fixing draft motor concerns and what is triggering them.
5. The Flame Starts, however the Furnace Shuts Down
If the burner starts making heat but soon turns off without warming your house, the flame sensor isn't working. If the sensing unit has deterioration on it, sanding it may work, though changing it is a longer-lasting fix.
6. The Blower Will Not Shut Down
If the blower motor runs all the time, there are three typical problems:
- The fan switch 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 electricity, and the control board need to be changed.
- The thermostat likewise has contacts that manage power to the furnace, and they can be worn, so the thermostat needs to be changed.
7. Why Does the Furnace Keep Shutting Off?
If your furnace burner lights however the heating system soon shuts off, there are a couple of typical issues that might trigger this:.
- The furnace filter is filthy and must be cleaned up or changed.
- The flame sensor isn't working and should be replaced.
- The thermostat is failing.
- While these are common, there are several other prospective causes best detected by a furnace professional. This video offers extensive protection to the issue of heater short-cycling.
8. The Furnace Runs however Can't Keep your home Warm.
If your heater is properly sized for your home, then it should keep your home warm even in severe cold. If it runs constantly however isn't providing enough heat, the likely causes are:.
- A filthy filter that need to be cleaned (just if the washable type) or replaced.
- The filter is the incorrect type for your heater and restricts air flow, so should be replaced.
- The filter is set up in reverse, an issue that can be checked by trying to find the arrows on the filter frame that show appropriate installation direction with the flow of air.
- Air ducts are leaking, sometimes producing obvious whistling sounds, and it is time to have them sealed as advised by Energy Star.
9. The Heater Makes Loud Noises.
A loud heater is usually the result of:.
- The heater being a single-stage design that works on gas furnace 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 leakage in the furnace cabinet, sheet metal plenum or ductwork near the furnace that need to be tightened.
- A filthy filter, which can also cause whistling.
10. The Heating System Leaks when AC is Running.
Water condenses on the evaporator coil in your furnace, and if it leakages onto the flooring, the issue is more than likely a clogged drain pan or drain line.
11. The Air Coming from the Furnace Smells Bad.
Foul odors from the furnace are generally triggered by:.
- A very dirty filter that should be cleaned, if washable, or changed.
- A dead rodent or bird someplace in the system, normally a task for an expert furnace specialist.
12. The CO Display Going Off.
A carbon monoxide gas alarm should be taken seriously. Turn the heater off at the thermostat. Don't go into the room where the heating system lies. Open doors and windows, and go outside. Call 911 from a mobile phone outside your house.
How to Select a Gas Heater Repair Work Specialist.
Some homeowners select the most affordable repair work service in Calgary, and the outcomes are normally poor. Inexpensive services are either just starting, so lack experience or they have a bad reputation, so must give low-cost prices to get jobs.
On the other hand, some services are overpriced. The best method to find quality heating system repair work at a fair rate is to get estimates from numerous of the leading furnace repair business in Calgary. Consult with each, find out about their history and the experience of the specialists that will do the work. Pick a knowledgeable furnace repair contractor with sensible rates.