A good gas heating system fixing guide helps you in identifying what is wrong with the heater based on its signs. That's what we do here with clear, straightforward information.
Troubleshooting Common Gas Heating System Problems
Every year, countless Calgary property owners ask, "What's wrong with my gas furnace?" If you're in that scenario, this guide will arm you with info before you call a furnace company. Knowledge is defense against being benefited from-- though the majority of repair work professionals have sound ethics.
Note: This guide covers the most typical problems, especially those most homeowners can quickly talk to no tools or standard tools such as screwdrivers and a multimeter.
1. The Heater Won't Start
If nothing occurs when the thermostat is set above the home's existing temperature, the most likely causes are these:
- The heater switch (situated on or near the heating system, looks like a common light switch) is shut off and just requires to be turned on, though the heater might have a short delay prior to starting
- The circuit 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 simple to examine and correct
- The thermostat isn't working, and this is sometimes triggered by a wire coming loose, so inspect the wiring connections
- The thermostat requires fresh batteries, if battery-powered, or it is bad and must be replaced, a concern that can be diagnosed utilizing an electrical multimeter that reveals if a circuit is complete
- The filter is unclean and furnace repair calgary 24 hour should be changed or cleaned up, a concern that is especially real on newer furnaces that are geared up to close down if the filter isn't enabling adequate air circulation, a condition that can trigger major mechanical failure
- The heating system's main circuit board/control board is bad, a concern that can be identified by an A/C technician is nothing else fixes the problem
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 "Auto" position to the "On" position. If the fan begins, then the heating system is getting power. The likely problems then are:
- The gas is turned off, so check the gas dick near the furnace to make sure it is parallel to the gas line
- The gas control valve isn't opening and need to be changed
- The ignitor is failing and should be replaced
- The draft motor isn't operating or the fresh-air intake is obstructed, maybe by snow or particles, and requires 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 after that the furnace shuts down, the cause might be:
- The motor or the board that controls it has failed and must be replaced
- An obstructed air consumption or blocked exhaust chimney efficient heating and cooling (snow, debris and bird's nests prevail causes) should be cleared
- Among the problems discussed 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 concerns and what is causing them.
5. The Flame Starts, however the Furnace Shuts Down
If the burner starts making heat however soon turns off without warming your home, the flame sensor isn't working. If the sensor has corrosion on it, sanding it may work, though changing it is a longer-lasting repair.
6. The Blower Will Not Shut Down
If the blower motor runs all the time, there are three common problems:
- The fan switch on the thermostat is set to "on" rather than "auto".
- Relays in the control board are stuck in the closed position, so the blower is getting a consistent supply of electrical energy, and the control board need to be changed.
- The thermostat likewise has contacts that manage power to the heater, and they can be worn, so the thermostat must be replaced.
7. Why Does the Furnace Keep Turning Off?
If your furnace burner lights however the furnace quickly shuts down, there are a couple of typical issues that may trigger this:.
- The heating system filter is filthy and ought to be cleaned up or replaced.
- The flame sensor isn't working and must be replaced.
- The thermostat is failing.
- While these are common, there are a number of other potential causes best detected by a furnace service technician. This video provides in-depth protection to the issue of heater short-cycling.
8. The Heating System Runs however Can't Keep the House Warm.
If your heating system is properly sized for your home, then it ought to keep your house warm even in extreme cold. If it runs continuously but isn't providing enough heat, the most likely causes are:.
- A dirty filter that should be cleaned (only if the washable type) or changed.
- The filter is the incorrect type for your heating system and limits air flow, so should be changed.
- The filter is set up backwards, a problem that can be checked by looking for the arrows on the filter frame that show appropriate setup instructions with the circulation of air.
- Air ducts are leaking, sometimes producing telltale whistling sounds, and it is time to have them sealed as recommended by Energy Star.
9. The Heater Makes Loud Noises.
A noisy heating system is most often the result of:.
- The furnace being a single-stage model that runs 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 changed.
- A leakage in the heating system cabinet, sheet metal plenum or ductwork near the furnace that need to be tightened up.
- An unclean filter, which can likewise trigger whistling.
10. The Furnace Leaks when Air Conditioner is Running.
Water condenses on the evaporator coil in your heater, and if it leaks onto the floor, the concern is probably a blocked drain pan or drain line.
11. The Air Coming from the Heating System Smells Bad.
Foul odors from the furnace are generally triggered by:.
- A very unclean filter that ought to be cleaned, if washable, or changed.
- A dead rodent or bird somewhere in the system, generally a task for a professional furnace service technician.
12. The CO Display Going Off.
A carbon monoxide alarm must be taken seriously. Turn the heater off at the thermostat. Don't enter into the space where the furnace lies. Open doors and windows, and go outside. Call 911 from a mobile phone outside your house.
How to Pick a Gas Heating System Repair Work Expert.
Some property owners select the least expensive repair work service in Calgary, and the outcomes are usually poor. Inexpensive services are either just getting going, so lack experience or they have a bad credibility, so should provide cheap rates to get jobs.
On the other hand, some services are overpriced. The very best way to discover quality heater repair work at a reasonable price is to get price quotes from numerous of the leading heating system repair work business in Calgary. Meet with each, learn about their history and the experience of the professionals that will do the work. Select a knowledgeable heating system repair specialist with sensible rates.