Heater Repair: Leading 12 Heating System Issues and Repairing How to Guide
A great gas heater fixing guide assists you in determining what is wrong with the heater based on its symptoms. That's what we do here with clear, straightforward details.
Fixing Common Gas Heating System Issues
Every year, thousands of Calgary property owners ask, "What's wrong with my gas furnace?" If you're in that situation, this guide will arm you with details before you call a heater business. Understanding is defense against being benefited from-- though most repair professionals have sound principles.
Keep in mind: This guide covers the most common issues, specifically those most property owners can quickly check with no tools or fundamental tools such as screwdrivers and a multimeter.
1. The Furnace Will Not Start
If nothing occurs when the thermostat is set above the house's current temperature level, the most likely causes are these:
- The furnace switch (situated on or near the heating system, looks like a common light switch) is shut off and just requires to be switched on, though the heating system might have a brief delay prior to 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 heater
- The thermostat isn't set to "heat," which is easy to check and fix
- The thermostat isn't working, and this is sometimes triggered by a wire coming loose, so check the electrical wiring connections
- The thermostat needs fresh batteries, if battery-powered, or it is bad and should be replaced, a problem that can be diagnosed using an electrical multimeter that reveals if a circuit is complete
- The filter is filthy and should be changed or cleaned up, a problem that is particularly real on more recent furnaces that are equipped to close down if the filter isn't permitting appropriate air flow, a condition that can cause severe mechanical failure
- The furnace's primary circuit board/control board is bad, a problem that can be detected by a HVAC specialist is absolutely nothing else solves the problem
2. Heater Blowing Cold Air
If the furnace won't produce heat, you can inspect to see if it is getting power by moving the fan switch from the "Auto" position to the "On" position. If the fan comes on, then the heater is getting power. The likely problems then are:
- The gas is switched off, so inspect the gas dick near the furnace to ensure it is parallel to the gas line
- The gas control valve isn't opening and should be changed
- The ignitor is failing and must be changed
- The draft motor isn't working or the fresh-air intake is obstructed, maybe by snow or debris, and needs to be cleared
3. The Draft Motor Runs, Furnace Won't 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 furnace closes down, the cause might be:
- The motor or the board that controls it has actually failed and must be replaced
- A blocked air intake or blocked exhaust chimney (snow, particles and bird's nests are common causes) should be cleared
- Among the problems gone over above with gas, gas valve and ignitor must be addressed
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 Begins, however the Heating system Shuts Down
If the burner starts making heat however quickly shuts down without warming your home, the flame sensor isn't working. If the sensing unit has rust on it, sanding it may work, though changing it is a longer-lasting repair.
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" instead of "automobile".
- Relays in the control board are stuck in the closed position, so the blower is getting a constant supply of electricity, and the control board should be changed.
- The thermostat also has contacts that control power to the furnace, and they can be worn, so the thermostat needs to be replaced.
7. Why Does the Heater Keep Turning Off?
If your heater burner lights but the heating system soon shuts off, there are a few common concerns that might cause this:.
- The furnace filter is dirty and should be cleaned up or replaced.
- The flame sensor isn't working and need to be changed.
- The thermostat is stopping working.
- While these are common, there are a number of other potential causes best identified by a furnace specialist. This high efficiency furnace video gives in-depth coverage to the problem of furnace short-cycling.
8. The Heater Runs however Can't Keep your home Warm.
If your heating system is appropriately sized for your house, then it ought to keep your house warm even in extreme cold. If it runs constantly but isn't supplying sufficient heat, the likely causes are:.
- A dirty filter that should be washed (just if the washable type) or replaced.
- The filter is the wrong type for your furnace and limits air flow, so should be changed.
- The filter is set up in reverse, an issue that can be examined by looking for the arrows on the filter frame that reveal appropriate installation direction with the flow of air.
- Air ducts are dripping, sometimes producing obvious whistling noises, and it is time to have them sealed as suggested by Energy Star.
9. The Heater Makes Loud Noises.
A noisy heater is most often the outcome of:.
- The heating system being a single-stage model that runs 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 should be replaced.
- A leak in the heating system cabinet, sheet metal plenum or ductwork near the heater that must be tightened.
- A dirty filter, which can likewise trigger whistling.
10. The Heater Leaks when Air Conditioning is Running.
Water condenses on the evaporator coil in your heater, and if it leaks onto the flooring, the concern is probably a clogged drain pan or drain line.
11. The Air Coming from the Heater Smells Bad.
Foul odors from the heater are usually triggered by:.
- A really unclean filter that need to be cleaned, if washable, or replaced.
- A dead rodent or bird someplace in the system, usually a job for a professional heating system professional.
12. The CO Monitor Going Off.
A carbon monoxide gas alarm must be taken seriously. Turn the furnace off at the thermostat. Do not enter 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 Select a Gas Furnace Repair Work Expert.
Some property owners choose the cheapest repair work service in Calgary, and the outcomes are typically bad. Cheap services are either just starting, so do not have experience or they have a bad reputation, so need to offer cheap rates to get jobs.
On the other hand, some services are overpriced. The best way to discover quality heating system repair at a reasonable cost is to get quotes from several of furnace repair calgary the leading heater repair business in Calgary. Consult with each, discover their history and the experience of the service technicians that will do the work. Choose an experienced heater repair specialist with affordable rates.