Furnace Repair Work: Top 12 Furnace Problems and Repairing Guide
A great gas heater fixing guide helps you in determining what is wrong with the furnace based on its signs. That's what we do here with clear, simple information.
Repairing Common Gas Heater Issues
Every year, thousands of Calgary property owners ask, "What's wrong with my gas heating system?" If you're in that circumstance, this guide will arm you with information prior to you call a heater company. Knowledge is protection against being benefited from-- though most repair experts have sound principles.
Keep in mind: This guide covers the most typical problems, specifically those most property owners can easily consult no tools or basic tools such as screwdrivers and a multimeter.
1. The Furnace Will Not Start
If nothing furnace installation calgary happens when the thermostat is set above the home's present temperature level, the most likely causes are these:
- The heating system switch (situated on or near the furnace, appears like a typical light switch) is switched off and merely needs to be turned on, though the heating system might have a short hold-up before beginning
- The circuit breaker is off, and if the circuit continues to journey after it is turned back on, there is likely a circuitry brief in the furnace
- The thermostat isn't set to "heat," which is simple to inspect and correct
- The thermostat isn't working, and this is often caused by a wire coming loose, so examine 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 detected utilizing an electrical multimeter that shows if a circuit is total
- The filter is filthy and need to be replaced or cleaned up, an issue that is specifically true on more recent furnaces that are equipped to close down if the filter isn't permitting sufficient air circulation, a condition that can cause major mechanical failure
- The furnace's primary circuit board/control board is bad, an issue that can be detected by an A/C technician is nothing else resolves the concern
2. Furnace Blowing Cold Air
If the heater will not produce heat, you can check to see if it is getting power by moving the fan switch from the "Vehicle" position to the "On" position. If the fan comes on, then the heating system is getting power. The likely concerns then are:
- The gas is switched off, so check the gas cock 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 stopping working and should be changed
- The draft motor isn't functioning or the fresh-air consumption is obstructed, perhaps by snow or debris, and requires 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 heater and out the exhaust stack. If it begins and then the heater shuts down, the cause might be:
- The motor or the board that manages it has actually failed and should be changed
- A blocked air consumption or blocked exhaust chimney (snow, particles and bird's nests prevail 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 Won't Start
The issue, in this case, is either that the motor is bad or the capacitor that supports it is bad. This video will help you in fixing draft motor issues and what is triggering them.
5. The Flame Starts, but the Heater Shuts Down
If the burner starts making heat however soon shuts down without warming your home, the flame sensing unit isn't working. If the sensor has rust on it, sanding it might work, though replacing it is a longer-lasting repair.
6. The Blower Won't Shut Down
If the blower motor runs all the time, there are three common concerns:
- The fan turn on the thermostat is set to "on" rather than "vehicle".
- 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 board should be changed.
- The thermostat also has contacts that manage power to the heater, and they can be worn, so the thermostat needs to be changed.
If your heater burner lights but the heater soon turns off, there are a few typical problems that may cause this:.
- The heating system filter is unclean and should be cleaned or changed.
- The flame sensing unit isn't working and must be replaced.
- The thermostat is stopping working.
- While these prevail, there are numerous other possible causes finest diagnosed by a heater professional. This video offers in-depth protection to the problem of furnace short-cycling.
8. The Heater Runs but Can't Keep your house Warm.
If your furnace is effectively sized for your home, then it ought to keep your house warm even in severe cold. If it runs continuously but isn't providing enough heat, the most likely causes are:.
- An unclean filter that need to be washed (only if the washable type) or replaced.
- The filter is the incorrect type for your heater and restricts air flow, so must be replaced.
- The filter is installed backwards, a problem that can be inspected by searching for the arrows on the filter frame that reveal appropriate setup direction with the circulation of air.
- Air ducts are leaking, sometimes producing telltale whistling noises, and it is time to have them sealed as recommended by Energy Star.
9. The Heating System Makes Loud Noises.
A noisy heating system is frequently the outcome of:.
- The heater being a single-stage design 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 replaced.
- A leakage in the heating system cabinet, sheet metal plenum or ductwork near the furnace that should be tightened up.
- A dirty filter, which can also cause whistling.
10. The Heater Leaks when A/C is Running.
Water condenses on the evaporator coil in your furnace, and if it leaks onto the floor, the problem is probably a clogged up drain pan or drain line.
11. The Air Coming from the Heater Smells Bad.
Foul odors from the furnace are typically brought on by:.
- A really unclean filter that ought to be washed, if washable, or changed.
- A dead rodent or bird somewhere in the system, generally a task for an expert heater specialist.
12. The CO Monitor Going Off.
A carbon monoxide gas alarm need to be taken seriously. Turn the heater off at the thermostat. Don't enter into the room where the heater is located. Open doors and windows, and go outside. Call 911 from a cell phone outside your house.
How to Choose a Gas Heating System Repair Work Professional.
Some property owners select the cheapest repair work service in Calgary, and the outcomes are generally bad. Low-cost services are either just getting going, so lack experience or they have a bad reputation, so need to provide inexpensive prices to get tasks.
On the other hand, some services are overpriced. The best way to discover quality heater repair at a fair price is to get estimates from numerous of the top furnace repair work companies in Calgary. Consult with each, learn more about their history and the experience of the service technicians that will do the work. Choose a knowledgeable furnace repair professional with reasonable rates.
