An excellent gas heating system fixing guide assists you in identifying what is wrong with the heater based upon its signs. That's what we do here with clear, uncomplicated info.
Troubleshooting Common Gas Furnace Problems
Every year, thousands of Calgary house owners ask, "What's wrong with my gas heater?" If you're in that situation, this guide will arm you with details prior to you call a heating system company. Understanding is security against being taken advantage of-- though many repair work professionals have sound ethics.
Keep in mind: This guide covers the most common problems, specifically those most homeowners can easily contact no tools or basic tools such as screwdrivers and a multimeter.
1. The Heating System Will Not Start
If nothing occurs when the thermostat is set above the home's current temperature level, the most likely causes are these:
- The furnace switch (situated on or near the heating system, looks like a typical light switch) is turned off and simply requires to be turned on, though the heating system might have a short hold-up prior to beginning
- The circuit 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 furnace
- The thermostat isn't set to "heat," which is easy to check and fix
- The thermostat isn't working, and this is often brought on 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 detected utilizing an electrical multimeter that reveals if a circuit is total
- The filter is dirty and must be replaced or cleaned, an issue that is particularly true on newer heating systems that are geared up to close down if the filter isn't allowing adequate air flow, a condition that can trigger major mechanical failure
- The heater's main circuit board/control board is bad, an issue that can be detected by an A/C specialist is absolutely nothing else fixes the problem
2. Furnace Blowing Cold Air
If the heating system will not produce heat, you can inspect 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 heater is getting power. The most likely concerns then are:
- The gas is switched 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 should be changed
- The ignitor is stopping working and need to be changed
- The draft motor isn't functioning or the fresh-air intake is obstructed, possibly by snow or particles, and needs to be cleared
3. The Draft Motor Runs, Furnace 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 begins and after that the furnace closes down, the cause might be:
- The motor or the board that manages it has actually failed and need to be changed
- A blocked air intake or obstructed exhaust chimney (snow, debris and bird's nests are common causes) need to be cleared
- One of the concerns gone over above with gas, gas valve and ignitor need to be attended to
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 help you in repairing draft motor problems and what is causing them.
5. The Flame Starts, but the Heater Shuts Down
If the burner begins making heat but quickly 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 replacing it is a longer-lasting fix.
6. The Blower Won't Shut Down
If the blower motor runs all the time, there are three typical concerns:
- The fan switch on the thermostat is set to "on" instead of "vehicle".
- Relays in the control panel are stuck in the closed position, so the blower is getting a constant supply of electricity, and the control board need to be replaced.
- The thermostat likewise has contacts that manage power to the furnace, and they can be used, so the thermostat must be changed.
7. Why Does the Heater Keep Shutting Off?
If your heater burner lights but the heater soon shuts down, there are a couple of common problems that may trigger this:.
- The furnace filter is filthy and should be cleaned or replaced.
- The flame sensing unit isn't working and need to be replaced.
- The thermostat is failing.
- While these are common, there are several other possible causes best diagnosed by a heater technician. This video offers in-depth coverage to the problem of furnace short-cycling.
8. The Heater Runs however Can't Keep the House Warm.
If your heater is effectively sized for your house, then it needs to keep your house warm even in extreme cold. If it runs continuously but isn't offering sufficient 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 airflow, so need to be replaced.
- The filter is set up in reverse, an issue that can be examined by trying to find the arrows on the filter frame that reveal appropriate installation direction with the circulation of air.
- Duct are dripping, in some cases producing telltale whistling noises, and it is time to have them sealed as advised by Energy Star.
9. The Heater Makes Loud Noises.
A noisy heater is most often the result of:.
- The heater being a single-stage design that operates 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 must be changed.
- emergency furnace repair A leak in the heating system cabinet, sheet metal plenum or ductwork near the heating system that should be tightened.
- A filthy filter, which can likewise cause whistling.
10. The Furnace Leaks when A/C is Running.
Water condenses on the evaporator coil in your heater, and if it leaks onto the flooring, the concern is most likely a clogged drain pan or drain line.
11. The Air Coming from the Heating System Smells Bad.
Foul odors from the heater are generally caused by:.
- An extremely unclean filter that need to be washed, if washable, or changed.
- A dead rodent or bird someplace in the system, generally a task for a professional heater service technician.
12. The CO Screen Going Off.
A carbon monoxide gas alarm ought to be taken seriously. Turn the furnace off at the thermostat. Do not go into the room where the furnace lies. Open doors and windows, and go outside. Call 911 from a cellular phone outside your home.
How to Choose a Gas Heating System Repair Work Expert.
Some homeowners choose the cheapest repair work service in furnace company calgary Calgary, and the results are normally poor. Low-cost services are either just getting started, so do not have experience or they have a bad reputation, so should offer inexpensive prices to get tasks.
On the other hand, some services are overpriced. The best method to find quality heating system repair at a reasonable price is to get estimates from several of the leading heating system repair companies in Calgary. Meet each, find out about their history and the experience of the technicians that will do the work. Pick a skilled heating system repair work professional with sensible rates.