Heating System Repair Work: Top Twelve Heater Problems and Troubleshooting Guide

Posted by Nelia on January 31st, 2021

A great gas furnace repairing guide assists you in identifying what is wrong with the heating system based upon its symptoms. That's what we do here with clear, straightforward info.

Repairing Common Gas Heater Issues

Every year, countless Calgary homeowners ask, "What's wrong with my gas heater?" If you remain in that scenario, this guide will arm you with details before you call a heater company. Understanding is security versus being taken advantage of-- though a lot of repair professionals have sound principles.

Keep in mind: This guide covers the most common issues, specifically those most house owners can easily check with no tools or standard tools such as screwdrivers and a multimeter.

1. The Heating System Will Not Start

If absolutely nothing takes place when the thermostat is set above the house's existing temperature, the most likely causes are these:

- The furnace switch (situated on or near the heater, appears like a common light switch) is switched off and simply needs to be switched on, though the heater 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 heater

- The thermostat isn't set to "heat," which is easy to check and remedy

- The thermostat isn't working, and this is in some cases triggered by a wire coming loose, so examine the circuitry connections

- The thermostat requires fresh batteries, if battery-powered, or it is bad and must be replaced, a concern that can be identified utilizing an electrical multimeter that shows if a circuit is total

- The filter is filthy and need to be changed or cleaned up, a concern that is particularly true on more recent furnaces that are geared up to shut down if the filter isn't enabling appropriate air circulation, a condition that can cause serious mechanical failure

- The furnace's main circuit board/control board is bad, a concern that can be identified by an A/C service technician is absolutely nothing else solves 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 "Vehicle" position to the "On" position. If the fan begins, then the furnace is getting power. The likely problems then are:

- The gas is turned off, so check the gas dick near the furnace to ensure it is parallel to the gas line

- The gas control valve isn't opening and must be replaced

- The ignitor is failing and must be changed

- The draft motor isn't functioning or the fresh-air intake is obstructed, maybe by snow or particles, and needs to be cleared

3. The Draft Motor Runs, Heater Won't Start

The draft motor is also called the inducer motor. It pulls hot combustion gases through the heater 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 controls it has actually failed and must be replaced

- A blocked air intake or obstructed exhaust chimney (snow, debris and bird's nests are common causes) need to be cleared

- One of the issues gone over above with gas, gas valve and ignitor should 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 assist you in repairing draft motor concerns and what is causing them.

5. furnace installation The Flame Starts, however the Furnace Shuts Down

If the burner starts making heat but soon shuts off without warming your house, the flame sensor isn't working. If the sensor has deterioration on it, sanding it might work, though replacing it is a longer-lasting repair.

6. The Blower Won't Shut Off

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 "automobile".

- Relays in the control board are stuck in the closed position, so the blower is getting a continuous supply of electrical energy, and the control panel need to be changed.

- The thermostat also has contacts that manage power to furnace companies calgary the furnace, and they can be worn, so the thermostat needs to be changed.

7. Why Does the Heating System Keep Turning Off?

If your furnace burner lights but the furnace quickly shuts down, there are a few common issues that might cause this:.

- The heating system filter is unclean and must be cleaned or replaced.

- The flame sensing unit isn't working and ought to be changed.

- The thermostat is stopping working.

- While these prevail, there are a number of other prospective causes best diagnosed by a heating system service technician. This video gives thorough coverage to the issue of furnace short-cycling.

8. The Furnace Runs but Can't Keep your home Warm.

If your furnace is effectively sized for your house, then it must keep your house warm even in severe cold. If it runs continuously however isn't offering sufficient heat, the likely causes are:.

- A dirty filter that need to be washed (only if the washable type) or changed.

- The filter is the incorrect type for your furnace and restricts airflow, so should be changed.

- The filter is set up backwards, an issue that can be checked by looking for the arrows on the filter frame that show proper setup direction with the flow of air.

- Air ducts are leaking, sometimes producing telltale whistling sounds, and it is time to have them sealed as advised by Energy Star.

9. The Heater Makes Loud Noises.

A loud furnace is usually the result of:.

- The heater being a single-stage design that operates 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 must be replaced.

- A leak in the heating system cabinet, sheet metal plenum or ductwork near the heater that must be tightened.

- A filthy filter, which can likewise cause whistling.

10. The Heating System Leaks when Air Conditioning is Running.

Water condenses on the evaporator coil in your heating system, and if it leakages onto the floor, the concern is more than likely a blocked drain pan or drain line.

11. The Air Coming from the Heater Smells Bad.

Foul odors from the heating system are generally caused by:.

- A very unclean filter that should be washed, if washable, or replaced.

- A dead rodent or bird someplace in the system, normally a job for an expert heating system professional.

12. The CO Screen Going Off.

A carbon monoxide gas alarm need to be taken seriously. Turn the heater off at the thermostat. Don't go into the room where the furnace lies. Open doors and windows, and go outside. Call 911 from a mobile phone outside your home.

How to Select a Gas Heating System Repair Specialist.

Some house owners pick the most affordable repair service in Calgary, and the outcomes are generally bad. Low-cost services are either just beginning, so lack experience or they have a bad credibility, so need to give low-cost pricing to get jobs.

On the other hand, some services are overpriced. The very best method to find quality heater repair at a reasonable rate is to get estimates from numerous of the top furnace repair work business in Calgary. Meet with each, discover their history and the experience of the professionals that will do the work. Select an experienced heating system repair professional with affordable rates.