Heater Repair: Top Twelve Heating System Issues and Repairing How to Guide

Posted by Nelia on February 1st, 2021

A good gas heater fixing guide assists you in identifying what is wrong with the heater based on its symptoms. That's what we do here with clear, simple information.

Repairing Common Gas Heating System Issues

Every year, countless Calgary homeowners ask, "What's wrong with my gas heating system?" If you remain in that situation, this guide will equip you with details prior to you call a furnace company. Knowledge is defense versus being made the most of-- though many repair professionals have sound principles.

Note: This guide covers the most common problems, particularly those most house owners can easily contact no tools or basic tools such as screwdrivers and a multimeter.

1. The Furnace Won't Start

If nothing occurs when the thermostat is set above the house's current temperature, the most likely causes are these:

- The heater switch (situated on or near the heater, appears like a typical light switch) is turned off and merely requires to be switched on, though the heater may have a short delay prior to starting

- The breaker is off, and if the circuit continues to trip after it is turned back on, there is likely a wiring short 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 examine the circuitry connections

- The thermostat requires fresh batteries, if battery-powered, or it is bad and need to be replaced, a concern that can be identified utilizing an electrical multimeter that reveals if a circuit is complete

- The filter is dirty and should be replaced or cleaned up, a concern that is particularly true on more recent heating systems that are equipped to close down if the filter isn't enabling sufficient air circulation, a condition that can cause serious mechanical failure

- The heating system's primary circuit board/control board is bad, a problem that can be diagnosed by an A/C specialist is nothing else resolves the problem

2. Furnace Blowing Cold Air

If the heater won't 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 comes on, then the furnace is getting power. The most likely concerns 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 must be changed

- The ignitor is stopping working and need to be changed

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

3. The Draft Motor Runs, Furnace Will Not Start

The draft motor is also called the inducer motor. It pulls hot combustion gases through the heating system and out the exhaust stack. If it starts and after that the furnace closes down, the cause might be:

- The motor or the board that controls it has failed and should be changed

- A blocked air intake or obstructed exhaust chimney (snow, particles and bird's nests prevail causes) must be cleared

- Among the problems discussed above with gas, gas valve and ignitor must be dealt with

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 assist you in fixing draft motor concerns and what is causing them.

5. The Flame Begins, but the Heating system Shuts Down

If the burner begins making heat however soon shuts down without warming your home, the flame sensing unit isn't working. If the sensor has corrosion on it, sanding it may work, though replacing it is a longer-lasting fix.

6. The Blower Will Not Shut Off

If the blower motor runs all the time, there are 3 typical problems:

- The fan turn 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 consistent supply of electricity, and the control board need to be replaced.

- The thermostat likewise has contacts that control power to the furnace, and they can be worn, so the thermostat needs to be changed.

7. Why Does the Heating System Keep Shutting Off?

If your heater burner lights however the furnace soon shuts down, there are a few common concerns that may trigger this:.

- The furnace filter is unclean and ought to be cleaned or replaced.

- The flame sensing unit isn't working and should be replaced.

- The thermostat is stopping working.

- While these prevail, there are several other possible causes finest detected by a heating system service technician. This video provides in-depth coverage to the issue of heater short-cycling.

8. The Heating System Runs however Can't Keep your home Warm.

If your heating system is properly sized for your home, then it ought to keep your home warm even in extreme cold. If it runs continuously but isn't providing sufficient heat, the likely causes are:.

- An unclean filter that need to be washed (only if the washable type) or replaced.

- The filter is the wrong type for your heater and restricts air flow, so should be changed.

- The filter is installed backwards, a problem that can be checked by trying to find the arrows on the filter frame that reveal appropriate setup instructions with the circulation of air.

- Air ducts are dripping, sometimes producing telltale 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 furnace 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 leakage in the heating system cabinet, sheet metal plenum or ductwork near the furnace that must be tightened up.

- A filthy filter, which can likewise trigger whistling.

10. The Heater Leaks when Air Conditioner is Running.

Water condenses on the evaporator coil in your furnace, and if it leakages onto the floor, the problem is probably a stopped up drain pan or drain line.

11. The Air Coming from the Furnace Smells Bad.

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

- A really unclean filter that need to be washed, if washable, or replaced.

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

12. The CO Monitor Going Off.

A carbon monoxide alarm must be taken seriously. Turn the heater off at heating and air conditioning the thermostat. Don't enter into the space where the heating system is located. Open doors and windows, and go outside. Call 911 from a mobile phone outside your home.

How to Select a Gas Heating System Repair Work Professional.

Some house owners select the most affordable repair work service in Calgary, and the outcomes are usually poor. Low-cost services are either just getting going, so lack experience or they have a bad reputation, so need to give inexpensive prices to get jobs.

On the other hand, some services are overpriced. The best method to discover quality furnace repair work at a reasonable price is to get price quotes from numerous of the top heating system repair work companies in Calgary. Consult with each, find out about their history and the experience of the specialists that will do the work. Pick a knowledgeable heating system repair work professional with affordable rates.