My Furnace Won’t Start Tips Before Call for Service

When your furnace will not start, you might feel a sense of panic and wonder if there is anything that you can do before calling for professional assistance. Help my furnace or heater does not work. We can help fix your furnace fast and friendly. I have over 30 years’ experience working on HVAC systems.

As your Orange County, CA furnace repair specialists, our team at D C’s heating & air conditioning 949-770-9616 has many years of experience in helping homeowners troubleshoot their furnaces and identify the cause of furnace problems.

My Furnace Won’t Start Tips Before Call for Service

Before you make a call for furnace repair, here are several things that you can do to troubleshoot the heating system.

Check the thermostat. 
Make sure the thermostat is set to the heating function and that the temperature set point is higher than the ambient temperature. If necessary, turn the fan to the “on” mode. Check and replace batteries every year.

Check the power.
Even gas systems use electricity. Check to make sure the circuit breaker to the heating equipment has not tripped. Inspect the system’s power cord for signs of damage. Make sure the power switch is in the “on” position.

My Furnace Won't Start Tips Before Call for Service
My Furnace Won’t Start Tips Before Call for Service

Look at the control board of the heating system and see if there are any burn marks that indicate an electrical short. Make sure all panels are on secure and safety switch is depressed.

Check the blower.
The blower compartment has an inspection window with a light that should be flashing green. If it is red or not flashing, there could be a problem with the blower motor, transformer, control board or run capacitor. Most newer heaters will flash failure code

Check the pilot light.
If the pilot light has gone out, relight it. Once the flame is lit, check to make sure it reaches the bottom of the thermocouple switch. If the pilot light goes out right after you light it, the assembly or sensor could be dirty.

Check the gas.
A disruption of the gas supply to your home could leave your heating system without fuel. If you smell gas, leave your home immediately and then contact us for urgent repair service.

Check air filter

Check and replace your air filter every 6 months. Many times a dirty or plugged up air filter will cause restriction of air flow across the heat exchanger causing the furnace to shut down.

After taking these troubleshooting steps, contact us if your heating system still does not start or if you are unsure of how to do any of these troubleshooting steps.

Our experienced HVAC repair team has the safety equipment and tools to inspect your entire heating system for signs of problems. Our experts are certified for working with gas lines and have the personal protective gear to do so without injury.

We are experienced in working on all types of gas and electric heating systems. No heating problem is too complex for our professional staff.

At D C’s heating & air conditioning, our experienced HVAC professionals are available 24/7/365 to troubleshoot and identify the cause of heating system problems.

We offer scheduled and emergency furnace repairs throughout the Orange County, CA area. Our team of dedicated HVAC repair specialists looks forward to assisting you in restoring comfort to your home.  Call us with any issues or concerns you may have.

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D C’s heating & air conditioning

24872 Wells Fargo Drive Laguna Hills, CA 92653

Call 949-770-9616



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