Gas Fireplace Fan Keeps Turning On And Off

Often a gas fireplace has a millivolt generator which is in the path of the pilot flame. Need help from a MN tech.

Look To Gas Fireplaces For Home Heating Help Heatilator

So if your furnace blower is turning on and off when the furnace isnt in a heat cycle it usually means the fan limit switch is defective.

Gas fireplace fan keeps turning on and off. If youre smelling gas then shut it off. This can be caused by several issues. The most common issue is the overheating shutoff sensor which will cause the unit to shut off and then back on after it has cooled.

When the fire box warms up the switch closes and the ran runs when the fire box cools off after you shut the unit down. I lit the pilot light last week. This decrease in flow occurs because of the build up of dust and other particles which block off the vent.

According to the repairman over time a tiny amount of corrosion or even just plain wear will affect the connection inside the switch creating increased resistance. The switch that keeps the fireplace off in the gl. Seems simple but the gas valve could have gotten turned off for any number of reasons over the summer or since it was last used.

I have two propane fireplaces. For some reason the blower controlled by a Snap disc thermostat keeps cycling on 5 min off maybe 20. Only the pilot light is on.

Be sure to check your instruction manual for more details on how to turn your pilot light back on. Heat Glo fireplaces will sometimes turn on and off without signs of why. If you notice that youre blower is not putting out as much hot air as usual then your blower may have a problem with decreased air flow.

If the flame sensor becomes corroded or covered in soot it cannot detect flames even when your furnace is running properly. Heating Air Conditioning Contractor. You checked your pilot light and reset it.

To start the flame you need to press the trigger that is on the lighter. Keep in mind that the instructions to reset your pilot light will be different for every make and model of gas fireplace. To remove the debris use a wetdry vacuum and thoroughly clean the vent.

Basically the fireplace does not know its lit so to avoid big badda boom it turns the burner off. Why does my gas fireplace keep turning on and off. The flame sensor is a safety device designed to turn off your furnace if no flames are detected protecting you against dangerous gas fumes.

A flame sensor problem could be why your furnace keeps shutting off. Shut off the circuit breaker for the motor that operates the blower. Common causes of gas fireplace noises follow.

The switch opens and stops the fan. A rumbling noise that occurs when the burners are on typically means that burners are dirty. It really can be as simple as checking your pilot light and turning it on.

This video was uploaded from an Android phone. If there is a roaring sound that occurs when the pilot light is on it is usually because the flame needs to be adjusted. We turned it off but is this dangerous.

Its acting like the main flame is on but its not. One of these devices could have gone bad or may have shorted out causing your fireplace to. Sometimes either turning the unit to manual mode or setting the thermostat to a higher setting can solve the issue of the thermostat turning on and off.

Step 1 Turn off the gas valve that controls the fireplace burners and wait for the insert to cool. A 3 switch was the solution to a fireplace that keeps turning itself off. The safest course of action is to have a professional.

Contact our chimney professionals to have your burners properly cleaned. Hello mounted on the outside of the burner box heat exchangeris a small round disc with two wires attached that operate the fan. After turning it on wait a couple minutes and then try lighting the fireplace again.

I have two propane fireplaces on the same chimney one. You can get a fireplace fan here httpamznto2wVRtqeIn most cases you can add a blower to your unit even if it was not originally installedMontigo HF. It is about the size of an AA battery and is wired to the switch and gas valve.

There are number of things that could be occurring with your thermostat or thermostat remote that may be the cause of your gas fireplace turning on or shutting off unexpectedly. The next common issue is. If the millivolt generator is old and weak or if the pilot flame is weak and wavering the main burner will go on and off.

Gas Fireplace Shuts Off and Pilot Goes Out After that you need to insert the butane lighter into the gas tube. Bad Thermo Couple or Thermo Pile A thermo couple is a sensor device that detects heat and permits the pilot light to stay lit. The butane lighter is located near the center of the gas logs.

A loose wire or similar minor issue can often be fixed in a few minutes without calling a repair technician. I figure there must still b gas and O2 avaiable since the pilot light is chuggin along just. I had it off for the summer.

Unless youre familiar with the components of your fan limit switch and how it works we suggest letting a professional repair or replace the switch. What if the gas fireplace pilot light wont stay lit. I have a Jotul gas fireplace.

Hi I just turned on our glass log fireplace and it seems much hotter than normal and has a small of gas. 1 Make sure the gas is on.

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