![]() Thermocouples are readily available patio heater part and usually available locally at a hardware store. Light sandpaper or steel-wool can be used to sand off the outer debris and carbon. The solution for carbon and corrosion on a thermocouple can be easily fixed. Make sure you check out the note above! Solutions for Thermocouple Problems Or, the thermocouple has some age and simply has failed.Ī good indication that the thermocouple is malfunctioning is that the pilot light goes out when you try to turn the heater on. ![]() However, mostly the culprit is a carbon layer or carbon chucks absorbing the heat instead of the thermocouple itself. So, another simple cause may be a breeze blowing out the pilot light and therefore kicking in the fail safe shut down. ![]() On a propane heater, the thermocouple will turn off the patio heaters gas supply, this is a safety on all gas appliances. As it ages it could actually produce voltage, but just not enough to engage the fail-safe solenoid. One could consider the thermocouple like a lightbulb, it either works or it doesn’t. The thermocouple properties are such that heat generates a small electrical voltage that triggers a tiny fail safe solenoid in the gas valve. Often the thermocouple just quits working though. For example, corrosion wreaks havoc which goes along with age of the thermocouple. The thermocouple is easily affected by these factors. If this is the case, a pipe cleaner, maybe a toothpick, or a small wire brush could clear the obstructions fairly simply. The orifices may acquired a build-up of carbon or dirt and in turn diminish the flow of gas and, ultimately, the flame power. Here just take a screw drive or nut driver and loosen, reposition and snug the screw (check it that it is snug enough that the heat wont make it loose and slip again). The solutions may be as simple as the thermocouple slipped down from its holding bracket out of the flame area too. Thermocouples are readily available patio heater parts and usually available from stock. A gentle squeeze should do and a mild amount of force should do. Remove the bracket that holds the thermocouple and pilot light together for better access if needed. To access the thermocouple and pilot light area, you need to remove the front control panel covering, the control knob, pilot light, and the heater’s top reflector most likely. Turn the patio heater off, and using a pair of pliers (I prefer Needle Nose Pliers like these guys on Amazon), gently squeeze the thermocouple and manipulate it closer to the pilot light. The solution here is quite simple, make a thermocouple adjustment. When lighting a pilot light you have to hold the pilot light button down or leave it on the pilot setting until the thermocouple gets warm enough to allow gas flow. You may be aware, or unaware of this tid-bit of info? ![]() So, what to do if your pilot light flame is not on your thermocouple or your pilot flame has no power? NOTE: This will diminish the way the flame stands or its power in essence and perhaps be the reason the flame is not on your thermocouple. This is a safety feature on most all gas appliances.Ĭarbon and dirt can build up on the orifice of the pilot light as well. The thermocouple on the system detects no heat from the pilot light, and therefore it automatically shuts the heater down. This action results in the thermocouple cooling (or not heating up at all) and shutting the flow of gas off. However, sometimes the pilot light can move away from the thermocouple. The heat on the thermocouple reacts with its metal’s composition and keeps the gas supply open to the burner. The thermocouple is usually cylindrical shaped and sits in the pilot light’s flame. If your heater has a pilot light, then the thermocouple may have failed, carboned up, or just got dirty or corroded. This issue is related to the thermocouple. The troubleshooting techniques are listed below in order of most common to least common. Propane patio heaters may encounter several problems some familiar and minor issues have easy solutions. What Are the Most Common Problems on Propane Patio Heater? Here you will find the necessary things to check and change before writing your propane gas off as being broken. This post serves to keep you equipped with troubleshooting practices that will save you time and money in the long run. Due to their straightforward design, on the rare occasion that one of these heaters does not work correctly, troubleshooting them is also straightforward. While several specific mechanisms allow them to function, the only elements that a gas heater needs to work are flame and fuel.
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