- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
Two things could be causing this: A dirty pilot (especially if the pilot flame is curling up,away from the Thermocouple. Or when you installed the new thermocouple, you overtightened it.
To clean the pilot use canned air with a straw nozzle (like you clean your computer with) to blow out the pilot tip and the surrounding parts of the pilot assembly.
To correct the Thermocouple problem: Loosen and remove the end of the Thermocouple from the Control Valve for 2 minutes. Reinstall it, using your fingers to tighten (be careful not to cross thread it) until you can tighten it no longer with your fingers. With an appropriately sized wrench, tighten it only 1/4 turn more.
If this happens each time the blower starts, you have a crack in the heat exchanger and need to replace furnace. If the blower is not starting, it could be a high limit opening up because of the heat being generated. By pass the high limit circuit to see if it stays on and the blower works. This is only a test procedure, do not continue to run system like this. If you have a manual fan switch, turn it on and then start the heater.
From what you have described, it sounds like the Thermocouple is going bad and needs to be replaced. As far as not being able to relight the pilot right away is concerned ... that's a safety feature. The control has to reset itself, before you can relight it, if the pilot goes out on it's on. As it did in your care. It usually takes about 2 - 3 minutes for the control valve to reset itself.
As far as replacing the Thermocouple is concerned, it's somewhat of a specialty item, because of it being in a tall patio heater. However, armed with the Model # of your Charmglow Patio Heater, you can probably purchase one from the manufacturer, Chamglow.
If the fan comes on and blows out the pilot light then you need a new furnace because that's the sign of a crack in the heat exchanger. Need a little better description. Do the burners light then the fan come`s on and then it goes out completely?
The over ride button is on the thermostat? It sounds like the thermostat is programed to cut out at this temp. If you want to try, remove the thermostat and connect the white and red wires together, don't worry, they are only 24 volts, you wont feel it. Like this the heater will run continuously. I don't know what type of heater you have so after a few minutes (4 or 5) the fan doesn't come on you need to attach the green wire to the white and red, but I don't think you will need to. If this does as I said, then the thermostat needs to be re-programed, or replaced with a simpler model that is not "energy efficient."
I'm a little confused by your terminology. You are saying you have a pilot lite and electric heat strips? Are you possibly meaning burners? Is the heater running for 2 hours straight without shutting off? how cold is it there? Lastly what temperature do you have the thermostat set at and how close does it get to the temp. before it shuts off?