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Coleman 5040-751 BackHome Open Flame Patio Heater Questions & Answers
My heater will light and burn steadily for about 2
Sounds like the Thermocouple is going bad. Or, since it's Propane, he Thermocouple has a lacquered finish on it from the propane. If so, locate the Thermocouple (see your Owners Manual) and using a strip of fine sand paper, polish the Thermocouple thoroughly. You don't want to actually sand it, as much as polish it. Then wipe off the Thermocouple with a cotton ball soaked in alcohol. Allow the alcohol to evaporate before attempting to light the pilot.
Also your should trace the Thermocouple wire back to where it enters the control valve. Try loosening the nut with your fingers. If it does loosen, finger tighten it and with the appropriately sized open wrench, tighten it only a 1/4 turn more.
If either of the trouble shooting suggestions don't solve your problem, the Thermocouple will have to be replace. You can buy one directly from Coleman online. Make sure you have your Model # & Serial # before ordering.
Hope this helps. Please let me know.
Pilot turns on but when I switch to turn it on,
When you light the pilot, are you holding it down for 30-60 seconds. When you release the pilot button, does the pilot flame stay lit? Or does it only go out when you turn the knob to on position. Make sure the pilot flame is heating the end of the thermocouple and that it's a strong blue flame, not a lazy yellow pilot flame. Make sure the tip of the thermocouple is not burn't off, which usually happens with lazy yellow pilot flames. Replace thermocouple is nothing else works.
Patio heater tip switch doesn't let gas through
it sounds like what you are describing is a bad pilot saftey device there is a device called a thermacouple when heated it creates a small electric current which lets main valve know its ok to open we have a pilot flame.the thermacouple normally screws onto gas valve it is 2 spade connectors it is a powerpyle system
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