Question about Coleman 5040-751 BackHome Open Flame Patio Heater

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Why it doesn't stay lit

Pilot lite won't stay lit. It lites up fine with a match but when you release knob to turn to flame it goes out

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  • 106 Answers

Replace the gas valve or thermocoupler.

Posted on Oct 17, 2013

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6ya6ya
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Posted on Jan 02, 2017

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Buffalo12980
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SOURCE: wont stay lit

go to this site www dot desatech dot com. Here you'll find parts to repair your heater. a propane heater uses a millivolt generator to sense the flame. along it's cappilary are two push on spde connectors. these connect to the high limit temperature sensor which is mounted on the flame backplate of your heater. to see if it is the high limit shutting down your heater, jumper across the two spade connectors. if the heater stays on, this is your problem. if the flame still goes out, then the millivolt generator is shot.

Posted on Nov 10, 2007

  • 8 Answers

SOURCE: Patio Heater pilot lights won't stay lit

crappy pilot flame (not properly heating the thermocouple), bad thermocouple, thermocouple loose where it screws into the pilot safety valve, bad safety valve magnet.

One or more of those is the problem.

Oh...there is also a saftey switch...in case it tips over. It will also cause the pilot to not stay lit (if the switch or wires that go to i are faulty)

Posted on Jun 18, 2008

  • 2 Answers

SOURCE: I have a coleman evcon and the gas keeps shutting off

The click noise you hear is the magnet inside the valve dropping out. Which means, the voltage that energizes it is low or interupted. Possible, weak pilot flame, bad thermocouple or bad secondary limit switch. This limit switch is located left of the main control. made of ceramic. It can also be a bad gas valve...

Posted on Mar 27, 2009

johnsonr1
  • 91 Answers

SOURCE: The pilot light will not stay lit to light the heater.

The power pile (pilot generator) is defective. It produces a milivolt signal to ensure to keep the gas valve open. If it goes bad, the valve thinks the pilot is out, even when you are holding the button down, so when you release the button, it shuts the gas off to prevent excess gas buildup and a possible explosion.

Posted on Sep 12, 2009

atocrxr
  • 135 Answers

SOURCE: my coleman patio heater pilot lights but when I

Check the tip over senser,,, it is a plastic senser located under the screen, usually near the knob. It has 2 wires running to it, jumper them together and try it,, then order a new senser from the manufature.
Good Luck

Posted on Apr 04, 2010

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