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Post Info TOPIC: Gas burner start up problem.


Senior Member

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Date:
Gas burner start up problem.


One of the gas burners in the caravan will light but not stay on. I push the knob in and turn it to the left and it ignites as it is supposed to but it will not stay on. I do leave the knob pushed in for the appropriate amount of time to ensure it stays engaged.

When I release the knob the gas goes off. I have tried leaving the knob pushed in for a longer period but it still turns the gas off when released.

Has anyone any suggestions on how to fix this problem?



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Cheers

Col

(Picture of my beloved Molly (2003 - 2016) who loved the travels as much as I do. RIP old girl. Gone but never forgotten).

 



Guru

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Posts: 8493
Date:

Could be carbon build up or food spilled on burner. You don't say wether it is a new caravan or a very old one. But your burner/s appear to need cleaning www.thespruce.com/cleaning-gas-burners-1900625 video www.youtube.com/watch

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Possum; AKA:- Ali El-Aziz Mohamed Gundawiathan

Sent from my imperial66 typewriter using carrier pigeon, message sticks and smoke signals.



Guru

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Your Gas burner may be fitted with a Flame Failure Device which is faulty, ie if the flame goes out in normal operation this device will switch off the gas, or could be a problem with the switch mechanism. If either I suggest its a Gas fitters job.

en.wikipedia.org/wiki/Flame_supervision_device

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Guru

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Check to see that all the Gas jets around the Gas Burner are actually lit.  If the flame/Jet by the  Thermocouple (Flame Detector) is not lit or very weak, Or if the thermoouple  is bent !.  Flame dose not touch, or get detected by the Themocouple and shuts the gas off when the knob is released.   

Try using a GAS MATCH LIGHTER when you Switch the burner knob on.

1 Light the Gas Match Lighter and direct the flame on the thermocouple heating it.   (the little thing sticking up along side the burner usually at the back)

2 Push the gas burner knob in and the gas ring will light up tun to the top setting.  Keep the Gas Match Lighter lit heating the Themocouple.

 3 Keeping the Gas lighter on the themocouple  release the gas ring knob. 

If the gas ring remains lit while you have the lighter on the thermocouple then goes out when you remove the Gas Lighter, there will be something wrong with the  flame  "from that gas port onto the thermocouple". It may be blocked.

Or the Themocouple may be bent  and out of the gas flame.



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Mike & Ellie



Senior Member

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I had a similar problem. a wire underneath was off, spade connector, cost me $50 to get a gas fitter to find and reconnect, m cutlery draw is under the stove and knocked the wire off



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Senior Member

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Thanks for the replies so far. Possum3 it is a Regal Van built in 2008. Will look at the suggestions so far.

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Cheers

Col

(Picture of my beloved Molly (2003 - 2016) who loved the travels as much as I do. RIP old girl. Gone but never forgotten).

 



Veteran Member

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Posts: 36
Date:

Hi Colin,

The problem with your cooker not lighting up and staying lit when the gas is on and the ignition is sparking

is the thermocouple is faulty and needs replacing you can buy them off eBay or through Dometic

If you are a handy person it is something you can do yourself as you need to take the cooker out and dis assemble it

to get  thermocouple out

they are different lengths and styles

the thermocouple connects to the back of the ignition knob and runs to the side off the gas jet

What type \ make off cook top is it ??

Cheers  Ken

 



-- Edited by Bukhouse on Monday 11th of March 2019 10:32:16 PM

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Guru

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Hi cjt55,

Might be a long shot, but there is a screw behind the knob to adjust the flame. If yours lights as you say, is the flame very low? Pull the knob off and use a small phillips screwdriver in the hole to adjust.

We had a new van and all the burners were set very high, when you want to simmer something on low, it was too fierce, so I lit the flame and removed the knob and adjusted the flame down to the right height.

A trick a Plumber showed me.

Cheers Bob

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Make it Snappy......Bob

 



Guru

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Date:

As ken said replace the thermocouple

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Sta



Senior Member

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Posts: 301
Date:

Hi Ken, sorry for the late reply as I have been away. I have a CAMEC SMEV Model 402 Hotplate and grill.

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Cheers

Col

(Picture of my beloved Molly (2003 - 2016) who loved the travels as much as I do. RIP old girl. Gone but never forgotten).

 



Veteran Member

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Posts: 28
Date:

Hi cjt55,

I have attached manual off your cooker

if you are handy and you want to fix your self I can run you through the steps if you like

the thermo couple can be brought from Dometic 

 tn-2221489?AWSAccessKeyId=1XXJBWHKN0QBQS  the thermos couple on your cooker is the type on the left

they come in different lengths 220mm 300mm and 500mm and the cost is about $68



-- Edited by Bukhouse on Thursday 21st of March 2019 11:37:41 PM



-- Edited by Bukhouse on Thursday 21st of March 2019 11:45:07 PM

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