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cbdeajr · 04-26-2015, 02:16 PM

We have a Norcold N621 2 door. It works find on A/C but will not work properly on LP. I checked the gas pressure, clean the burner & checked to be sure it was coming on. All that is ok. Any suggestion?

MattC · 04-26-2015, 04:24 PM

Then you didn't get the burner clean.
Did you look through the gas orifice to check it. That is an extremely small hole and you may not be able to clean it with anything that normal humans have available.

Matt

cbdeajr · 04-26-2015, 06:42 PM

I did check it. Took cover off to be sure it was clean, getting a good flame.

cbdeajr · 04-27-2015, 08:40 AM

Check LP gas line and orifice. Did have a small amount of corrosion. Blow it out with air hose and reinstalled. Flame much higher so Matt I think you where correct. Must not have been getting a much LP gas as it needed to work.

MattC · 04-29-2015, 02:06 PM

You did check the flame and it is good. If it works on AC, but not gas then there is one more possibility, but it is only likely if the unit has bunches of hours on it.
In the chimney there is a spiral (helix) of metal called a turbulator. It is there to slow down the rising heat. These actually burn away with age, but it usually take a lot of age. You will see this if you look at the top of the chimney, It will be a lift out. It just set into a pair of slots.

Matt