Frigerator wont run on propane

footslogger wrote:
Check and see if you have strong blue flame at the burner. You will have to remove a metal wind shroud to see the burner. Sometimes rust particles will fall from the flue and land on the burner, restricting the flame.
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Yes, clean the burner and chimney.

I had a pile of soot fall off the chimney and land on the burner blocking the flame.

Also, intermittent propane problems (running for 5 min then cutting out) could indicate a bad regulator at the tanks. My furnace would run briefly then cut-out; a new regulator fixed it. But the furnace uses a lot more propane than the frig, so maybe not ...