Lance onboard Onan running issues
Has anyone had issues operating a stock Onan during damp/rainy conditions? Last weekend it was pouring and 90 degrees so we fired up the genny and ran the AC. After a few hours it stopped running.....
Forum Discussion
It might have something to do with water in the propane tank getting into the regulator and freezing or generally causing havoc. When I have this (IMHO) issue with the Onan upon quickly checking the regulator, it indicates an out of propane condition (red) even thought there is half a tank. See this article for more info.
Why a regulator freezes up
Partial extract:
"If all LP-gas regulators have to do is reduce a high pressure to a lower pressure, why do they freeze up? The short answer is “water”, but, as you know, nothing is ever quite that simple.
To keep your customer warm and happy, day after day, year after year, your regulator has to do some pretty tricky things. It’s got to baby the pilot light, rise to the occasion every time the furnace kicks on and shut off completely when it’s supposed to..."
Why a regulator freezes up
Partial extract:
"If all LP-gas regulators have to do is reduce a high pressure to a lower pressure, why do they freeze up? The short answer is “water”, but, as you know, nothing is ever quite that simple.
To keep your customer warm and happy, day after day, year after year, your regulator has to do some pretty tricky things. It’s got to baby the pilot light, rise to the occasion every time the furnace kicks on and shut off completely when it’s supposed to..."
