Is it powered by LP alone or can you use 110 to power it?
If so, try switching power sources.
Next, if it is only LP powered, is your LP tank full?
If the tank is not empty, can you run other LP appliances normally? Stove, coach heater etc.
Maybe shut LP off, turn on stove and allow line to empty. Turn off all LP appliances, wait approx 5-10 min, turn LP back on, allow line to pressurize, 3-5 min and try again!
This is what I typically do if I have an issue with LP appliances.
Hope it helps
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