Troubleshooting generators i changed my generator over from gas to lp the circuit board is still set up on gas is their a difference in the boards gas or lp

No. Compression isn't high enough for diesel, and 50 other reasons

I would suspect the control board for the generator is defective.

do you think that you might have installed the power source for the gas shut off solinoid incorrectly ???

Is the coach already equipped with a generator and you are changing over to LP? If this is the case, usually you can contact the generator mfg to find a direct replacement for the old generator. You will need to cap the supply gas line for the old generator. You will then need to install an LP supply line. This should be done by a certified technician who knows where to secure the line and what size regulator to install. Ensure the generator is properly mounted, exhaust properly installed and routed to prevent carbon monoxide from entering the coach, power load lines are properly connected to the transfer switch (if equipped) and the control harness is properly installed.

Check rotor skip rings for cleanliness, rotor brushes. Stator resistance, rotor resistance. If ok then change control board

According to the manual the following is the most likely items to cause that failure. But since it is only in the frigerator section and not the freezer section it could be the lower circuit board.

LP Gas

Orifice

Flue Baffle

Flue Tube

Burner

Lower Circuit Board

sounds like problem with c board still a problem

the jets in the regulator need to be changed to LP some propane companies sell these and will install them for you hope this helps

Typically caused by the fuel line (LP or Natural Gas) having a lot of air in it. Was your generator just installed, or was there any work done to the gas line of the building / generator? Consult local gas contractor / propane dealer / gas company for assistance in purging the fuel line.

A low battery can also cause this as well as the generator is not able to come up to starting speed quick enough. Try placing a stand alone battery charger on the generator and charge the battery. Also check the air filter as well.

OverCrank condition occurs when generator tries to start itself, or be manually started, and the starter spends too much time turning.

This can also indicate failure of the control board. This will need the expertise of generac technician. Call 1-888-GENERAC (1-888-436-3722)
M-F 7am-6pm Central

Your gas pressure is too low and you may not have a large enough supply pipe. You need at least 10 inches of water column with the engine running to operate an LP vapor fueled engine. Because the engine is starving for fuel, its governor opens the throttle to WOT (so it goes to high revs) but there isn't any fuel to make horsepower with so the output voltage falls and the undervoltage alarm trips.

Carl