What should I do if my Onan generator is not running?
What should I do if my Onan generator is not running? As soon as the Onan power generator is up and running, use the multimeter to check the AC output voltages. If there is no AC, proceed to check the field flash voltage through the field flash pin of the board. In the case field flash voltage is not present, the control board may be defective. Why does the oil pressure switch on Onan generator stick open? The oil pressure switch of Onan generator often sticks open in case the unit has not seen any use for an extended period...