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Generac 13,000 Watt / 13,000 Watt Home Standby Generator Questions & Answers
Generac 43903 standby Generator overspeed indicator on starting
I have a generator that did the same thing. It would start and then stop within a few seconds. The more expensive generators have an oil level safety switch to prevent the engine from burning up. There is usually a wire connecting to the switch on the outside of the engine near the oil fill hole. Remove this wire and try to start the generator. If it runs without a problem then it is the switch. You need to remove the switch and take it apart carefully and clean it. There is a small float inside the assembly. When the oil runs low the float allows the switch to short to ground which kills the spark to the spark plug. Hope that helps.
Bob Janelli I’m happy to help further over the phone at
https://www.6ya.com/expert/bob_62dfa2f81bb55288
I have an older 30KW
need to calibrate the main control board. 83089. also is it overspeed or overcrank? if the board does not see the right rpm or is blow a certain threshold it will think it has not started yet and shut down on overcrank.
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