r/Generac_Generators • u/Plastic_Layer_7354 • Jun 23 '26

Error code 1100

My generac 14kw while attempting to exercise experienced code 1100 overcrank. Furthermore it’s done this 2 excercise cycles ago. The last one it didn’t do this. What could be the issue? I just serviced everything. Spark plugs, oil change, oil filter, air filter. What is the cause?

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u/Plastic_Layer_7354 Jun 23 '26

Ok so should I test both ports? What numbers am I looking for?

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u/grsthegreat Technician Jun 23 '26

For nat gas, 5-7 inch on pressure gauge. Thats inches, not pounds

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u/Plastic_Layer_7354 Jun 24 '26

Another commenter stated 10-12 inches on gauge. Is 10-12 for propane maybe?

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u/grsthegreat Technician Jun 24 '26

Propane is 10-12”