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Joe, Marine Mechanic
Category: Boat
Satisfied Customers: 7251
Experience:  ASE, electronics, Marine mechanical and electronics, pwc, wiring, all around repair tech,
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I have an Onan generator on my boat and it stops after 8 or

Customer Question

I have an Onan generator on my boat and it stops after 8 or so minutes with an error code 24 which according to my manual says it is because of a (potentially) faulty sensor.
Which sensor and can I fix it myself with a replacement part or do I need a technician?
Submitted: 1 year ago.
Category: Boat
Expert:  Joe replied 1 year ago.


Thank you for allowing me to assist you, my name is Joe and I will be happy to assist you with your concern today.

Usually the temp sender/sensor, you can check it out of the unit via resistance, when cold it will be high and the warmer it gets the lower the resistance, if on a gauge it measures correctly then you will want to check the wiring to/from it and back to the controller. Testing the switch is sometimes easier to replace since of it's low cost to replace.

Thank you!
- Joe

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