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Rudyp's avatar
Rudyp
Explorer
Jun 13, 2014

5000 Onan Gen (Diesel) mod: 5.5HDKBA359OC Series C

Hope someone is able to help me out. I am getting a code 45 on my above described generator. Can you tell me what this code means. And if you know the problem will I be able to correct it myself? If...
ronfisherman's avatar
ronfisherman
Moderator
Jun 13, 2014
From the owners manual:
SPEED SENSE FAULT—CODE NO. 45
(Controller unable to sense quadrature frequency)
Corrective Action: Check the fuel level and fill as necessary. Then prime the engine fuel system by
holding the control switch at Stop for one minute and try restarting.

Looks like you may have a fuel supply problem. Have you changed the fuel filter.

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