Re: Onan Generator problem at Norwalk
The 7500 diesel is an inverter. The governor is a stepper type motor with 2 wires going to it. It mounts directly on the injection pump cover and controls the fuel rack. Nothing much has ever gone wrong with one of those control motors other than the wire end could have broken from vibration.
Inverter style units are complex....the Inverter section houses the control unit as well as all the electronics of the inverter. Nothing serviceable there. 2 weatherpack style connectors and the input power from the generator's stator.....
The inverters often throw erroneous fault codes....
You check the basics....battery connections...voltage...wire connections if you can get inside it.....beyond that it needs to be repaired by a Cummins-Onan shop....Access to the insides in many MH's is not possible without removing it.
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Rich Biebel
S/C 1479
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