Motorhome Magazine Open Roads Forum: Tech Issues: Onan 5500 hard starting??


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smithrock

Long Beach, CA.

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Joined: 01/07/2005

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Posted: 09/20/08 05:33pm

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Lately I've had trouble getting my generator started and running. I prime it but it will only start and run for a few seconds. If I continously hold down the start button, it will start and stay running. It does flash a code, 1 flash followed by 4 quick flashes if I'm reading it correctly.
Any ideas what to look for or fix? I've got about 385hrs. on it

ozhoo

Anza Borrego Desert

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Posted: 09/20/08 05:48pm

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Here's a fault code 14 - overfrequency thread that should get you started.

O

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gunny357

North Carolina

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Posted: 09/21/08 04:08am

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You can start by posting the whole modl/spec/serial number so we'll know exacty what you have.

Is it fuel injected or carbureted?

Check your manual and be sure you are reading the fault code correctly.

retired4fun2002

Bracey,VA,USA

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Posted: 09/21/08 11:47am

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You don't mention how often you exercise the genny, so I have to think it might be carboned up or dirt in it. I would get a can of Sea Foam Gas Treatment (WalMart now carries at $5.66) or Advance Auto, CarQuest. I would add a can top my tank and let it mix up. Then I would try again to start. Let us know what the codes turn up and when you have it running again.

smithrock

Long Beach, CA.

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Posted: 09/21/08 03:48pm

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I'll try that and keep ya posted. It's carbed, I run it monthly. it's just hard starting, once it's running everything is fine. sometimes I get a code of 3 flashes, which means "service" What type of service?

Model# 5.5HGJAB-901D
Spec: D

* This post was last edited 09/22/08 04:45pm by smithrock * View edit history