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Old 08-18-2015, 09:12 AM   #1
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Join Date: Jun 2014
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Exclamation Onan RC7 GS

My 100000 watt genset switch is blinking 3times telling me it needs to be serviced. The inside remote tells me starter cool down
The generator will run automatically and shutdown in approx 5 minutes and show this display and after a few minutes it will repeat the same cycle ...

Anyone out there have this issue and how to remind you it

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Old 08-18-2015, 10:18 AM   #2
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sounds similar

first question is the starter disengaging? you may have to open the service door to hear if it stops cranking . my 7500 w did that this spring it was a controller board inside the inverter on the generator i had mine repaired by test point ( google them ) great service from them i called cummins they wanted to change the entire inverter for 3500.00 bucks cost me less than 500 but i did all the work myself Mike

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Old 08-18-2015, 02:31 PM   #3
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Have you checked how the RC7 GS is programmed. It may be cycling due to battery voltage not being set right.

Go through the setup procedure and check the settings.

Here is a link to the manual, check to make sure it is yours.

Jim J
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2005 Jeep Grand Cherokee w/5.7 Hemi
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