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Kevinschmidt
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Join Date: Dec 2018
Posts: 2

RS1200

01/17/2019 3:06 PM

HAVE A RS1200 ONAN

RUNS 10 SECONDS SHUT DOWN, MONITOR GOVERNOR CONTROL WORKS FINE .

OIL PRESSURE SENSOR WORKS FINE

ALL CONNECTIONS ARE TIGHT

LOOKS AS IF PCB HAS A ISSUE
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Rixter
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#1

Re: RS1200

01/17/2019 3:42 PM

Maybe a blocked fuel line.
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old salt
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Safety - Hazmat - New Member Engineering Fields - Retired Engineers / Mentors - New Member Engineering Fields - Piping Design Engineering - New Member Hobbies - DIY Welding - New Member Fans of Old Computers - PDP 11 - New Member

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#5
In reply to #1

Re: RS1200

01/20/2019 11:38 AM

How long between starting attempts? If the fuel line has a fuel filter in it a difference in the time, shorter-->less clogged, would suggest a potentially partially or almost completely clogged fuel filter. If the effect between the two times is equal that would suggest that it is something besides the fuel filter.

This comparison would be greater with gravity fed lines compared to fuel pump fed.

Good Luck, Old Salt

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PWSlack
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#7
In reply to #1

Re: RS1200

01/24/2019 9:48 AM

So, in the absence of certainty, it is maybe something else instead.

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SolarEagle
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#2

Re: RS1200

01/17/2019 5:09 PM

https://www.justanswer.com/small-engine/7ttqq-onan-rs1200-gen-set-12grca-will-start-not.html

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lyn
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Join Date: Oct 2008
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#3

Re: RS1200

01/17/2019 5:47 PM

Generator runs for a few seconds then stops | Forum

Onan Starts but Stops after 3-5 Seconds - SmokStak
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genmaster
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Join Date: Jan 2019
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#4

Re: RS1200

01/18/2019 2:24 PM

What type of fuel? If NG or LP, could be supply or demand regulator. Need to check fuel pressure while starting/running...
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PWSlack
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#6

Re: RS1200

01/22/2019 10:45 AM

It sounds like a service visit by the manufacturer’s service team is overdue.

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genmaster (1); lyn (1); old salt (1); PWSlack (2); Rixter (1); SolarEagle (1)

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