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Generac 01815 standby generator firing the starter every 20 seconds although the motor is already running.

Update: I pulled the solenoid signal wire after the generator started to prevent the starter from running again. Generator ran for a couple of minutes before shutting down and throwing the "Engine fail to start" code. Update 2: I pulled the panel to expose the CMA board. I'm getting just under 3VAC at the CMA connector when the generator is running. It drops off to 0V when the generator stops.

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

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Posted on Jan 02, 2017

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John McKinney

  • 42 Answers

SOURCE: wiring diagram for Generac engine on standby generator

here is a wiring diagram for that engine:

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Posted on Mar 13, 2009

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mamicheddy

mamicheddy

  • 79 Answers

SOURCE: No voltage output

It is possible that your voltage regulator is shot but before purchasing the volt regulator try flashing the fields first and make sure the brushes and rings are clean.

Posted on May 12, 2009

Anonymous

  • 52 Answers

SOURCE: Have to attach a red cable to a terminal on the

Some gensets have a reverse generator that actualy rotates the motor until running then switches back and produces power. But the starter could be in the front of the engine looking like a altrnator or some such device. good luck..

Posted on Aug 30, 2009

Bob Janelli

  • 26 Answers

SOURCE: Generac 43903 standby Generator overspeed indicator on starting

I have a generator that did the same thing. It would start and then stop within a few seconds. The more expensive generators have an oil level safety switch to prevent the engine from burning up. There is usually a wire connecting to the switch on the outside of the engine near the oil fill hole. Remove this wire and try to start the generator. If it runs without a problem then it is the switch. You need to remove the switch and take it apart carefully and clean it. There is a small float inside the assembly. When the oil runs low the float allows the switch to short to ground which kills the spark to the spark plug. Hope that helps.

Bob Janelli

I’m happy to help further over the phone at https://www.6ya.com/expert/bob_62dfa2f81bb55288

Posted on Oct 01, 2009

Testimonial: "This is good information in the event that the low oil switch is part of the problem."

Anonymous

  • 25 Answers

SOURCE: generac home generator does not start

is this unit diesel or gas? If its gas driven, the carburetor needs to be removed and cleaned out. Also make sure your gas is fresh. If not drain fuel tank, remove carb, clean out, re-assemble & test. Check fuel filter, oil level.

Posted on Feb 11, 2010

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