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Generac generator 22kw fault code 1603 , what is it and causes

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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William Fouts

  • 17 Answers

SOURCE: Can't find manual for generac mega force generator

plain 30 wt is fine.

Posted on Jun 28, 2009

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RSG000

  • 26 Answers

SOURCE: Attempted to start Generac Guardian 15 kw air

I work on these every day. Its either gonna be the rotor or stater, the voltage regulator, but most likely its a bad stepper motor which is the throttle motor, or control board. Thats all that could be causing that so its one of those. If its the rotor or stater thats bad it causes the generator to RPM up because it thinks its not producing enough power due to that. I had the same problem with the same one we just fixed and it was the slip rings on the end of the rotor so bad rotor.

Posted on Jul 09, 2009

ProudDad22

  • 1 Answer

SOURCE: Generac Guardian 15 kw overspeed fault

Did you remember to set the overspeed shutdown threshold on the control board?

Posted on Jun 07, 2010

kel1guy2002

Kelly

  • 3740 Answers

SOURCE: generac generator on auto runs

Hi and welcome to FixYa I am Kelly. Your red LED is telling you that it was 1. overloaded. 2. has low voltage 3. overheated or 4. short in the powered circuit.

OVERLOAD LED (red): Lights up if the generator experiences
a load greater than the rated output, low voltage, overheats or
the powered circuit experiences a short. The output is stopped
even though the engine keeps running.

I do not know which of the 4 conditions caused your red light. If you have the read light with no load I would suspect low voltage from the generator / inverter. If it overheated you will also get the Red LED with no load.

Thanks for choosing FixYa.

Kelly

Posted on Aug 30, 2010

marc_uhrey

Marc Uhrey

  • 72 Answers

SOURCE: My generac 16kw generator has water in the air

Water may be forming due to condensation. If you are using cheap gasoline, it also may have water in it.

Chances are pretty low that it's causing damage, unless it's a lot of water. If it's a few drops, it's probably not a cause for concern, unless the generator is running poorly.

You may try a higher grade of gas to see if it improves the situation.

Good luck!

Posted on Jul 13, 2011

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I need a rectifier or avr for generac 3500 xl genarator


Ebay and various places including the maker..

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    Generac fault code 1600


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    I purchased a generac 22 kw 3 phase 120/240 volt generator. I was surprised to find that it had a wild leg. Can i change the leads on the stator output to eliminate the high leg and get straight 120/208...


    This unit is wired 120-240V 3 phase Delta. if you are using on it 120/208V 3 phase application it will need to be re-tapped. If you are using it in a home 120-240V single phase it will need re-tapping, Do NOT just use 2 legs, as this will cause rotor imbalance and wear out the rotor bearings, and odd ball currents to flow. If there are 12 leads coming off the stator it can be reconnected. If not you are stuck with it, except by using a transformer

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    Generac Guardian 12 KW Model 04456-2 shuts down on overspeed in cold weather


    Leigh,
    See my 5/22/12 comments on my "overspeed fault" problem resolution [Generac 43903 standby Generator overspeed indicator on starting] . If it only runs for a few seconds and then quits, you may have a similar condition to the one my unit had. A good technician should be able to diagnose the problem and determine if you have a similar failure to the one I had, or one of the other causes suggested by RSG000.

    Jan 20, 2012 | Generac 13,000 Watt / 13,000 Watt Home...

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    I have a generac 22kw model QT02224anan that will run for a few minutes then shut down , then the over speed led is lit. It only happens when it is under load or during a power outage. it goes through...


    its possible the overspeed is set to sensitive. or your rpm are to high. these are preset in the factory as a safety, check your manual to ensure your rpm speed is in the pre set area. generators will do this under load when you have a big load on them or take a load off. the governor will some times over compensate causing it to trip on overspeed.

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    Generac Guardian 15 kw overspeed fault


    Did you remember to set the overspeed shutdown threshold on the control board?

    Apr 03, 2009 | Generac 13,000 Watt / 13,000 Watt Home...

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