• 8kW - no start below -12 C

    This is a 2011 8kw model 0058700 serial # 5960674 natural gas. From new it never started below -10 C (Canadian). Original dealer played with it...

    34 460

    Started by Skipper

  • Generator won't start

    Model 5416 Ser# 4887891 Approximately 250 hours (didn't come with an hour meter) Regular oil/airfilter/plug maintenance Battery about 5 years old....

    3 86

    Started by DuaneS

  • Emergency! educate me

    overspeed error On manual start it tried to blow itself up...revving 6000 I would guess and backfiring out carb. I do not know what happened. I...

    7 195

    Started by grey

  • Error Code 1603

    11KW Model G0064383 Ser 3000171105 Running Nat Gas I’m on Northern Ohio Red light was on after weekly test. Unit had low rpm code 1603 and a...

    10 203

    Started by 3Phase

  • What to do with a broken 20kW Synergy

    Hi all. And thanks in advance. I was given a broken 20kW Synergy. It is only about 18 months old and has only 10 hours on it. The engine is great...

    25 475

    Started by jeffz

  • Oil leak

    So here’s the scenario. A guy from the company I work for performed general maintenance on a 14kw Generac about 3 weeks ago. He changed the oil,...

    14 316

    Started by Apwel3209

  • Flashing Over Speed LED

    From the label on the generator: Item # 0043903 Serial 4076560 This is a 15/13kw generator fed with natural gas, installed by me in 2006. Last...

    28 268

    Started by Goofy4TheWorld

  • 8kW 101 hrs burning oil 0h7544 407.00cc

    Hello , I just noticed my 14 year old Stand by was low on oil ( never was low ) . Topped off and ran manually when warming up heavy oil smoke is...

    17 301

    Started by tonythefish

  • Sub-zero temps and starting question

    I have a son who lives in Minneapolis. He just texted that it is -28 degrees. It got me thinking about the effects of sub zero temperatures on air...

    29 583

    Started by ericg

  • 2014 11kW Generac 0064370

    Intermittently faulting out and rebooting controller. Error 1505.service providers have changed .main bd. Starter and starter solenoid, mags, and i...

    7 135

    Started by Toot

  • Correct valve spring compressor tool?

    Can you guys please point me to the proper type of valve spring compressor tool to use on my 11kw 530cc? I want to replace the #2 cylinder intake...

    8 171

    Started by alphaa211

  • Generac Corepower low AC current

    Model 0058370 s/n 6731963 starts normal and runs after loss of utility power. However only produces 45 to 65 volts AC at generator circuit breaker on...

    2 101

    Started by George

  • RPM Sense Loss 8kW

    I checked my 8KW and there is a RPM Sense Loss error. I replaced the battery 2 months ago and took it last night to be tested under load and it...

    4 146

    Started by chris flannagan

  • More problems with error code 2800

    About a month ago I posted about my model 7043 22KW throwing 2800 codes. I have isolated it down to the fact that the code only appears after the...

    3 121

    Started by glock19

  • 10kW slow starts and rusty spark plugs

    My generator developed slow start problem. It cranks Ok, but then instead of starting immediately it gathers speed gradually and very slowly (5-7 sec...

    18 320

    Started by NorthGuy

  • Can you identify this 990 engine part?

    I had a bent pushrod (992) and a stuck tappet. I split the case and found this little piece laying inside. It may or may not be related to the bent...

    10 240

    Started by podus

  • Air-cooled starter fitment

    Over the past year, I have had problems replacing air-cooled starter motors, part #0E9323. The aluminum housing on the new ones have very slight...

    13 286

    Started by Blink

  • Weak starts/cranking

    Recently I have ran into quite a few older nexus units (20kw) that exhibit a very weak crank, even with a brand new battery. I checked the battery...

    18 103

    Started by Blink

  • Voltage regulator issue on Gen 1 generators

    Generator stops with a red light alarm on Over Speed. VR light is not lite when the engine runs. Engine only runs for about 30 seconds, then...

    2 69

    Started by woodspliter

  • Where to to rotate the engine?

    Hi guys, I have a 6 month old 70431 22kw guardian. When it comes time to check the valve lash, where and how do I spin the engine to get each...

    6 146

    Started by Ron Goldstein

  • 8kW intermittent surging

    Model: 0055181 Install Date: 2009-11-12 This unit has been having intermittent surging problems, noted by owner during the weekly unloaded...

    4 158

    Started by Mattyman

  • Ecogen 5818 6kW overcrank error / choke

    Hi, I am in the middle of my third winter with an ecogen 6kw generator with about 750 hours of run time on it. The unit has worked very well in both...

    5 126

    Started by Rpvietzke

  • Generac 20kW running rough

    My 20kw Generac 3600 RPM generator is running over and under speed by approximately 80 RPMs. Fluctuates continuously on RPMs. It is producing between...

    16 419

    Started by Offgridder

  • Starting problem persists, a year later

    I know I am supposed to give you the model number and serial, but frankly, it's too darned cold to go out and get it. But I will if needed. I have...

    37 432

    Started by Steve H

  • Generac 11kW generator - E2 not energized

    Greetings, Just powered up my new 11kw generator and activated the unit. Have no wires connected to it at this point (they are there, but I am...

    13 274

    Started by mikebaglini