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Why my generator shuts down and posts a message cc-1 crank cycle

Kohler 6.5 diesel marine generator

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2 Answers

Carl Rock

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I couldn't find that error message in Kohler docs. What transfer switch manufacturer?

My guess is its a false overcrank. The unit starts/runs but shuts down within a few seconds?

Posted on Jan 11, 2020

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sherlywang

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Maybe the start motor is damaged. You can check it first.

Power generation: www.dieselgeneratortech.com

Posted on Jan 11, 2020

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CarlGehrke

Carl Gehrke

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SOURCE: kohler 12kw generator starts but shuts down after 3sec

Your gas pressure is too low and you may not have a large enough supply pipe. You need at least 10 inches of water column with the engine running to operate an LP vapor fueled engine. Because the engine is starving for fuel, its governor opens the throttle to WOT (so it goes to high revs) but there isn't any fuel to make horsepower with so the output voltage falls and the undervoltage alarm trips.

Carl

Posted on Dec 03, 2008

arealplumber

Better Plumbing

  • 33 Answers

SOURCE: Schematic

I looked for several minutes and this is what I found:

Kohler 13EOZD wiring diagram

I went to the Kohler site, entered the number and it cross referenced to the above number. The wiring diagram is on page 90.

Hope this helps!

Posted on Dec 05, 2008

mamicheddy

mamicheddy

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SOURCE: Hello, I have a Kohler Marine Generator that says OC on the menu when I try to start it. Any ideas?

OC stands for Over Crank. How long does it take before the genset starts?

Posted on May 07, 2009

Anonymous

  • 1 Answer

SOURCE: Kohler confidant 4 generator will not run.

i got the same gen and with the same problem
mike

Posted on May 06, 2010

Sheldon Dedek

  • 909 Answers

SOURCE: 1975, 7.5 Kohler marine genset, runs only with the reset depresed

Can't search for a manual without model, type, serial, etc numbers...

A few things to take a look at:

1) Oil level / pressure sending unit. This is normally bypassed as long as the start switch is pressed. When engine starts, and switch is released, engine will die if sending unit is defective, or you are low on oil.

2) Exhaust temperature sensors. Older units were notorious for burning these up.

3) Cooling Water Temperature sensor. These cause trouble often, but mostly due to water pump impeller being eaten away by galvanic action and not able to pump water as effecively. End result is water temp higher than normal, which trips the switch, which kills the engine.

4) Alternator (generator) output not as it should. If output doesn't rise to proper level within a few seconds of engine start, the engine will be shut down.

5) Choke not working as it should

6) Bad fuel, bad fuel pump, clogged fuel filter.

Posted on Jun 12, 2010

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I have a kohler 23eozd marine gen set thatwowouldn't crank. There's voltage 12.8vlts coming all the way to the sttarter but still wouldn't crank.


on the starter of the engine there are two teminals that should have 12volts to them while its cranking (or trying to) one has a 3/8 bolt stud and has a large wire/cable that should go to either the battery disconnect or direct to battery , the other one is 1/8" size and has a smaller wire to it , this is the trigger wire , it triggers the starter to operate , your going to need to look at those voltages when its trying to operate

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I have a kohler 5E marine generator It will blow the input fuse when cranking. If the voltage regulator is disconnected it will start but only run if the start switch is pressed. Any Ideas?


I have the same genset. Just fixed a similar prob with it. Mine would intermittently blow fuses at first then started blowing them as soon as trying to start. I also saw a puff of smoke from reg when it did run at one point. Carefully check stator wires for shorts to ground. Make sure to lift the stator wires that are grounded in control box. If no grounds replace control board and reg board. $400+. Cross your fingers and try it. Mine worked, thank God. The pc boards are marginally designed and built. The relays, diodes and other componants are way too undersized for the application and can not survive a lot of cycling
on and off. When starting genset make sure to slowly apply loads to it. Same thing when shutting it down. Dont shut it down with any load. It wont take it
Good luck

Feb 15, 2011 | Electrical Supplies

1 Answer

1975, 7.5 Kohler marine genset, runs only with the reset depresed


Can't search for a manual without model, type, serial, etc numbers...

A few things to take a look at:

1) Oil level / pressure sending unit. This is normally bypassed as long as the start switch is pressed. When engine starts, and switch is released, engine will die if sending unit is defective, or you are low on oil.

2) Exhaust temperature sensors. Older units were notorious for burning these up.

3) Cooling Water Temperature sensor. These cause trouble often, but mostly due to water pump impeller being eaten away by galvanic action and not able to pump water as effecively. End result is water temp higher than normal, which trips the switch, which kills the engine.

4) Alternator (generator) output not as it should. If output doesn't rise to proper level within a few seconds of engine start, the engine will be shut down.

5) Choke not working as it should

6) Bad fuel, bad fuel pump, clogged fuel filter.

May 26, 2010 | Kohler Electrical Supplies

1 Answer

Hello, I have a Kohler Marine Generator that says OC on the menu when I try to start it. Any ideas?


OC stands for Over Crank. How long does it take before the genset starts?

Apr 20, 2009 | Electrical Supplies

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