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Loss of AC sensing on Kohler Generator 14RES - Kohler OnCue Generator Management System For 14RES/20RES Models

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SOURCE: Kohler 30RZ62 generator Parts

You are going to have to register with Kohler and use this site to get your part:

Posted on Oct 08, 2012


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Can I see a copy of order?

You need to request this from whomever you purchased the generator from.

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Can you see your controller or are you talking about on cue software.

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Check little 4amp breaker on top. If not you need new controller.

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First start up

Try disconencting the remote start wires between the transfer switch and the generator, if ot still does it you have a bad control board. If it stops, then check the transfer switch for correct wiring of utility and generator power wires, also check with an ohm meter if the run contacts in the transfer switch are closed, that would indicate loss of sensing, or bad board

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Kohler 14 RES won't start

You need a couple of things / options. The carb heater base, and an oil heater (srews in the drain hole, and possibly a battery blanket at that temp. Some OEM's offer an adhesive strip that you can also stick to the bottom of the alternator, that is also 120V and warms the generator windings to keep moisture out

Not sure what country you ar ein but in the USA/CA they will be a 120V accessory and as such need utility power at the generator

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No 12v output from aux terminals on a vfx 3648

Pretty sure it won't provide current to start anything. Just provides 12vdc at a low current to pull a relay in.
Manual say it is auto reset on the aux terminals for the generator start relay. 0.7 amps max.

If you still don't have the voltage there at the correct time (when called for), you unit is bad or has a fuse they don't mention in the manual. Remember!! This is a called for function so the voltage will not be there all the time, just when required as per the programming.

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Kohler generator drains battery while running and then shuts down with error code oc

The rpm sensing in the control module is missing or bad.
Answer these questions for more details:
  1. Does your generator output normal voltage?
  2. Is the starter turning after the Gen is running?
  3. Is the charging of the battery connected?

Jun 20, 2010 | Kohler Electrical Supplies

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