20 Most Recent Kohler 17 kW Emergency Power System - 17RES-L - Page 7 Questions & Answers

wow intermittants are tough to find , the only way ive ever been sucessfull at it is to temp bypass each sensor (lie to controller) to see if it continues to run ,I do not recomend leaving any thing bypassed and not physicaly monitoring it , this temp bypassing is for only the most experienced techs that know normal state of sensors and can simultate them with off machine items

depends on your climate if genset runs in colder weather run the 14 if not then it's the 12

if unit is over 8 years old it has a mechanicial timer for the Cool down run time (after power comes on) these go bad from believe it not "Rust" the timer will need to be replaced with a new model , that most likely will be an electronic timer replacement , now if unit is less than 8 years old . and this is a new install then verify that ,Sense connection on terminal strip on ckt board is connected to land power

Check output voltage. Aux fault.

Make sure you have rated speed and voltage on the out put side.

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Check the oil level and oil pressure sensor switch.

change the oil to the correct specification first. As the engine runs the heat changes the viscosity and overheats or trips the oil alert switch. If its over 10 years old change the oil alet magnetic switch

if a lightning strike was anyplace close (30 yds) it's a safe bet your gonna have to replace the control board in generator also Id have a qualifyed tech ck out your auto transfer switch ,I bet he''ll find that you fried your coils on your switch too , do that before changing control board cus if ya hook up a new one to a bad coil ya just bought two of them

Under voltage would be low output voltage from the generator power head. Verify that the motor is funning at full speed to check the output voltage. Low battery is telling you that the starting battery has low voltage. This could be because the battery is bad or that the alternator is not charging the battery

Hi Jesse, I didn't have a model / serial number to try, but I suspect the date you're looking for is coded in one or both of those numbers. Have a look here & plug the requested info in to see if it returns the info you're after. Good luck! Engine Identification