GENERAC 8KW GENERATOR FAILURE TO START / FAILURE TO CRANK
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- Опубліковано 27 сер 2024
- THE ORIGINAL CALL WAS FOR FAILURE TO START. i FOUND THAT IT FAILED TO CRANK OVER OR FAILURE TO EVEN TRY TO START. THE EVOLUTION CONTOLLER DIDN'T EVEN RECORD THE FAILURE AND DISPLAYED THAT THE GENERATOR WAS READY TO RUN.
I FOUND THAT THE STARTING RELAY WAS CAUSING A HIGH CURRENT FAULT WHICH AFFECTED THE BATTERY AND THE CONTROLLER. THE BATTERY ACTUALLY REQUIRED A CHARGE AND THE BRAINS OF THE CONTROLLER GOT A BIT SCRAMBLED. BY SCRAMBLED i MEAN THAT THE CODES IN THE 7 SEGMENT DISPLAY MADE NO SENSE, NO ALARM CODES WERE ENTERED IN THE ALARM HISTORY AND THE CONTROLLER THOUGHT THAT THE GENERATOR WAS "READY TO RUN".
I REPLACED THE OE STARTING RELAY WHICH WAS A TROMBETTA PART NUMBER 872-1221-210-07 WITH A TROMBETTA STARTING RELAY PART NUMBER 784-1221-210.. BOTH PARTS MADE IN CHINA.
I PUT THE GENERATOR IN "OFF" BECAUSE i DIDN'T WANT IT TO TRY TO START WHILE I WAS REPLACING THE STARTER RELAY.
I REMOVED THE FUSE AS THERE'S A BUILT IN TRICKLE CHARGER FOR THE BATTERY AND I DIDN'T WANT ANY VOLTAGE ON THE BATTERY CABLES WHILE THE CABLES WERE DISCONNECTED FROM THE BATTERY.
I REMOVED THE BATTERY FOR ROOM TO WORK INSIDE THAT END OF THE CABINET WHILE I PEERED OVER THE TOP.
PUTTING EVERYTHING BACK TOGETHER I CLEANED AND APPLIED SOME BATTERY POST ANTI-OX.
I DID PRINT THE FAULT CODE HISTORY BUT IT DIDN'T PROVIDE ANY INSIGHT TO THE PROBLEM.
El panel de control de la de 10kva le sirve ah Sta de 8kva
What do you think about the new generac generator 18kw generator. Do you know doses it uses 2-3 gallons of LP per day. On a 500 gallon propane tank. ? Are the new generac generators uses less Lp during a power Outage. At full load.
I haven't installed any of the new 18KW generators. I do use the manuals and the product guides to view fuel consumption but I try to keep the generator purchase affordable. I talk to the owner about how much power they need to get through a power outage - not necessarily powering their home as if the utility power was still on. Especially on Propane where their; heat, hot water and cooking may share the same fuel. The cost of that fuel, the dependability of their supplier - especially in adverse conditions and their tank capacity. ( The LP fuel suppliers "use to" give you the tanks for free but now charge for them. )
Affordability is best in the 8-11KW range where fuel consumption is more tolerable,
I believe the largest generator I've installed, for residential, is a 14KW..
I would say that although the required pressures have come down over the years and the exercise cycles use less fuel - your daily consumption is far lower than I would expect.. I would expect that an 18KW, at full load, would consume 3 gallons of LP fuel per hour.
I wish it were per day..
Any chance you can send me a picture of the throttle motor and spring/ linkage? My spring fell off and I don’t see how it’s supposed to mount.
I believe that if you do a search for "stepper switch" problems or replacement you'll get a better idea of what you're looking for and possibly why.
I just added a video of the spring attached to the stepper motor arm. (not part of the actual stepper motor so ordering a stepper motor won't get you the spring.) On hold with Generac as we speak trying to get the part or even the part number.)
I got a service call right after my first reply to this request.