franknsandy
USN-Retired, Skippers, Virginia
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Joined: 07/23/2007
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I used my generator the other morning and it worked fine. An hour later it would run but I had no A/C power.
After much checking I think the Voltage Regulator is bad. Does anyone know of a way to test it? Can a dealer check it out without driving my rig to their shop?
Thanks
Frank
Frank n Sandy
USN-Retired
96 Dolphin Diesel / 2002 Saturn
Fulltiming since 2004
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bldrbuck
Boulder, Colorado
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Joined: 02/11/2001
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franknsandy wrote: Can a dealer check it out without driving my rig to their shop?
T
Sure it can be tested without taking your rig to the shop if the dealer does service calls or you can remove the generator and take just it to him.
93 Ford F350 Turbo Diesel, DRW, Crew Cab. PullRite Hitch. 90 Nomad 28' 5er, 375 Watts Solar, 2800 Watt Yamaha Generator, 1750 Watt Inverter, 4 Trogan T105 Batteries, Spare tire and wheel and folding ladder. Me, wife and 2 spoiled Maltise furkids.
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kd8wdave
Middletown,OH
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franknsandy wrote:I used my generator the other morning and it worked fine. An hour later it would run but I had no A/C power.
After much checking I think the Voltage Regulator is bad. Does anyone know of a way to test it? Can a dealer check it out without driving my rig to their shop?
Thanks
Frank
What & how did you check ?? I don't know about your genny, but mine won't run without the VR running properly. I have a Kohler, and it has a fuse (5a) in the VR circuit. Also breakers on the genny. ?? More info may help some of the experts here on your style unit.
cheers
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franknsandy
USN-Retired, Skippers, Virginia
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kd8
The stator turns, there is .6 VAC out to the two circuit breakers. Also the big indicator is that the LED on the V/R is not lighted, indicating no output voltage. It is possible that the brushes are not making contact and could be the problem, however the low hours on tne genset kinda indicate that this is not the problem. Also the fact that I had voltage one minute, then after a short shut down, (about 1 hour) I had no voltage. This pretty mmuch indicates a short in the Voltage regulor module.
Hope this answeres your question.
Frank
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franknsandy
USN-Retired, Skippers, Virginia
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bldrbuck
Thanks, I will call around today and see if I can find a local repair facility to check it out.
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retired4fun2002
Bracey,VA,USA
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Joined: 07/22/2003
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Had the same type problem with a Craftsman 5600 Generator, one pull and it would fire right up, but now electrical output. Took it to a Generator Repair Facility and they did a "test run" and came back that the Stator was defective, had worked twice, but then quit. I was lucky, this genny was still under (about to expire) warranty on the Parts only. I gave it to Sears, got a call about 6 days later, they repaired and charged notta.....thanks Sears. Now every time (two years later) I pull that cord and plug something in I hold my breath, ha. Good luck, Ron
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gunny357
North Carolina
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Frank:
To answer your question, maybe. Some folks have a test fixture/jig to test them, easy to build. Some don't know how. If you can get the voltage regulator out of the genset, there is no need to pull it out to do any checks or repair unless the rotor or stator is bad.
I'd ohm stator windings to look for a short or open, also continuity to ground, if none, look to the brushes, free in their holders and making good contact with the slip rings. Ohm through the rotor from the slip rings, should be in the 20 to 30 ohm range and no continuity to ground. If it all checks, read your manual and see if there is a procedure to flash the field. If that makes voltage for a short, then you have a failed voltage regulator.
The most common cause of a genset not making voltage is a failed voltage regulator. What kills voltage regulators best of all is shutting them down while powering a load, the bigger the load, the worse it is.
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franknsandy
USN-Retired, Skippers, Virginia
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Gunny
Thanks for the info. I have shut it down many times under a load, I never heard that you should remove the load but it sure makes sense.
I believe that that was what I had done. When i get it going again I will definately shed the elect before shut down.
Thanks
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