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Generator MEP 803A problem “over voltage”
- Thread starter Captcday
- Start date
- 3,860
- 6,074
- 113
- Location
- MA
Can you be more specific on details, like under what conditions it happens.. right after startup? After running a while? Have you performed any testing on items in the set related to this, or referenced the tech manual?
At first it quit right after start up. We cycled the 1/3 phase switch a dozen times or so and it did start. We had it on a load bank at 7kw single phase and it ran for about 5 minutes. Then it quit again. Throwing the Over Voltage again.Do not know what to test. Also do not have a tech manual .
- 2,630
- 6,043
- 113
- Location
- West greenwich/RI
I'd start by cleaning and exercising both the AC select switch and the AM/VM switch. Many times it's just a dirty connection inside one of the switches. If that doesn't help we will have to dig deeper.
- 16,908
- 24,512
- 113
- Location
- Burgkunstadt, Germany
You can download the TM's here in the forum.
I would also start by doing the above.
- 2,166
- 3,592
- 113
- Location
- Pepperell, Massachusetts
You might want to look at this thread --> Overvoltage
Some info on what to check when chasing an overvoltage fault.
Some info on what to check when chasing an overvoltage fault.
Thank you very much . I’ll do that and post what happens.
Howdy,
Start here in this thread. The 2nd post has quick links to lots of stuff. The third post has links to the manuals.
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- 3,860
- 6,074
- 113
- Location
- MA
Yeah get the TMs first and foremost.
TM ending in -10 is an operators manual
TM ending in -24 is the troubleshooting manual
TM ending in -24P is exploded parts diagrams of everything that makes that machine up.
For troubleshooting purposes, almost EVERYTHING you could ever encounter, is covered by the -24. I think you have a corrosion issue, and I think you need to plan on purchasing a good contact cleaner, and taking the roof off the machine to get to the fun stuff.
TM ending in -10 is an operators manual
TM ending in -24 is the troubleshooting manual
TM ending in -24P is exploded parts diagrams of everything that makes that machine up.
For troubleshooting purposes, almost EVERYTHING you could ever encounter, is covered by the -24. I think you have a corrosion issue, and I think you need to plan on purchasing a good contact cleaner, and taking the roof off the machine to get to the fun stuff.