MEP 831 FAQ for owners or potential buyers

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I have a friend who has a 831, he has power at the convenient receptacles but none on the main power lugs ( in any configuration), we did find one burnt relay behind the control panel, replaced it no glory... anybody run into this or have any ideas??
 
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DieselAddict

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You'll want to grab the Technical Manual from the manual section of the forum and do a bit of quick reading to get up to speed on how these things work.

If you have power at the receptacle but not the lugs (assuming you flipped the switch) you need to troubleshoot the circuit that energizes the power contactor and troubleshoot the contactor itself.

There are several troubleshooting guides that will help immensely.

https://www.steelsoldiers.com/showthread.php?155865-Manuals-for-the-MEP-831A
 

Guyfang

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I have a friend who has a 831, he has power at the convenient receptacles but none on the main power lugs ( in any configuration), we did find one burnt relay behind the control panel, replaced it no glory... anybody run into this or have any ideas??
Have you downloaded the TM?
Have you ever seen this gen set work right? Is it new to you?
What relay did you find burnt.
Are you sure that you replaced it with the right relay? K12, K14 and K15 are not all the same relay.
Do you know how to use a multimeter?
Can you read a schematic?
 

Guyfang

Well-known member
7,321
1,070
113
Location
Burgkunstadt, Germany
Have you downloaded the TM?
Have you ever seen this gen set work right? Is it new to you?
What relay did you find burnt.
Are you sure that you replaced it with the right relay? K12, K14 and K15 are not all the same relay.
Do you know how to use a multimeter?
Can you read a schematic?
You really need to start your own thread on this problem.
 
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