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Ask Hank F. Your Own Question
Hank F.
Hank F., Technician
Category: Small Engine
Satisfied Customers: 14672
Experience:  Certified on Onan and Generac generators
19372534
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I have a rv with a onan generator. my girl was cleaning the

Customer Question

i have a rv with a onan generator. my girl was cleaning the counter and a stereo cord pluged into an outlet contacted water this while my generator was running. there was a spark and my generator died. ive yet to get it started since.
Submitted: 8 months ago.
Category: Small Engine
Expert:  Hank F. replied 8 months ago.

What model gen?

Customer: replied 8 months ago.
40beir_261004, does that help? Mema. Class A
Expert:  Hank F. replied 8 months ago.

That is not a valid model number.

Customer: replied 8 months ago.
Thats whats on the metal tag on the front of the generator. The manual says, McGraw_Edison
6.5
NH
GenSetInside the manual it has
6.5 NH_3C R 16004 M
Expert:  Hank F. replied 8 months ago.

That is a valid model number.

You had typed 40beir_261004 on the first one (you can scroll up to see it).

Check both plugs on the genset to see if you are getting spark.

Are you?

Customer: replied 8 months ago.
Let me check I'll get back to you
Expert:  Hank F. replied 8 months ago.

OK

Customer: replied 8 months ago.
Wait a minute, I really couldnt tell you since it wont so much as turn over now since that shorter cord killed it.
Customer: replied 8 months ago.
Shorted cord is what I meant
Expert:  Hank F. replied 8 months ago.

That cord should not have affected the genset.

Check to see if you are getting 12V to the starter solenoid on the genset.

Check the fuses on the genset. There are 2 of them.

Customer: replied 8 months ago.
Ok I'll get back to you in a minute.
Customer: replied 8 months ago.
I checked the starter solenoid and theres 13 volts going to it. I checked the two fuses that are soldered to the board, by the way I have already replaced then as they were blown. The continuity was good. Theres no power going to that panel as I had pulled the third fuse, the sits in a harnes the you plug into the board from the front of the face plate. Now I did also check the switch while I was at it, and though I got continuity I noticed when I pushed the stop direction of the switch that it sticks for a moment before it snaps back.
Expert:  Hank F. replied 8 months ago.

There is no board in an NH unit. It is a solid state control.

Customer: replied 8 months ago.
How about this for a model number. Please understand this was hand written paper glued to the front of the generator. 4.0 BGE_ 1R1261004. Is that helpful?
Expert:  Hank F. replied 8 months ago.

I believe what you have is a 4.0BGE-1R/26100 unit.

However, the very last digit will be a letter, not a number. This letter is critical.

I am assuming it is either an "A" or an "H", but I need to know for sure.

Customer: replied 8 months ago.
You are correct and the letter is an A.
Expert:  Hank F. replied 8 months ago.

On a BGE unit, there are no fuses soldered on to the control board, so I have no idea what you have done there.

The only fuse is the pull out fuse that you pull out through the front of the control panel.

Remove the control panel from the genset.

On the starter solenoid, you will see a large cable on the front (the battery cable), then you will see 2 small white wires on the side, to the left.

Remove the white wire nearest you. It should be labeled K1-S J1-2.

Test this wire for 12V while pressing the start button.

Does this wire have 12V?

Customer: replied 8 months ago.
Lwet me go ceck Ill get back to you.
Expert:  Hank F. replied 8 months ago.

I don't know where you are located, but here in Kentucky it is 11:30 PM. I have to get up at 6 to go to work.

I can give it about another 10 minutes here, but then I have to get to bed.

Customer: replied 8 months ago.
Go ahead goodnight. By the way im in california, and the answer to your question is no, no power at all
Expert:  Hank F. replied 8 months ago.

If you have no power to that wire, but have power to the board and the fuse is good, then the board is bad and will need to be replaced.

Customer: replied 8 months ago.
I see. Let me play around witb it and like you said its late. Go to bed and have a good nights sleep.
Expert:  Hank F. replied 8 months ago.

Ok.

Expert:  Hank F. replied 8 months ago.

Have you checked this yet?