I've got a problem, I was running the MEP-002a on the house with 240 volts. Everything went great, shut down and went back about hour later and ran it again. Now I'm only getting 120volts off L1 and about 2volts at L3?? Any ideas?? What would cause L3 to go dead??
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MEP-002a 240 voltage problem
- Thread starter jamawieb
- Start date
Isaac-1
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I would start by checking at the load and line terminals on the output breaker, then I would look at theoutput selector switch. I assume you have already double checked with a hand held meter and it is not a panel instrumentation problem.
Ike
Ike
I'll check that, the voltage gauge on the panel is reading 240 volts but L3 leg is showing 2 volts with a hand held meter. When I started it, instrument panel gauges we great, it wasn't until I went in the house and only half the house was working. 
1800 Diesel
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Burned or partially melted contactor on L3 leg on main circuit breaker? You could try resetting the breaker several times to see if the L3 side "re-makes" contact. Also check the generator leads coming into the breaker to see if you have voltage on L1 & L3. If you do then a defective breaker contactor on the L3 side could be the culprit.
Kevin
1800 Diesel
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Good deal that you found the problem!
Possibly the connection was loose & it was arcing while running, eventually melting the connector. Did you install new connector & make-up wire & it's good-to-go?Not yet, I'm waiting on a new main breaker to come in for replacement.Good deal that you found the problem!