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Robert, RV Mechanic
Category: RV
Satisfied Customers: 13454
Experience:  18 yrs. RV experience including Cummins North West, Country Coach, Monaco Coach - vendor certified.
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, I have AC Source Managerll P/n 81-0281-12. shore

Customer Question

Customer: My name is Bill
JA: Thanks. Can you give me any more details about your issue?
Customer: I have AC Source Managerll P/n 81-0281-12. shore power quit working and the ACtransfer lite lit up, everything work's on Gen power, I put ac power wire's into the gen connection on the unit and everything works but now I get a overtemp on the unit and the remote
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Submitted: 1 year ago.
Category: RV
Expert:  Robert replied 1 year ago.

Hi my name is Robert...

This sounds like an issue with the cord or transfer switch. IF both the battery fault and over temp are flashing on the Source Manager it indicates there is an AC back-feed condition, since it works fine on generator power and then switching the wires causes the issue I would be looking at the source and the cord as the problem, it is also possible the TS is the problem. I would try a new supply source and see if the problem goes away, if not I would be inspecting the shore cord on both ends, make sure no wires are touching or have come loose. The cord should go right to the TS. If the cord is good then I would replace the TS..... Hope this helps some, IF you have more questions or concerns please feel free to contact me........ Robert

Expert:  Robert replied 1 year ago.

Hi... Was just checking in to see if my answered helped, or if you have more questions or concerns...