Originally Posted by pilotag
Hello All. I know this has probably been addressed before but I can't find the thread.
I have a new transfer switch on my 2011 Monaco Diplomat 43 and have had no issues with shore power in my shed or on the road.
Now suddenly my Power Control System Central Monitor panel shows
WIRING STATUS ERROR and the inverter will not let the charger come online.
Charge light flashes quickly for a few seconds then goes off and inverted shows discharge on the batteries. Magnum Inverter.
This started occurring intermittently on different shore inputs. Recently at Oshkosh I had this issue but then it resolved itself and everything worked perfectly for 4 days in the campground. Back home and now it will not come online again. As mentioned before I've used this shore power for years with several rigs and no issues.
If I disconnect shore and bring Generator online I have no issue at all.
Measure power plug point and I have no issues with the Voltage at the 50amp supply. My surge protector shows no errors. In Oshkosh same thing no errors. I've tried this both with surge protector connected and no connected. No difference. Just cannot get the shore power online.
Do I need to consider another new transfer box?
Any suggestions would be very much appreciated.
Thanks in advance for all the wisdom and suggestions.
Note bold. That fact tells you there is no problem from the ATS output connections, the generator contacts of the ATS, or main panel.
Your issue is with shore power after the pedestal and before the ATS output lugs. That leaves the following suspects:
Plug on shore power cord.
Shore power cord itself.
Reel for shore cord, if installed.
Connections for shore power inside ATS.
Contactors for shore power within the ATS.
Loose/poor connections at any of the above locations can produce intermittent problems to shore power, exactly what you are experiencing.