Re: 220 volt puzzle on SM

amelliahona <no_reply@...>

Ian and Judy:

Sorry to sound ignorant, but what is "the ring main"?

Gary Silver
s/v Liahona
Hull # 335

--- In amelyachtowners@..., Ian & Judy Jenkins <ianjudyjenkins@...> wrote:

We have a curious problem. All 220 volt electrics were working fine yesterday--from shore power, Onan and inverter.This marina lost all shore power last night for about 5 hours during which we ran the Onan. After we shut down the Onan the marina regained power . Our ring main worked fine with that power as we ran two 500 watt heaters off it. This morning, with either shore power or the Onan 1. The aircon works 2.The battery charger works 3. The ring main and microwave have no power, although their circuit breakers stay in the On position
BY CONTRAST,With the shore power off, the inverter works both the ring main and the microwave.
Needless to say, this is a Saturday, so no electrician until Monday. Has anyone any suggestions ?? Ian and Judy, Pen Azen, SM 302, Spain

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