Make sure the engine is reading full. Pump the engine oil out into containers where you can measure exactly how much came out, then compare it...
You could use the Hubbel box. I'd connect to shorepower with ALL breakers off, then start switching on dumb equipment.....water heater....air...
That is NOT why the alarm is going off.
Yes, C complete an approved refresher training course. But looks like it's only good for up to a 100 GT master.
