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We have two battery disconnect switch’s on the inside panel (main switch and aux switch). Along with those we have an on/off switch on inverter, and another in the bay where the dirt devil vacuum is. if we are dropping off for service or storing without power, what do we turn off to avoid ruining the batteries. Thank you. FW Discovery 2022

I'm having an issue with shore power shutting off randomly, a few times per day. We just arrived at a new park yesterday and it started shortly after we got plugged in. I should mention I have a portable "surge guard" plugged in between shore power plug and my cord. That surge guard shows all green lights, even as shore power in the RV cuts out. After some google research I "think" it may be my surge guard / ATS. I have a 2017 Fleetwood Pace Arrow 36U. The surge guard / ATS is a Surge Guard Model 40350 RVC Automatic Transfer Switch. Background: There appeared to be intermittent loud humming from the area of the ATS in the recent past. It doesn't seem to be "humming" anymore.... just making a fairly loud "clunk" as it shuts off interior shore power, and then later (random amount of time each time) it makes the same "clunk" when interior shore power comes back on. It has done it with very little load. No A/C or heater on... maybe pulling about 3 to 4 amps. Since it is so recent I don't know if it will also do it under load. Speaking of "load". Back when it was "buzzing" it appeared the buzzing pulled a load. Nothing on except for maybe the fridge and it would jump from 3 or 4 amps to 11-12 when the buzzing started. I should also mention it seems if I cut the breaker at the shore power tower off then back on, the shore power in the RV return I have an appointment to bring it into the shop in mid-January..... just don't know if this a big enough issue to worry about right now. We are full time and travel / move frequently. (about every week)

There have been several posts on this subject. I am starting a new post to keep from confusing the prior posts. Thank you everyone that takes the time to reply. We have had this coach (2011Fleetwood Discovery 42C) since November, 2010. This past May, we have moved onto the coach as full timers. Now that all components are getting full time use, we are finding many issues. This power issue started about a week ago. Every night at about 10 pm (coincidence?), we lose all power to the coach. The panel inside the coach says "no service". I go outside and check the power at the pole. The breaker is not tripped. The little green light on my plug is illuminated. The two red lights on my Surge Guard Automatic Transfer Switch (ATS) are illuminated. As mentioned above, the panel inside the coach displays "No Service". I turn the shore power breaker off and unplug the cable. I turn on the generator and all power returns and the panel displays "generator". I turn off the generator and turn on both inverters (I have two Magnum MS2000). Power is restored. I turn off the inverters and plug the cable back into the campground power and turn the breaker back to the on position and the power is restored. Next night at around 10 pm, power goes out again completely. I asked the campground to check their electrical service and watched as their electrician check the 50 amp power outlet. Each leg checked out at between 118 and 125 volts. The total voltage when checked showed 225 volts. My next step is to get someone to check my ATS. One of the two inverters seem to be dedicated to the residential refrigerator. The other inverter is dedicated to the power outlets and air conditioners. About 2 months ago, I had to replace the inverter that controls the power to the coach. There was a problem with the internal relay that prevented the shore power from supplying power to the outlets. Everything has worked properly until this week. Any additional thoughts and suggestions are welcome and appreciated.

When I started my generator when there was a power outage in the RV park, I got a hammering sound and the there was no indication on the control system that there was power to the coach. Would that be the inverter or the transfer switch or what? Shutting off generator and waiting a while and starting it again seemed to clear it up. But it felt on the floor of the coach like it was coming apart.

Arrived at a Desert Hot Springs RV Park and proceed to hook up at site for two months stay. I plugged in the surge guard to check for three green lights. I got partial red, green, green from the surge guard. With the breaker switch turned off it should have no light but the first light was showing red. I went to the office and they sent electricians with two trucks. At first their meter showed normal with a little variable between legs but then found a little leakage with the breakers off. They was able to isolate the 50 amp pedestal at my site from the supposedly ground leakage and know they have maintenance on the block we are located. The manager thank me for bringing it to their attention as they want to give the best of service. The electricians said to me "Wow that thing (surge guard) don't lie. I made a very good investment and don't know what would happen short or long term if I plugged into it without repair. I recommend a tester before plugging into unknown pedestal as it's better to be safe than sorry.

After several trips of constantly turning on the generator so that the kids could watch TV or my wife could charge her laptop while driving, I finally decided to install an inverter to power the coach with the house batteries. After some research this is what I came up with: * Disclaimer - I am not a mechanical engineer. These are the rantings of an ex Master Mechanic who has spent hours doing his research. Please if you consider doing this, do your own do diligence. Pure Sign Wave Inverter There are many articles out there that detail the differences between pure sign wave and modified sign wave inverters. Simply put, pure sign wave is safer for sensitive electronics like cell phones or laptops. I chose a Samlex America SSW-2000-12A 2000W Pure Sine Wave Inverter for both its price and 2 year warranty and the Rep at Samlex was very helpful in answering all my questions. The Install According to everything I read it was very important to keep the inverter close to the batteries, but not exposed to the elements. My house batteries are just behind my right front tire but are not protected from the elements. So I went with the closest storage box and ran 2/0 Gauge AWG battery cables with a 300 amp inline fuse. Then I ran a 30 amp power cord to the rear storage box and connected it to a 30-Amp outlet. The final step was to install the Samlex inverter remote. That was easy enough and now the whole system works perfectly! Next up - Let's add some solar!! What do you guys think? - Ryan