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Looks like something that was or is used for an ice maker setup option for the fridge or perhaps for an RO system. If it's not being used for anything, you can cap it off or get an inline piece, brass or plastic, from a hardware store. Then wrap it in some insulation to prevent it from freezing...

I personally use US Battery 2200 XC2 (I think that's the model). They are 6V deep cycle wired in series/parallel. In my old RV that I had, I used the similar version from Trojan. Both great batteries. Prior to getting the US Battery, I installed whatever brand Sam's Club carries and they barely...

Before I installed the soft start devices on my RV, I had two ATSs go out - first the original, then the new, upgraded version. After the second one went out, I investigated further and found that one leg coming into the house from the utility had low voltage. Oddly, the voltage was above 100V...

Good news indeed! Sent from my SM-G781U using Tapatalk

I wouldn't be surprised if the solder joints under the screw down terminal were poorly done. The furnace heater control board on my RV did something similar, although, it wasn't apparent until I pulled the board to inspect it. Reflowed solder and all is good. I would say that is a manufacturer...

I didn't end up going to the local propane company for guidance, but found more info on that check valve. It seems that it is mainly there to prevent backflow into the propane tank. However, the line to connect to the propane tank already includes a check valve (according to the data sheet). The...

Glad you got it fixed without replacement! Sent from my SM-G781U using Tapatalk

I would look closely at the grounds and/or isolate the 12V breakers. If they aren't working on generator or battery, it can't be much else, other than a 12V positive wire that's worked it's way loose, but hasn't made contact with the chassis. Sent from my SM-G781U using Tapatalk

Sounds like a broken ground somewhere. You mentioned outlets - 12V outlets are inop or 120V outlets or both? My toy hauler didn't come equipped with any 12V outlets. The dim awning lights could be a weak ground or you have weak batteries. No fuses popped tell me there isn't a short. The...

Thanks! Odd that an adapter so small would have something like that in it. Sent from my SM-G781U using Tapatalk

Both of the original pigtails on my RV wouldn't seal and the secondary regulator on the drivers side was leaking, so I had to get new pigtails and a regulator. The regulator has 1/4" FPT but the pigtail is a 1/4" inverted flare. The pigtail is a MB Sturgis 100575 that the online data shows...

I installed one of those 3 filter, no tank, RV style RO systems with the quick release filters right under the sink. I personally don't recommend that style as the water really never tasted that great. If we ever go full time, or even for a couple of weeks, there is room under my sink for one of...

They still use ammonia for the refrigerant. Going to the HVAC cooling units from JC Refrigeration will be more efficient and there isn't a need to ensure the rig is level just for the fridge. Sent from my SM-G781U using Tapatalk

@rhodies1 Oh I didn't even see the new ones. When I did a search for it, it took me to this website: https://rvcoolingunits.com/ Is this the same company? Sent from my SM-G781U using Tapatalk

Thanks @rhodies1! It's holding up so far, although the next few days will really tell how it is holding up. I know I'm on borrowed time. My plan is to replace the cooling unit, but it'll probably be the 12V R134A cooling unit from JC Refrigeration. It's a bit more expensive than the rebuilt unit...

I definitely appreciate the pointer. When I get home, I'll pull the cover off to make sure there isn't any corrosion or other lingering issues I didn't think of looking for. Sent from my SM-G781U using Tapatalk

I learned something a few days ago about refrigerant loss. Micro leaks are apparently a thing and may not even be detectable with most equipment, but normally takes many many years for a problem to be noticeable. With these smaller units, I could see issues creeping up sooner than a residential...

Thanks @travelin2! There is a slight chance I suppose. When I noticed the unit stopped cooling, we had an abnormally wet season with about 13 inches of rain all in the month of May last year - so I'm guessing about 15 inches when this happened. There is a large juniper blocking the sun on that...

I posted the faults. None of the faults could be verified when I first tried to troubleshoot this. The fault for no cooling could have been caused by overheating. The DC voltage low or high were all within limits when I checked after this happened. No other sensors set any faults, including the...

Air bubble... That's interesting. It had been running constantly for quite a while as we were using the fridge, but we haven't been able to take the RV on the road since Nov 2021. We did turn the fridge off a couple times, but it was mainly left on for the majority of time. Perhaps the unit...

I updated the title with the correct model number - 1210. Here's the faults: Screen 4: These 2 I don't think are really cause for concern as they can be explained. - AC Mode Selected, but AC voltage not available - Fresh food door open for more than 2 minutes - Burner failed to light/relight...

Sometime last summer, I went out to check the fridge and it had stopped working. Everything in it spoiled (wasn't a lot, just a few items). I tried troubleshooting it, pulled the codes (I wrote them down somewhere, but don't have it right now), tried getting it to work on propane, nothing. I...

Find a reputable RV mechanic or even an AC technician. Most units can be serviced, but most will need a valve installed if one isn't present. Must use the refrigerant listed on the unit. Sent from my SM-G781U using Tapatalk

Sounds typical for dealers. I've often wondered why dealers charge ridiculous prices. I'm guessing they can if you need something now and can't wait for an item to be shipped. Sent from my SM-G781U using Tapatalk

I installed 4 of the U.S. Battery US 2200 XC2 about 4 years ago. Best battery setup yet. I had a set of the interstate deep cycle golf cart batteries but they didn't last 2 years. Here's a link to the US Battery https://www.usbattery.com/us-2200-xc2/ Sent from my SM-G781U using Tapatalk

Not certain if you have double tanks or not, but I had a similar problem, but with double tanks. What it ended up being was where the two connect together, whoever installed it didn't cut the frame properly and left a jagged piece where it eventually wore through the center where the two...

Check to make sure both of the lines coming in are putting out the proper voltage. In a two year period I replaced the ATS in my fifth wheel thinking one side was going bad as one would either disconnect, chatter, or buzz. Determined the root cause was a loose neutral at the utility pole causing...

You ought to look into mini split additions. Requires a little more ingenuity to install, but will out do any standard A/C unit and is more efficient. Why RV manufacturers still think the typical RV A/C is sufficient is beyond me. Surely they can design an RV that uses a mini split system...

Awesome! Glad you got it fixed! Sent from my SM-G781U using Tapatalk

Here's my post regarding the circuit breakers from a while back. https://heartlandowners.org/threads/resolved-circuit-breaker-orientation-wiring.78945/#post-642704 Take a look at the first picture with the labels to get an idea of how they are setup on my RV. In the picture, you will see one...

Just FYI - not all RVs came with the manual reset circuit breaker. Mine didn't. I experienced issues you described and it just so happen to be because of that automatic breaker for the battery. It failed. You can take a multimeter with the negative lead to ground and red to either side of the...

Glad to hear Heartland took care of you and thank you for providing an update! Sent from my SM-G781U using Tapatalk

Since you have 3 units, I'm guessing you have a toy hauler? There should be one AC unit on one leg of your breaker panel. Two ACs will be on the other leg. The master bedroom should be on one leg without another unit (such as the main living area). If the two units you are attempting to run is...

With everything disconnected from shore power and Gen off, have you operated that battery disconnect plunger to see if you get power in either position? Perhaps pull that panel to see if the wires are disconnected from that plunger. Sent from my SM-G781U using Tapatalk

They still use similar components to switch between sources. I don't know much about Go Power, but a typical RV ATS is made for the generator to be primary so it immediately cuts off power to the grid when you start the generator. This is a safety feature to prevent back feeding into the grid...

I found that Suburban has nearly all of their manuals on their website... If the link cookie posted doesn't get you what you wanted. Out of curiosity, why did you need to replace the board? Sent from my SM-G781U using Tapatalk

Good luck and keep us posted on what you find out! This forum has been great helping me overcome issues I just couldn't wrap my head around, so I think you came to the right place. Lots of knowledge here! Sent from my SM-G781U using Tapatalk

I think a clarification is needed (maybe - unless there was a typo in your last post?) - most devices in RVs that only work on shore or generator power would be 120V AC - so anything with a typical plug you would find on your house. Microwave, TVs, and even refrigerators - but the fridge can be...

When on shore power, have you heard any sort of chattering? When plugged into shore power, turn off the breaker to the converter charger to see what happens. Either way, the lights should work as long as the batteries are charged... Which is what seems odd in your case. If you have the ability...

1. I didn't know that can be done by non-admins. 2. I really like it when people read posts. 3. I really don't like it when folks jump in for no reason, such as what you did today, some how thinking my response was probably to you. 4. I think at least one admin partaked in trying to help figure...