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 on: April 18, 2016, 10:54:18 am 
Started by Jan and Dick - Last post by Jan and Dick
Has anyone had to replace the mascerator pump in the San Con System?   Mine began to make weird noises at the end of last season and has totally stop working.  It sounded like it had rocks in it when it did work.  I was wondering how hard is it to replace the pump.  Is it something a person can take on him self  or should I take it back to the factory to have it done.

 on: April 18, 2016, 08:54:26 am 
Started by Pax - Last post by Pax
I don't own these batteries, but just quoted the author of the article.
A quick search online showed there aren't an overwhelming number available yet apparently, but run in the range of $300-$400 or so each.  I don't know anything more about the batteries (positive or negative, no pun intended) than what I posted.  Just thought I'd share that in case others were thinking about replacements and/or possible better alternatives for their solar systems.  They do seem interesting.

  - Mike

 on: April 18, 2016, 08:13:31 am 
Started by Pax - Last post by fandj
I see from your comment that you run your microwave off the battery through the inverter. Does that mean you have LFP batteries?  If so I would be interested in the amp hour capacity of the batteries and any other changes that were required to safely charge and discharge them.

I had considered having the ability to run the microwave off the inverter for very short periods of time (1-4 minutes) instead of starting the generator but the discharge capability of the two 6 volt batteries to supply the needed amperage became a concern. I know the amp hour draw and Peukert effects are huge even if they could supply the needed amperage and the batteries would be quickly discharged if used for longer periods.   If you do not have the LFP units could you elaborate if there was a discharge rate issue and how you handled it.

The newer technology LFP systems certainly looks interesting and I would like to learn more about them.

 on: April 18, 2016, 07:08:16 am 
Started by BarbRN - Last post by BarbRN
Thanks Ron. I can do this. Great idea.

 on: April 18, 2016, 04:08:11 am 
Started by BarbRN - Last post by ron.dittmer
Hi Barb,

I am not familiar with the Samsung head unit.  Manufactures often install a fuse, most common inside the unit.  Since you consider the head unit as garbage, there is no harm in opening it up (unplugged of coarse) and take a peak inside.  Look where the power cord comes in and look for something like this.

If it has one and it looks like this, you are in-luck.  Pop it out with a tiny screw driver and read the numbers stamped on the metal portion.  Then go to an auto parts store or Radio Shack store for a $1 replacement.

There are many styles of fuses.  You might not recognize it.  In Google, type "fuse on circuit board" and then click on "images" to see many different styles of fuses.  A fuse outside the unit could be flush with the back wall.  You might need to twist or pop open a cover to access it.  To be honest, it is very rare to find a fuse accessible from the outside these days.  If there is one, it is most likely inside, mounted on the circuit board.

I hope you decide to open up the box, look for a fuse, and report back.  If you are totally lost at what you are looking for, but are good with a camera and posting pictures, take a good picture of the circuit board for us to review here.

The fuse is the primary line of defense in protection.  If there is a problem with the internal circuitry of the Samsung, a replacement fuse will burn up as well.  So then throw it away.  But if everything works well again, you can assume there was a one time power surge from the motor home that caused the fuse to burn.

Consider this a new "Adventure Anywhere" Smile


 on: April 18, 2016, 03:47:36 am 
Started by Pax - Last post by ron.dittmer

I wonder what two LFP batteries would cost?  I also wonder if they are available in 6V?  I paid ~$200 for our last pair of 12V lead acid batteries, and ~$400 for our most recent pair of 6V AGM batteries.  My hope is that our 6V AGMs will perform better and last longer.  Time will tell.  I didn't learn much from one 4 week trip with brand new 6V batteries.....of coarse they worked great being brand new.  My hope is to get better performance in year 3 & 4 & beyond, hoping there is a "beyond".

 on: April 17, 2016, 09:30:08 am 
Started by BarbRN - Last post by BarbRN
 Sue you are very fortunate to have a handy husband and I bet there are a few that could've done that job or known what to do. This is beginning to sound a lot like an overheating problem and everybody's having because the cabinet doesn't give ample space as required by the Samsung unit for cooling. The matter what unit we put in there It's going to be a heat problem.

 on: April 17, 2016, 08:19:38 am 
Started by BarbRN - Last post by Barry-Sue

What model is it?  I did see online that there are reset procedures for some models.  Or it could be the power board in the unit itself that went bad.

This winter in FL, I was using my Apollo Convection Oven when I suddenly lost power to it. The rest of the rig still had power. Luckily my DH is very handy in diagnosing problems.  We pulled the microwave off the wall and right on top was a small burnt spot on some wire insulation.  He placed a jumper to eliminate this part and power was restored.  We called Apollo and they sold us a new thermal cutoff for $30 along with a document that identifies three causes as to why your unit could lose power and how to fix it.  They were great support and within a week I had the oven back in working order.  It had nothing to do with the microwave portion at all.  Bobby at the factory was great in telling us how the unit is mounted.

After doing some research on these thermal cutoffs they give them a five-to-six year life span.  Ours is five years old and I use it all the time.

It is too bad that these parts aren't made to last a lot longer.


 on: April 17, 2016, 02:34:49 am 
Started by Pax - Last post by Pax
There has been a lot of discussion about batteries, but I haven't heard about LFP type batteries until recently.  Here is an excerpt from RV'ers magazine:

Flooded cell This is the common wet cell battery that everybody loves and hates. Its cheap, messy, widely available. They have to be mounted in a well-ventilated area and must be kept right-side-up at all times. They can accept up to about 20 percent of their rated capacity when charging. High discharge rates will quickly drain them and shorten battery life. Normal life span is about 4-5 years or 500-1000 charging cycles.

AGM About 50 percent more expensive than wet cell, theres never an acid mess or need to replenish water. They can be mounted in a closed compartment and in any orientation. Charge acceptance, discharge, and life span are like wet cell.

LFP Nearly four times the cost of wet cell, but life span makes up for it: easily 8-10 years and 3000-5000 charging cycles. Fully sealed, any orientation, and about 1/3 the weight of wet cell or AGM. Perhaps most importantly for RV/solar applications, LFP will accept 3X its capacity in charge rate, which allows use of full solar capacity at all charge levels. They also can be discharged at very high rates without any penalty (I run my microwave on battery power). LFP batteries have been full-custom applications until recently, but there are now drop-in replacement LFP products for lead-acid batteries.

    - Mike

 on: April 16, 2016, 11:47:37 pm 
Started by gl1500 - Last post by BarbRN
Ours quit too after storing it during winter.  Won't power up at all. 

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