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Old 10-05-2018, 06:43 PM   #1
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1972 31' Excella 500
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17 Classic LPG monitors

Did a search on propane monitor system used in our 2017 Classic. Did not find what I was looking for.



The issue, there are random times our inside read out for LPG tanks show empty when both tanks are full. What I have to do is unplug and reconnect sensor wires at the tanks and readings come back. Has anyone experienced this and if so do you know why this is?


Best regards and safe travels............
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Old 10-07-2018, 04:20 PM   #2
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Hi

The readouts are simple resistive devices. Anything that degrades the contacts will make them flake out. An open will report as an X on the display. A short will report as something else. Ours tends to go to an X on a fairly regular basis. Cleaning / re-plugging the contacts fixes it. Often simply moving the tank a bit fixes it.

Bob
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Old 10-07-2018, 05:17 PM   #3
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Quote:
Originally Posted by sbowman View Post
Did a search on propane monitor system used in our 2017 Classic. Did not find what I was looking for.



The issue, there are random times our inside read out for LPG tanks show empty when both tanks are full. What I have to do is unplug and reconnect sensor wires at the tanks and readings come back. Has anyone experienced this and if so do you know why this is?


Best regards and safe travels............


I had a somewhat similar issue. Tank readings were intermittent showing either correct or zero (never xd out), and after a period of time just showed zero. Eventually replaced the Firefly power module and everything has worked perfect since.
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Old 10-07-2018, 06:09 PM   #4
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Originally Posted by uncle_bob View Post
Hi

The readouts are simple resistive devices. Anything that degrades the contacts will make them flake out. An open will report as an X on the display. A short will report as something else. Ours tends to go to an X on a fairly regular basis. Cleaning / re-plugging the contacts fixes it. Often simply moving the tank a bit fixes it.

Bob

Thanks Bob.



Our humidity here is generally 65% and above. I was thinking of cleaning the connections and putting a little electrical silicone grease on the connections.


Best regards and safe travels
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Old 10-08-2018, 08:33 AM   #5
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Hi

Some sort of coating on the connections probably would help. I've used silicone spray on mine, but it does not seem to have much effect. The other half of the circuit is through the tank to the mounting plate to the frame. That may be part of the issue. I've never seen the "goes empty" situation so that is likely something different.

======

Well, at least that got me up to go try something. Indeed shaking the tanks and tightening them down took care of the X indication on the panel. Probably a very good thing to check if you see that come up !!!

Bob
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Old 10-08-2018, 02:05 PM   #6
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17 Classic LPG monitors

Add a ground wire with a sturdy clamp from the A-frame ground to clip on the top of the bottles?

Better. Replace the single wire connector with a double conductor polarized one, add a bolted ground wire to the tank and another to the A-frame. Run it through the connector along with the sense lead. Less fiddling, easier to connect and disconnect.
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Old 10-08-2018, 03:11 PM   #7
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Hi

Actually, if indeed the issue is just the clamp on the bottles working loose (sometimes it is, sometimes it's not) the X indication is giving you good feedback to go tighten things down before a bottle falls off of the trailer. Indeed there are threads about this happening to people.

Bob
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Old 10-09-2018, 09:48 AM   #8
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Originally Posted by uncle_bob View Post
Hi

Actually, if indeed the issue is just the clamp on the bottles working loose (sometimes it is, sometimes it's not) the X indication is giving you good feedback to go tighten things down before a bottle falls off of the trailer. Indeed there are threads about this happening to people.

Bob

So the "X" appears only to this point when AS is sitting and at home under cover. I tried the push of the cylinders yesterday and wala. Read out is back. I am thinking of the dual wiring set up and the electrical silicone at connections.


On another note, paint AS has used on tung and assorted items on the tung is poor at best w/spots of rust after 2 years. Tanking cylinders off and repaint all w/Por-15.



Best regards and safe travels
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Old 10-10-2018, 06:28 AM   #9
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If you do a *really* good job of painting, you will isolate the tanks from the frame and get the magic X indication even with the holder down nice and snug . Indeed after you take them on and off a couple times .... paint gone / problem solved ....

Bob
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Old 10-12-2018, 07:43 AM   #10
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Hi

If you do a *really* good job of painting, you will isolate the tanks from the frame and get the magic X indication even with the holder down nice and snug . Indeed after you take them on and off a couple times .... paint gone / problem solved ....

Bob

Hello Bob,


Grounding conductor, tanks to frame solved the issue. POR-15 paint solved rusting issue. Yes double coat.


Best regards and safe travels......
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Old 10-13-2018, 04:46 AM   #11
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The tanks are the ground for this system. According to techs at JC when there one has to tighten clamp down as tight as one can and then tighten it some more.
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Old 10-13-2018, 08:05 AM   #12
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17 Classic LPG monitors

I would also take the tanks off and raise then up about 6-8 and drop them on the ground. The check valves inside the tank stick sometimes from the movement of going down the road.
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Old 10-19-2018, 08:50 AM   #13
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The tanks are the ground for this system. According to techs at JC when there one has to tighten clamp down as tight as one can and then tighten it some more.

Yes this would explain the bent bracket at the top of the tank(s) cover. It appears the "tighten it some more" approach method was done prior to receiving our AS. Adding the tank(s) to frame grounding conductor solves having to use the tighten again method.


Best regards and safe travels.......
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