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Thread: Repair or Replace SSRs

  1. #1
    Join Date
    Dec 2008
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    Default Repair or Replace SSRs

    Every year it seems like my SSRs stop working due to moisture on the boards. The SSRs are in sealed enclosures but still may get condensation buildup. Is it difficult to repair the boards or easier to just replace? Are the board coatings worth the hassle?

    Some of the time it is the solder pads that seem to get oxidized. Other times it is the Cat5 jack and/or rj45 plug. ImageUploadedByTapatalk1417294536.045553.jpg


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  2. #2
    Join Date
    Dec 2009
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    Melbourne, Australia
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    Default Re: Repair or Replace SSRs

    Quote Originally Posted by rklarman View Post
    Some of the time it is the solder pads that seem to get oxidized. Other times it is the Cat5 jack and/or rj45 plug.
    Solder is (often) combination of lead and tin.. its should only have a tarnish but not affected its electrical functionality (except if you happen to live opposite a beach) - and the boards should have been pre-tinned and coated so generally water resistant.

    On the bad ones, I might use a dremel to do a GENTLE quick polish of the obvious solder and have a look at what might need a solder touch up - then a spray of cleaner to double check... I then put a spray of wd40 on the solder side.. 5 minute per board.
    I've never put anything other than a squirt of wd40 over the boards (but then i'm in an Australia christmas - its summer) - and I just realised I'd left one out all year (my cabling runs in conduit to the base - the REN64 is left in its case all year). The damage was minimal, but only required this basic treatment and its working find now.
    The RJ45 conacts are (should be?) gold - so a gentle rub with some steelwool seems to bring them up.
    Hope this helps - its what I do and seems to work.

    edit: I just found an RJ45 male lead end that I'd accidently left submerged in the dirt for a year.. I just ran the wire scrubber of the dremel over its contacts (at slow speed or it will melt the plastic - lesson learnt "hardway") and its good as gold (pun intended).

    Didn't see your location - but this works for me in Australia. *shrug* hope it helps you.
    Mike
    Melbourne, Australia.

  3. #3
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    Default Re: Repair or Replace SSRs

    I am in the suburbs of Chicago. Our weather during the Christmas season can be a bit harsh. The temperature range is between -10 and 50F and we get plenty of rain, sleet and snow.


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  4. #4
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    Default Re: Repair or Replace SSRs

    Ahh.. OK then... Better ignore my advice!

    Excuse me as I put some sunscreen and sunglasses on to finish putting my lights on... its 08:30 and its expected to be a hot 31oC day today... it'll be damn hot on the ladder today... better make sure I have beer in the fridge.
    (oops.... sorry - what was that about rain, sleet and snow you talk of?!)


  5. #5
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    Default Re: Repair or Replace SSRs

    Rklarman, I'm in the burbs also, crystal lake, , love to swing by your house sometime and see your display
    Flash Flash Blink Blink,,Oh What A Relief It Is

  6. #6
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    Default Re: Repair or Replace SSRs

    I place my SSR’s in plastic grocery bags. The only time I had issues was one year when the squirrels kept stealing them.
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  7. #7
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    Default Re: Repair or Replace SSRs

    You have lots of flux on the boards - you should clean that off as it will help hold water/condensation on the board. Once clean, you can shoot the back of them with some conformal coating spray.
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