Thetford C-402C Fuse Location

Discussion in 'Port-A-Potties / Cassette Toilets / Bath Houses' started by hpka, Jun 30, 2020.

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  1. hpka

    hpka New Member

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    Please let me be clear, I've Googled this, searched here and read some results, looked in the manual, looked at multiple YouTube videos (here's one), checked Google Images and I'm still stuck.

    I have a Thetford C-402C toilet installed in my 2011 Rockwood Freedom 2280BH. Here are some photos of the tank slot/cavity/locker.

    For the life of me, I cannot see or find the fuse that I know to be included on these. Many have said it's on the left side of the wall (nothing) or the roof of the slot (if it's there I can't see it).

    In my specific case, can anyone point it out to me? Bonus points if someone takes one of those images an applies a helpful red arrow.

    Thanks
     
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  2. Sjm9911

    Sjm9911 Well-Known Member Gold Supporting Member

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    Look inside the pup, look for an acess hatch or door. Some dont open easy and theee a pita to get at. Mine was a pump model, so im going off memory of what i read.
     
  3. hpka

    hpka New Member

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    From this diagram it could be located about 2/3 of the way into the slot (right beside the waste outlet from above, gloves required then). When I can get down to the camper again I'll check, but does this sound familiar to anyone?
     
  4. Sjm9911

    Sjm9911 Well-Known Member Gold Supporting Member

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  5. Sjm9911

    Sjm9911 Well-Known Member Gold Supporting Member

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  6. SteveP

    SteveP Well-Known Member Platinum Supporting Member

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    If you go back to HPKA's diagram, the "Reed switch housing," #30, appears to be missing from your cassette tunnel. The fuse mounts into the reed switch housing.
     
  7. Thorofin

    Thorofin New Member

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    I have no idea where the fuse is, but the pictures were super helpful. I'm reassembling one of these in my Aliner's Wet Bath, and there were a couple of parts I wasn't sure about.
     
  8. hpka

    hpka New Member

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    I'm not sure but that housing might be here. I don't have a clearer photo at the moment but the shape appears to match from what I can see. Will check next chance I get.
    2020-06-30 16_32_27.png
    Getting hopeful I can find it!
     
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  9. SteveP

    SteveP Well-Known Member Platinum Supporting Member

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    Blew up the pic and that looks right. See if you can pry that small panel out, the fuse should be on the backside.
     
  10. hpka

    hpka New Member

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    Went down last night and found it where we thought it was. It wasn't necessary to remove the panel, I just reached in with a gloved hand and found a standard 3amp ATO blade fuse. Put a new one in there to replace the blown one, will test it this weekend.

    Here's an annotated image for anyone else looking
     

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  11. Anthony Hitchings

    Anthony Hitchings Well-Known Member Silver Supporting Member

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    in the photo - which way is UP ?
     
  12. hpka

    hpka New Member

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    Top of photo is up
     
  13. ShaneSD

    ShaneSD New Member

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    Thanks for completing the thread by posting up the success story photo. I was looking through the manual and the assembly drawings and they are useless. This pic is exactly what I needed.

    Was the fuse blown when you pulled it out? Did swapping it fix the issue?
     

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