Dophin c2400 maintenance question - air in system

Discussion in 'General Equipment discussion' started by dhameer, Oct 29, 2022.

  1. dhameer

    dhameer

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    Hi there

    I purchased a Dophin C2400 filter a month back. I opened it up to clean the sponges, media etc. I closed it back up and filled water but when I switch it on, I can hear air in the system and even after a few minutes I can still hear it making a loud noise. I did not touch the impeller during cleaning, I just done the trays.


    Can anyone please explain the process I should follow after cleaning the filter to avoid this on the c2400? Unfortunately the filter did not come with a manual and I can't seem to find one online either.

    It is very heavy when filled up :)
     
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  3. Whoknows

    Whoknows Moderator

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    There should be a primer on top of the filter. You'll need to prime it again then should stop
     
  4. OP
    dhameer

    dhameer

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    Unfortunately there is no primer on this one. It's not like the c1600 that has the big pump button that you can press
     
  5. Whoknows

    Whoknows Moderator

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    What you could try then is remove the output tap and put tank water into it until it over flows. Might work
     
  6. Blade

    Blade

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    With my cannisters I would put hand on top and shake it round a bit till all air is out, if one see's ho it is built inside one would understand the air locks it creates, even the priming ones have this problem, just give it a good shake till all air is out, also check your pipes. it may be drawing in air somewhere.
     
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  7. Reedfish

    Reedfish Moderator

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    If you gently shake the filter, the air trapped inside should escape
     
  8. OP
    dhameer

    dhameer

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    Turned out that the impeller was broken. Brand new filter too. All sorted now
     
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