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Unread 07/18/2018, 04:27 PM   #1
tom obrecht
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Join Date: Oct 2004
Location: WI
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6105 problem

I currently run 4 6105's on my display and have had issues with locking up impellers. They operate normally until they just stop as if they are calcified so I remove the stopped PH, soak in vinegar overnight, reassemble and nothing! I have tried a different motorblock assembly and still nothing. I resoak, clean again...still no luck. This has happened 2 times now! Now I'm down 2 powerheads! They are the newer models (with attached controller) so they are not ancient. Is this an impeller issue, user error or something else? Any help would be appreciated!


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Unread 07/19/2018, 08:23 AM   #2
rvitko
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Hi Tom,

My list of what to check.

1) The metal shafts must be rigidly fixed in the pump, they should not come out.

2) The hole in the middle of the drive unit and the shaft are the key areas of binding which must be clean. It is critical to remove the drive unit before any soaking in order for these tight spaces to be cleaned.

3) Check that disk 3005.740 is installed and is not upside down, slotted side of black plastic disk faces up.

4) Does the controller exhibit any unusual lights, for example all mode lights blinking?

5) Do the power supplies light up?


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Roger Vitko
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Current Tank Info: 210 gallon planted tank with Altum Angelfish
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Unread 07/19/2018, 08:07 PM   #3
tom obrecht
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As we spoke on the phone today, I pulled the shaft from the impeller cleaned both, reset shaft and bingo! Working perfectly!!! Thanks Roger!


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Unread 07/20/2018, 08:11 AM   #4
rvitko
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Thank you for the update.


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Roger Vitko
Tunze USA

"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"

Current Tank Info: 210 gallon planted tank with Altum Angelfish
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