New AC110 making noise

  • We are currently upgrading MFK. thanks! -neo
I'm sure you have nothing to worry about. Out of the hundreds that are kept by people here it's really no surprise that I would be the one thats having problems with them.
 
Thanks, tomorrow I'll setup my other one and see if will operate quietly at full flow. If it works fine then I'll throw the reduced flow one on the 55g.
 
Snake_Eyes;910568; said:
So last night I got the new ac110 up and running and I noticed that there was an grinding sound coming from it, the sound comes and go's every couple minutes (or so) so after about a half hour of this I took out the propeller and put it back together again and started it up. Same thing again but I noticed that if I have the flow fully reduced that it doesn't make any noise. :confused:

Any thoughts on whats going on?

i had the same problem i bought 6 from drs foster and smith and all of them did it:irked:
 
higher price tags and more problems...what's going on Hagen?
 
MonsterFishOwner;911602; said:
i had the same problem i bought 6 from drs foster and smith and all of them did it:irked:

Wow that sucks although it's nice to see I'm not the only one with the AC curse. :(

I am glad that I went thru Petsmart and not Dr. F&S, at least this way I don't have to worry about shipping anything back I can just go down to the local Petsmart and get credited back or get the filter exchanged.
 
The only problem I have ever had was sand particle in with the impeller making a grinding sound. But, you say that you are gravel. ???????
 
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