noisy maxi jet 400

[reef kid96]

I have a maxi jet 400 powering my phosban reactor and it is make a loud screeching noise does anyone know how to make it stop?:bounce3::fish1:

 

[6rotorguy]

Have you taken a look at the impeller? They can get pretty noisy.

 

[reef kid96]

i just did about 1 hour ago it seams fine.

 

[6rotorguy]

Do you have another impeller to try with it? If so, give it a shot.