Jebao DMP-65 whirring

[TheBos]

Hi all,

I have two jebao dmp-65’s and although one is completely silent, I can’t for the life of me figure out why the other one is making such rattling noise. It’s definitely the motor/dry side and I’ve taken it apart to see if there’s anything going on, but can’t figure it out.

Pump is properly aligned too.

I’ve attached a small video.

Anybody got something similar and know what’s going on?

This is the second dry side already as the supplier has sent a replacement but this one also rattles.

 

[Rocks reef]

Did you grease the impeller shaft? Molykote works well

 

[TheBos]

No but it they other pump I have is also not greased and is super quiet…

 

[Th0rn]

No but it they other pump I have is also not greased and is super quiet…

Did you ever figure this out?

 

[tautog83]

Im having same issue with the wifi version..i got a replacement dry side and it helped but im still getting a n audible noise at 30%

 

[Acrononomus]

Do u have a video of the quiet one running ?