"Singing" steppers - delta printer

Rvsh

Hi,

I was using Marlin firmware and the steppers were very quiet - no noise.

I uploaded repetier and when using the printer steppers are very noisy - I would say they are singing when printing.

Is there any solution for this? What should I configure.h to correct stepper singing problem?

Best regards,

Krzysztof

Repetier

Try same acceleration/jerk as with marlin (in eeprom). Singing is normally frequency change from acceleration and if that differs you get different sounds. Apart from this we have the same signals.