Used Elliptical I Just Bought A Used Momentum 620 Elliptical, And Noticed That There Were A Few Things Wrong?

I just bought a used Momentum 620 elliptical, and noticed that there were a few things wrong? - used elliptical

Now scheduled for a cause, that the right floor pedal, there are two sounds big bang. And I will try to build strength, as the instructions say to me, and nothing happens.