Gus, I am sorry to say that there have been a multitude of problems with the PC 890 series routers. PC has redesigned the plunge base completely and reworked the fixed base. You can view the information about these problems in the forums news section. If this unit is brand new I would return it. The updated models will be hitting the store shelves in the near future. I have had excellent results with other PC products and would suggest checking them out or switching to a different brand.