12-2  Routine Maintenance & Repair 
  890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D 
Routine Maintenance 
Periodically inspect the drive for build-up of dust or obstructions that may affect ventilation of the unit. 
Remove this using dry air. 
Repair 
There are no user-serviceable components.   
IMPORTANT  MAKE NO ATTEMPT TO REPAIR THE UNIT - RETURN IT TO PARKER SSD DRIVES. 
Saving Your Application Data 
In the event of a repair, application data will be saved whenever possible. However, we advise you to copy 
your application settings before returning the unit. 
Returning the Unit to Parker SSD Drives 
Please have the following information available: 
•  The model and serial number - see the unit’s rating label 
•  Details of the fault 
Contact your nearest Parker SSD Drives Service Centre to arrange return of the item. 
You will be given a Returned Material Authorisation. Use this as a reference on all paperwork you return 
with the faulty item. Pack and despatch the item in the original packing materials; or at least an anti-static 
enclosure. Do not allow packaging chips to enter the unit.