Routine Maintenance and Repair 8-1
DC590+ Series DC Digital Drive
Maintenance
Because of its solid state design, the DC590+ Digital drive has few items requiring service or maintenance. Service is typically a matter of replacing
fuses, checking electrical contacts, and isolating problems in the overall system application.
WARNING
Service procedures must be performed by qualified personnel with an understanding of the dangers inherent in high voltage applications and the
precautions necessary when servicing industrial equipment. The customer is responsible for assessing the technical competency of in-house service
personnel.
Service Procedures
Required Tools and Equipment
Tools needed for routine service operations include basic hand tools — screwdrivers, wrenches, etc.
WARNING
Only qualified service personnel should attempt to repair or replace parts in the 590+.
Isolate the entire 590+ drive from electrical power before attempting to work on it.
Preventive Maintenance
You should perform regular preventive maintenance every six months to ensure long life and continued usefulness of the 590+. Keep the drive and its
components clean, check auxiliary fans if fitted, and make sure connections and mounting bolts have not loosened from vibration.
The control and field wires can be checked by gently attempting pulling the wires out of the terminals. The terminals should hold the wires firmly in
place.
All the remaining wires should be checked with a torque wrench. Refer to Appendix E: "Technical Specifications" - Termination Tightening Torque
tables.
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