Kollmorgen - December 2011 245
MMC Smart Drive Hardware Manual - MAINTENANCE AND TROUBLESHOOTING
10 Maintenance and Troubleshooting
10.1 Maintenance
• Remove superficial dust and dirt from the drive.
• Check cable insulation and connections.
• Clean exterior surfaces and airflow vents using an OSHA approved nozzle that
provides compressed air under low pressure of less than 20 kPa (30 psi).
• Visually check for cable damage. Replace all damaged cables.
• Inspect D-shell connectors for proper seating and signal continuity end-to-end.
WARNING
Disconnect input power before touching cables or
connections.
DC bus capacitors may retain hazardous voltages af-
ter input power has been removed.
Before working on the drive, measure the DC bus
voltage to verify it has reached a safe level.
Failure to observe this precaution could result in se-
vere bodily injury or loss of life.
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