10 PREVENTIVE AND CORRECTIVE MAINTENANCE
3BHS212794 E01 REV M ACS6000 USER MANUAL 256/278
10.4.11 Visual checks on the drive
Check the drive and its immediate vicinity visually at the intervals stated
in "ACS6000 preventive maintenance schedule" (3BHS855273 E01) and pay
attention to the following items:
• Humidity inside the drive
• Permitted range of ambient air temperature and humidity of
the drive
• Dust built-up inside the drive
• Appropriate fastening of cables and wires and connections of cable
shields and screens
• Integrity of cable insulation
• The outer cable sheath must not be damaged.
• Signs for overheated components, wires, cables or busbars
• Corrosion on electronic circuit boards, connectors or busbars
• Correct type of signal and power supply cables
Note: For more information, see the applicable cable specifications.
10.4.12 Cleaning
10.4.12.1 Cleaning the drive cabinet
When cleaning the drive cabinet, mind the following:
• To keep dirt out, cover the equipment or assemblies.
• Take electrostatic-sensitive precautions and use suitable tools to
prevent electrostatic discharge.
• To prevent damage, use antistatic brushes and a vacuum cleaner
with a soft nozzle to carefully clean circuit boards with special care.
• Remove dust from assemblies and busbars inside the cabinet with
a vacuum cleaner and lint-free cleaning cloths.
• Remove water, oily or greasy deposits on assemblies, components
and busbars with water- and oil-absorbing microfibers.
▲NOTICE
Risk of component damage!
Dust and moisture on electrical components and wiring can cause failure
and damage the components as well as the loss of low-level signals on
loose connections.
• Check the cabinet regularly for signs of dust and humidity and clean
if necessary.
• Use appropriate and recommended cleansing agents.
• DO NOT use alcohol and solvents.
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