WARNING!
Use the required personal protective equipment. Wear protective gloves and
long sleeves. Some parts have sharp edges.
WARNING!
Use a vacuum cleaner with antistatic hose and nozzle, and wear a grounding
wristband. Using a normal vacuum cleaner creates static discharges which can
damage circuit boards.
1. Stop the drive and do the steps in section Electrical safety precautions (page 44)
before you start the work.
2. Remove the drive module from the cabinet.
3. Remove the module cooling fan(s). See the separate instructions.
4. Blow dry, clean and oil-free compressed air from bottom to top and simultaneously
use a vacuum cleaner at the air outlet to trap the dust. If there is a risk of dust
entering adjoining equipment, do the cleaning in another room.
5. Reinstall the cooling fan.
Cooling fans
The lifespan of the cooling fans of the drive depends on running time, ambient
temperature and dust concentration. See the firmware manual for the actual signal
which indicates the running time of the cooling fan. Reset the running time signal
after fan replacement.
Replacement fans are available from ABB. Do not use other than ABB-specified spare
parts.
108 Maintenance
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