Maintenance 103HeatsinkThe drive module heatsink fins pick up dust from the cooling air. The drive runs intoovertemperature warnings and faults if the heatsink is not clean. When necessary, cleanthe heatsink as follows.WARNING! Obey the instructions in chapter Safety instructions. If youignore them, injury or death, or damage to the equipment can occur.WARNING! Use a vacuum cleaner with antistatic hose and nozzle. Using anormal vacuum cleaner creates static discharges which can damage circuitboards.1. Stop the drive and do the steps in section Precautions before electrical work on page16 before you start the work.2. Remove the drive module from the cabinet. See section Replacing the drive moduleon page 108.3. Undo the attaching screws of the handle plate of the drive module.4. Remove the handle plate.5. Vacuum the interior of the heatsink from the opening.6. Blow clean compressed air (not humid or oily) upwards from the opening and, at thesame time, vacuum from the top of the drive module.7. Reinstall the handle plate.8. Install the drive module back into the cabinet.FansThe lifespan of the cooling fan of the drive depends on the running time of the fan, ambienttemperature and dust concentration. See the firmware manual for the actual signal whichindicates the running time of the cooling fan. Reset the running time signal after a fanreplacement.Replacement fans are available from ABB. Do not use other than ABB specified spareparts.
