156 MaintenanceFansThe lifespan of the cooling fans of the drive depends on the running time, 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 fanreplacement.Replacement fans are available from ABB. Do not use other than ABB specified spareparts. Replacing the cooling fan in the auxiliary control cubicleWARNING! Obey the instructions in chapter Safety instructions. If youignore them, injury or death, or damage to the equipment can occur.1. Stop the drive and do the steps in section Electrical safety precautions (page 19)before you start the work.2. Remove the shrouding from in front of the fan.3. Unplug the power supply cable of the fan.4. Remove the fastening screws of the fan.5. Install the new fan in reverse order.
