Cooling fansThe 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 spare parts.■ Replacing the cooling fan in the supply module cubicleWARNING!Read the safety instructions given in Safety instructions for ACS880liquid-cooled multidrive cabinets and modules (3AXD50000048633[English]). If you ignore them, injury or death, or damage to the equipmentcan occur.WARNING!Use the required personal protective equipment. Wear protective gloves and longsleeves. Some parts have sharp edges.Refer to the drawing below.1. Stop the drive and do the steps in section Electrical safety precautions (page 16) beforeyou start the work.2. Open the door to the supply module cubicle.3. Open the swing-out frame.4. Remove the retaining screws of the fan box.5. Disconnect the fan wiring.6. Pull out the fan box.7. Disassemble the fan box to access the fan.8. Install a new fan in reverse order. Note the orientation of the fan box.3468Maintenance 127