7.4 Cooling Fan and Circulation FanYASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual 385Periodic Inspection &Maintenance7 Cooling Fan Replacement: 2A0021 to 2A0081 and 4A0007 to 4A0044WARNING! Electrical Shock Hazard. Do not connect or disconnect wiring while the power is on. Failure to comply can result in seriouspersonal injury. Before servicing the drive, disconnect all power to the equipment. The internal capacitor remains charged even afterthe power supply is turned off. After shutting off the power, wait for at least the amount of time specified on the drive before touchingany components.CAUTION! Burn Hazard. Do not touch a hot drive heatsink. Failure to comply could result in minor or moderate injury. Shut off thepower to the drive when replacing the cooling fan. To prevent burns, wait at least 15 minutes and ensure the heatsink has cooleddown.NOTICE: Prevent Equipment Damage. Follow cooling fan and circulation fan replacement instructions. Improper fan replacementcould result in damage to equipment. When installing the replacement fan into the drive, make sure the fan is facing upwards. Toensure maximum useful product life, replace all fans when performing maintenance. Removing the Cooling Fan1. Depress the right and left sides of the fan cover hooks and pull upward. Remove the fan cover from the top of thedrive.Figure 7.3Figure 7.3 Removing the Fan Cover: 2A0021 to 2A0081, 4A0007 to 4A00442. Remove the cooling fan cartridge. Disconnect the pluggable connector and remove the fan.Figure 7.4Figure 7.4 Removing the Cooling Fan: 2A0021 to 2A0081, 4A0007 to 4A0044