u Cooling Fan Replacement: 4A0414This model allows access to the fans from the front of the drive for fan replacement.WARNING! 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 after thepower supply is turned off. After shutting off the power, wait for at least the amount of time specified on the drive before touching anycomponents.CAUTION! Burn Hazard. Do not touch a hot drive heatsink. Failure to comply could result in minor or moderate injury. Shut off the powerto the drive when replacing the cooling fan. To prevent burns, wait at least 15 minutes and ensure the heatsink has cooled down.NOTICE: Follow cooling fan and circulation fan replacement instructions. Improper fan replacement may cause damage to equipment. Wheninstalling the replacement fan into the drive, make sure the fan is facing upwards. Replace all fans when performing maintenance to helpensure maximum useful product life.n Removing and Disassembling the Cooling Fan Unit1. Remove the terminal cover and front covers 1 and 2.2. Remove the fan connector (CN6). AFECBGDHA – Fan unitB – Circulation fan unitC – Circulation fanD – Circulation fan relay cableE – Fan relay cableF – Fan connector (CN6)G – HookH – Fan connector (CN7)Figure 7.27 Component Names: 4A04143. Remove the circulation fan relay cable from the hook. Remove the fan connector (CN7).4. Remove the screws holding the fan units in place and slide the fan units out of the drive.Figure 7.28 Remove the Fan Unit: 4A04145. Remove the fan guard and circulation fan casing. Replace the cooling fans.7.4 Drive Cooling FansYASKAWA SIEP YAIP1U 01C AC Drive - P1000 Technical Manual 3597 Periodic Inspection &Maintenance