7.4 Cooling Fan and Circulation Fan
Periodic Inspection &
Maintenance
7
YASKAWA ELECTRIC SIEP C710616 35D YASKAWA AC Drive E1000 Technical Manual 315
◆ Cooling Fan Replacement: 4A0414
WARNING! Electrical Shock Hazard. Do not connect or disconnect wiring while the power is on. Failure to comply can result in serious
personal injury. Before servicing the drive, disconnect all power to the equipment. The internal capacitor remains charged even after
the power supply is turned off. After shutting off the power, wait for at least the amount of time specified on the drive before touching
any components.
CAUTION! Burn Hazard. Do not touch a hot drive heatsink and a fan unit. Failure to comply could result in minor or moderate injury.
Shut off the power to the drive when replacing the cooling fan. To prevent burns, wait at least 15 minutes and ensure the heatsink and
the fan unit have cooled down.
NOTICE: Prevent Equipment Damage. Follow cooling fan and circulation fan replacement instructions. Improper fan replacement
could result in damage to equipment. When installing the replacement fan into the drive, make sure the fan is facing upwards. To
ensure maximum useful product life, replace all fans when performing maintenance.
■ Removing and Disassembling the Cooling Fan Unit
1. Remove the terminal cover and front cover 1 and 2.
CAUTION! Crush Hazard. Do not completely remove the cover screws, just loosen them. If the cover screws are removed
completely,the terminal cover may fall off causing an injury. Take special care when removing/reattaching the terminal covers for larger
drives
2. Remove the fan connector (CN6).
Figure 7.26
Figure 7.26 Component Names: 4A0414
3. 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 7.27
Figure 7.27 Removing the Fan Unit: 4A0414
A – Fan Unit E – Fan Relay Cable
B – Circulation Fan Unit F – Fan Connector (CN6)
C – Circulation Fan G – Hook
D – Circulation Fan Relay Cable H – Fan Connector (CN7)
A
F
E
C
B
G
D
H
SIEP_C710616_35.book 315 ページ ２０１５年１１月３０日 月曜日 午後２時２分
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