Figure 7.36 Installing the Circulation Fan
2.
Turn on the power supply and set o4-03 to 0 to reset the Maintenance Monitor circulation fan operation time.
u
Drive Cooling Fan Replacement: Models 4o0477 and 4o0590
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. 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 has cooled down.
NOTICE: Prevent Equipment Damage. Follow cooling fan and circulation fan replacement instructions. Improper fan replacement could
cause damage to equipment. Follow the instructions and replace the entire unit when replacing the cooling fan.
n
Removing the Cooling Fan Unit
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.
1.
Loosen the 9 screws that hold drive cover 1 in place and free it from the drive.
A –9 screw locations
Figure 7.37 Loosen the Screws and Remove Drive Cover 1
2.
Loosen the 9 screws that hold the terminal cover in place and free it from the drive.
7.4 Drive Cooling Fans
438
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual
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