n
Installing 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.
Reverse the procedure described above to install the replacement cooling fan unit.
Note: 1. Replace the whole unit when performing maintenance on the cooling fans.
2. Do not pinch the fan cable between parts when reassembling the fan unit.
3. Tighten the screws firmly so they do not come loose.
Figure 7.52 Installing the Cooling Fan Unit
2.
Turn on the power supply and set o4-03 to 0 to reset the Maintenance Monitor circulation fan operation time.
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Removing the Control Board Cooling Fan Unit
1.
Unplug the relay connectors and free the cable from the control board cooling fan unit.
Figure 7.53 Unplug the Relay Connectors
2.
Loosen the 4 screws, then slide the control board cooling fan unit and carefully pull it out.
7.4 Drive Cooling Fans
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual
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7
Periodic Inspection &
Maintenance
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