YASKAWA U1000 Series Technical Manual page 411

4.
Loosen the three screws, then slide the circulation fan unit up and carefully pull it out.
Figure 7.35
Three-screw locations
Installing the Circulation 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 circulation fan unit.
Note: 1. Replace the whole unit when performing maintenance on the circulation fans.
2. Place the cables back into the hooks to secure.
3. Do not pinch the fan cable between parts when reassembling the fan unit.
4. Tighten the screws firmly so they do not come loose.
Figure 7.36
2.
Turn on the power supply and set o4-03 to 0 to reset the Maintenance Monitor circulation fan operation time.
YASKAWA ELECTRIC SIEP C710636 02B YASKAWA U1000 Technical Manual
Figure 7.35 Removing the Circulation Fan Unit
Figure 7.36 Installing the Circulation Fan Unit
7.4 Cooling Fan and Circulation Fan
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