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7.4 Cooling Fan and Circulation Fan
YASKAWA ELECTRIC
SIEP C710636 02B YASKAWA U1000 Technical Manual
421
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7
Installing the Control Board 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 and cause an injury. Take special care when removing and reattaching the terminal covers for larger
drives.
1.
Reverse the procedure described above to install the replacement control board cooling fan unit.
Note: 1.
Replace the whole unit when performing maintenance on the control board 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 7.55
Figure 7.55 Installing the Control Board Cooling Fan Unit
2.
Turn on the power supply and set o4-03 to 0 to reset the Maintenance Monitor control board cooling fan
operation time.
SIEP_C710636_02B_1_0.book 421 ページ 2015年11月25日 水曜日 午後4時56分