Periodic Inspection and
Maintenance
7
7.4 Replace a Cooling Fan and Circulation Fan
YASKAWA ELECTRIC SIEP C710617 05F YASKAWA AC Drive GA700 Technical Manual 427
4. Put the fan unit into the specified location and use screws to safety it to the drive.
Tighten the screws to a tightening torque of 1.96 N∙m to 2.53 N∙m (17.35 lb.∙in. to 22.39 lb.∙in.).
5. Connect the fan cable to the fan connector.
A - Fan unit
B - Fan connector
C - Fan cable
Figure 7.54 Connect Cooling Fan Connectors
6. Reattach the drive cover.
7. Energize the drive and set o4-03 = 0 [Fan Operation Time Setting = 0 h] to reset the cooling fan operation
time.
■ Remove the Circuit Board Cooling Fan
Remove the drive cover.
CAUTION! Crush Hazard. Only loosen the cover screws. Do not fully remove the cover screws. Make sure that the covers do
not fall. Missing cover screws can cause the cover to fall and cause injury.
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