Maintenance
4
4.1 Replace Cooling Fans and Circulation Fans
YASKAWA TOEPC71061779E GA800
DRIVE INSTALLATION MANUAL 61
Figure 4.47 Install the Fan Unit
5. Attach the cable through the clamps.
A - Clamps B - Fan cable
Figure 4.48 Attach the Fan Cable through the Clamps
6. Install the drive cover.
7. Energize the drive and set o4-03 = 0 [Fan Operation Time Setting = 0 h] to reset the fan operation time.
◆ Fan Replacement (Procedure G)
DANGER
Electrical Shock Hazard
Do not examine, connect, or disconnect wiring on an energized drive. Before servicing, disconnect
all power to the equipment and wait for the time specified on the warning label at a minimum. The
internal capacitor stays charged after the drive is de-energized. The charge indicator LED
extinguishes when the DC bus voltage decreases below 50 Vdc. When all indicators are OFF,
remove the covers before measuring for dangerous voltages to make sure that the drive is safe.
If you do work on the drive when it is energized, it will cause serious injury or death from electrical shock.
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