YASKAWA GA800 Maintenance & Troubleshooting page 51

Ac drive for industrial applications, three-phase 200/400 v class: 1 to 150/600 hp, 6-phase/12-pulse 400 v class: 75 to 600 hp

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A - Screw position A

B - Screw position B

Connect the fan cable to the fan connectors.

A - Fan unit

B - Fan connectors

Install the drive cover.

Energize the drive and set o4-03 = 0 [Fan Operation Time Setting = 0 h] to reset the fan operation time.

Circuit Board Cooling Fan Removal

Remove the drive cover before you start this procedure.

CAUTION! Crush Hazard. Loosen the cover screws. Do not fully remove them. If you fully remove the cover screws, the terminal

cover can fall and cause moderate injury.

YASKAWA TOEPYAIGA8001B GA800 Drive Maintenance & Troubleshooting

C - Fan unit

Figure 1.57 Slide the Fan Unit

C - Fan cable

Figure 1.58 Connect Cooling Fan Connectors

1.4 Replace Cooling Fans and Circulation Fans

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Troubleshooting