Periodic Inspection and Maintenance
8
8.4 Replace Cooling Fans and Circulation Fans
YASKAWA SIEPC71061737B GA800 Drive Technical Reference 413
5. Connect the fan cable to the fan connector.
A - Fan unit
B - Fan connector
C - Fan cable
Figure 8.67 Connect Cooling Fan Connectors
6. Install 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 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.
1. Unplug the fan cables from the fan connectors.
A - Fan cable
B - Circuit board cooling fan unit
C - Relay connector
Figure 8.68 Components
2. Loosen the circuit board cooling fan unit screws and slide the circuit board cooling fan unit up.
Note:
To remove the fan unit, it is only necessary to loosen the screws.
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