8 Maintenance
EN 28 YASKAWA Europe TOMP_C710606_75A V1000 IP66 - Quick Start Guide
7. Attach the new fan to the bracket. Make sure the airflow direction is upwards with mounted fan.Then fix the bracket to the IP66 enclosure
and connect the fan cable to the connector on the drive.
8. Reattach the IP66 front cover as described in Reattaching the Front Cover on page 10.
9. Switch on the power supply. The drive should start up normally without showing an error.
Replacement of the external cooling fan
Should the external cooling fan be broken (fan stopped or drive tripped with “oH” fault) replace it following the instructions below.
1. Shut down the power supply to the drive wait 5 min. for DC bus capacitors to discharge.
2. Remove the IP66 front cover as described in Removing the Front Cover on page 9.
3. Make sure the charge LED on the drive has gone off.
4. Unplug the external fan cable connector (2 wires, left side connector) from the drive. Cut cable ties that fix the fan cable.
5. Remove the fixing screws of the external fan, then remove the fan and pull the fan cable including the grommet out of the box.
6. Route the cable of the new fan through the fan cable hole and press in the grommet that is fixed to the fan cable into the fan cable hole.
7. Fix the fan. Make sure the airflow direction is upwards with mounted fan.
8. Fix the fan cable inside the box using cable ties and plug the fan cable into the connector on the drive.
9. Reattach the IP66 front cover as described in Reattaching the Front Cover on page 10.
10. Switch on the power supply and confirm correct operation of the fan.
Air flow
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