EN 28 YASKAWA Europe TOEP C710606 75B - AC Drive V1000 IP66 - Quick Start Guide8 Maintenance8 MaintenanceSome models are equipped with internal stirring fans and external cooling fans. This section describes how to replace those fans if required. Cooling Fan Spare Part NumbersWhen replacing fans use YASKAWA spare parts listed in the table below only. Replacing the Internal Stirring FanShould the internal stirring fan be broken a “FAn” error will be triggered in the drive. In this case replace the fan as described 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 internal fan cable connector (3 wires, right side connector) from the drive.5. Unmount the stirring fan holding bracket (2x M4 screws) with the fan.6. Unmount the fan from the holding bracket (2x M3 screws).ModelCIMR-VCCooling fans fittedInternal Stirring Fan External Cooling FanBA0001 - -BA0002 - -BA0003 - -BA0006 - -BA0010 EUOP-V91003 -BA0012 EUOP-V91003 -4A0001 - -4A0002 - -4A0004 - -4A0005 - -4A0007 - -4A0009 - -4A0011 EUOP-V91003 -4A0018 EUOP-V91003 EUOP-V910044A0023 EUOP-V91003 EUOP-V910044A0031 EUOP-V91003 EUOP-V910044A0038 EUOP-V91003 EUOP-V91004Air flowS1 S2 S3 S4 S5 S6 SC HC H1 H2 RPR+ R- S+ S- IGP1 P2 PC A1 A2 +V AC AM AC MPMA MB MCUnplug this connectorRemove these two M4 screws to unmountthe bracket that is holding the stirring fan.Remove these two M3 screws tounmount the fan from the bracket.