YASKAWA CIMR-ZU A Series Programming Manual page 189

Coolin Fan eplacement 2A 1
A NING Electrical Shock Hazard. Do not connect or disconnect wiring while the power is on. Failure to comply can result in serious
personal injury. Before servicing the drive, disconnect all power to the equipment. The internal capacitor remains charged even after the
power supply is turned off. After shutting off the power, wait for at least the amount of time specified on the drive before touching any
components.
CAU ION Burn Hazard. Do not touch a hot drive heatsink. Failure to comply could result in minor or moderate injury. Shut off the power
to the drive when replacing the cooling fan. To prevent burns, wait at least 15 minutes and ensure the heatsink has cooled down.
NO ICE Follow cooling fan and circulation fan replacement instructions. Improper fan replacement may cause damage to equipment. When
installing the replacement fan into the drive, make sure the fan is facing upwards. Replace all fans when performing maintenance to help
ensure maximum useful product life.
emo in and Disassemblin t e Coolin Fan Unit 2A 1
A Fan unit
B Cable lands
Fi ure 2 1 Coolin Fan eplacement 2A 1
1
Remove the terminal cover. Refer to the User Manual packaged with the drive for details on removing the terminal
cover.
Note The number of cover screws differ depending on the drive model.
CAU ION Do not completely remove the terminal cover screws, just loosen them. If the cover screws are removed completely,
the terminal cover may fall off causing an injury.
Fi ure 2 2 Loosen t e Scre s on t e erminal Co er 2A 1
2
Remove the screws on the drive cover then pull forward on the drive cover to free it from the drive.
to 2A 27
A
B
C
D
C Fan cables
D
A 1 to A 2
to 2A 27
B
C
D
elay connectors
to 2A 27 A 1 to A 2
to 2A 27 A 1
2 Dri e Coolin Fans
A 1 to A 2
to A 2
18
2