Periodic Inspection and
Maintenance
8
8.4 Replace a Cooling Fan and Circulation Fan
SIEPYEUOQ2A01A AC Drive Q2A Technical Manual 311
8.4 Replace a Cooling Fan and Circulation Fan
To replace a cooling fan or circulation fan, contact the manufacturer or your nearest sales representative. Pay
attention to the safety instructions.
◆ Replace a Fan (Models 4007 to 4012)
WARNING! Electrical Shock Hazard. Do not examine, connect, or disconnect wiring on an energized drive. Before servicing,
disconnect all power to the equipment and wait for the time specified on the warning label at a minimum. The internal capacitor
stays charged after the drive is de-energized. The charge indicator LED extinguishes when the DC bus voltage decreases
below 50 Vdc. When all indicators are OFF, remove the covers before measuring for dangerous voltages to make sure that the
drive is safe. Failure to obey will cause death or serious injury.
CAUTION! Burn Hazard. Do not touch a hot drive heatsink. De-energize the drive, wait 15 minutes minimum, and make sure
that the heatsink is cool to replace the cooling fans. Failure to obey can cause minor to moderate injury.
NOTICE: Follow cooling fan replacement instructions. Replace all fans when performing maintenance to help ensure maximum
useful product life. Improper fan replacement could cause damage the drive.
■ Remove a Fan
1. To remove the fan finger guard from the drive, push the hooks on the left and right sides of it and pull up.
A - Fan finger guard
Figure 8.1 Remove the Fan Finger Guard
2. Pull the cooling fan straight up from the drive. Disconnect the power supply connector and remove the fan
from the drive.
A - Cooling fan
Figure 8.2 Remove the Cooling Fan
■ Install a Fan
Reverse the removal procedure to install a cooling fan.
1. Connect the drive and the fan connector.
Figure 8.3 Connect Connector
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