Periodic Inspection and
Maintenance
8
8.4 Replace a Cooling Fan and Circulation Fan
SIEPYEUOQ2A01A AC Drive Q2A Technical Manual 317
3. Put the cable in the recess of the drive.
A - Front of drive
Figure 8.18 Put the Cable in the Drive Recess
4. Push the hooks on the left and right sides of the fan finger guard and click it into place on the drive.
Figure 8.19 Reattach the Fan Finger Guard
5. Energize the drive and set o4-03 = 0 [Fan.Oper Setting = 0 h] to reset the cooling fan operation time.
◆ Replace a Fan (Models 4044 to 4075)
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 tabs on the left and right sides of it and pull up the
back side of the guard.
A - Fan finger guard
Figure 8.20 Remove the Fan Finger Guard
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