8.4 Replace a Cooling Fan and Circulation Fan
340 SIEPYEUOQ2A01G AC Drive Q2A Technical Manual
4. Safety the fan cable to the hook.
A - Hook B - Fan cable
5. Reattach the drive cover.
6. Energize the drive and set o4-03 = 0 [Fan.Oper Setting = 0 h] to reset the cooling fan operation time.
◆ Replace Fans (Models 4453 to 4675)
WARNING! Electrical Shock Hazard. 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, measure for dangerous voltages to make sure that the drive is
safe. If you do work on the drive when it is energized, it will cause serious injury or death from electrical shock.
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. Remove the drive cover.
CAUTION! Crush Hazard. Only loosen the cover screws. Do not fully remove the cover screws. Make sure that the
covers do not fall. Missing cover screws can cause the cover to fall and cause injury.
2. Unplug the fan cables from the fan connectors.
A - Fan unit
B - Fan connector
C - Fan cable
Figure 8.48 Circulation Fan Components
3. Loosen the fan unit screws and slide the slide panel to the left.
Note:
To remove the fan unit, it is only necessary to loosen the Screws B.
To Next Page
Loading...
Need help?
General