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MGC+ Hardware and Installation Manual
5-17
6. Remove the fan.
7. Position the replacement fan correctly on the rear panel.
8. Tighten the four screws on the Fans front panel that secure the fan.
9. Insert the connector to its place in the Fans panel and ensure that the
panel mount locks are locked.
10. Connect the two connectors of the power supply cable.
11. Reposition the fans cover panel on the rear panel and tighten the six
screws to secure the fan cover to its place.
12. Connect the AC power cable to the MCU and turn on the MCU. Check
the fan is working correctly.
Replacing the Main Control Module
The Main Control Module is not hot swappable. Use the following procedure
for both the MGC+100 and the MGC+50 to replace the Main Control
Module:
1. Exit the MGC Manager application, as described in the MGC Manager
User’s Guide.
2. Switch off the main power switch on the rear panel and disconnect the
power cord from the power source.
3. Unscrew the four screws on the front panel of the MGC+ that secure the
Main Control Module.
4. Use the silver plastic ejectors to pull the Main Control Module out of its
slot in the Backplane.
5. Carefully slide the Main Control Module out through the front panel.
6. Slide in the replacement Main Control Module.
7. Push the Main Control Module firmly into the Backplane making sure it
is properly seated in its slot.
8. Tighten the four screws on the front panel of the MGC+ that secure the
Main Control Module.
9. Reconnect all internal cables to the Main Control Module.
10. Close the cover of the Main Control Module on the rear panel of the
MGC+.