D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
2-22
Kaaaw sk
2.6.3 MC UNIT FAN
1. Turn OFF the control power.
2. Remove the two screws at the bottom of the MC unit (1 and 2 in figure below) and pull out
the plate. Remove the connecter connected to the 1KQ board and remove the fan unit.
3. Remove the four screws fixing the fan and remove the fan.
4. Attach the new fan to the plate with the four screws. Be sure to reattach the fan correctly;
wind blows top to down.
5. Restore the connector removed in step 2, and attach the plate to the MC unit with the two
screws.
1K
Q
board MC unit
2
1
Four screws for
fixing the fan
Connector