REC 3838 4-10
4.3.7 Front Panel Replacement
To replace the controller front panel door, proceed as indicated below.
Fiberglass Enclosure
1. Turn off power at mains.
2. Disconnect the cables (display board, display module ribbon, and pot/switch)
attached to the front door. See Figure 4-5.
3. Using a drive pin, force the hinge pin up from the bottom until it can be
grasped with a pliers and removed from the controller enclosure door.
4. Remove the front panel door.
5. Remove the display board and display module from inside the front panel
door.
6. Remove the nut(s) securing any externally mounted potentiometers. Also
remove switch boot covers securing electronic and conveyor power switches.
7. Remove the pot/switch bracket from the inside of the door. See Figure 4-5.
8. Discard the old front panel door.
9. Fit the controller's new front panel door and insert the hinge pin.
10. Re-install all hardware in reverse order.
11. Reattach cables.
12. Close controller enclosure door.
13. Reapply power to electronics and verify proper operation.
Stainless Steel Enclosure
1. Turn off power at mains.
2. Open the controller enclosure door (Figure 4-5).
3. Disconnect display module cable and remove display module (Figure 4-5).
4. Disconnect display board ribbon and remove display board (Figure 4-5).
5. Carefully peel front panel off enclosure (Figure 4-5). If front panel cannot be
safely removed, a solvent may be used to help peel the panel off.
6. Peel protective paper off back of new front panel.
7. Mount new front panel on enclosure in same position as old panel.
8. Install display module and connect cable.
9. Install display board and connect ribbon.
10. Close controller enclosure door.
11. Apply power to electronics and verify proper operation.
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