Rockwell Automation GV3000/SE V.6 Regulator Board 0-56921-6xx, 413338-6BU, 0-56940-6xx, 814.61.00 - Manual (Page 29)

Installing Regulator Board P/N 0-56921-6xx in 1 to 20 HP @ 230 VAC Drives 4-3
Step 3. Remove the Keypad Bracket from the Drive
Step 3.1. Record the wiring to the Regulator board terminal strip.
Step 3.2. Disconnect the wiring from the Regulator board terminal strip.
Step 3.3. Drives with option boards only: Record the wiring connections to the option
board terminals. Disconnect this wiring from the option board terminal strip.
Step 3.4. Use a magnetic screwdriver to remove the three M4 x 10 screws that fasten
the keypad support bracket to the heat sink.
Step 3.5. Disconnect the green-striped ribbon cable from the Regulator board. This
cable is located on the right side of the drive. To disconnect this cable,
insert a small screwdriver inside the cable loop and press in on the
retaining clip in the center of the connector while pulling out the connector.
Refer to figure 4.2.
Step 3.6. Spread the retaining clips on the 26-conductor Regulator board ribbon
cable to disconnect it from the Base board.
Step 3.7. Remove the keypad bracket. Place it with the keypad down on a flat
surface. If you cannot lay it flat, tie it up to prevent damage to the wiring.
Figure 4.2 – Disconnecting the Keypad Ribbon Cable from the Regulator Board