www.stryker.com 280C-009-002 REV B 1-47
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CONTROL BOARD REPLACEMENT
Tools Required:
• #2 Phillips Screwdriver
• #3 Phillips Screwdriver
• Needle Nose Pliers
• Cutting Pliers
• 3/8” Combination Wrench
Procedure:
1. Raise the bed to the highest position and apply the brakes.
2. Unplug the bed from the wall receptacle.
3. Remove the foot board.
4. Using a #3 Phillips screwdriver, remove the six screws (A) holding the plastic cover to the foot end casing. Grasp
both ends of the cover, move them apart to disengage the inside clips from the round accessory brackets and
remove the cover.
5. Using a #2 Phillips screwdriver, remove the four screws (B) holding the protective plate to the foot end casing.
6. Properly ground yourself (see “Grounding Diagram” page 1-13).
7. Using cutting pliers, cut the cable ties holding together the cables.
Note
• Carefully note the position and the grouping of the cables before clipping the cable ties.
• Ensure Dip Switch settings of the new control board match the ones on the old board.
8. Remove the jumper from W1 on the control board and install it on the new board.
9. Remove all cables connected to the control board. Note their location so they will be connected properly to the new
board. Refer to drawing OL280120, page 1-88, or OL280121, page 1-94, for the connecting position of the cables
on the motor control board.
10. Using a 3/8” combination wrench, remove the nut/screw (C) holding the ground cable to the frame.
11. Using needle nose pliers, pinch the upper part of the stand-off pins and lift the defective board up and out.
12. Using a 3/8” wrench and a #2 Phillips screwdriver, remove the nut/screw (D) holding the ground cables to the board.
13. Reverse the above steps to install the new control board.
14. Test all the bed functions before returning the bed to service.
B
C
C
D
Figure 11
Service Information
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