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TROUBLESHOOTING
1-9August 9, 2005
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
K
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1KX/1NX Mother Board
1KA Main CPU Board
Display Device
Teach Pendant
Input
Keys
Figure 1-3 1KA/Teach Pendant Communication
Main causes include:
1. Interruption in data communication between the teach pendant and the 1KA board.
2. Defective LCD panel, circuit board, or other internal teach pendant components.
3. Defective 1KA or 1KX/1NX boards.
4. Disconnected or short-circuited teach pendant cable.
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Ensure the teach pendant cable is properly connected to the controller.
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Replace the teach pendant cable.
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Replace the teach pendant.
⇒
Replace the 1KA or 1KX/1NX boards.