Screen Image
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Explanation
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If any of the twistlocks are sensed to be between the fully open or fully closed positions then the Sidelifter arms will be disabled.
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Causes
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- Twistlocks not moved to fully open or fully closed
- Faulty twistlock sensor switch
- Faulty twistlock sensor switch wiring
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Operator Actions
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- Enter Top Lift Frame mode and open or close the twistlocks fully
- Use override code to continue operation
- Request service
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Service Tasks
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- Go to VIEW SENSOR VALUES, VIEW SPECIAL OPTIONS, TOP LIFT FRAME, TWISTLOCKS. Each twistlock states is displayed. Activate the twistlocks and check that the twistlock states change accordingly
- Check the twistlock switches are operating correctly by removing the inspection covers on top of frame corner giving the problem
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