Pothole Guard Fault

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A fault has been detected in the pothole guard system, compromising its ability to operate correctly. This fault disables both lifting and driving functions for safety.

• Pothole guard sensor malfunction or system failure.
• Pothole guard circuit open or shorted.
• Mechanical damage preventing pothole guard deployment or retraction.

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1. 1

   Inspect the pothole guard mechanism for physical obstructions, damage, or excessive wear that might prevent its free movement or proper deployment/retraction.

2. 2

   Check all electrical wiring and connections to the pothole guard sensors and actuators for looseness, damage, or corrosion.

3. 3

   Verify the status of the pothole guard position sensors via the Kone Kone Elevator Control's diagnostic interface or I/O status screen, confirming their accurate state.

4. 4

   Measure the supply voltage at the pothole guard actuator terminals to ensure it matches the specified nominal voltage according to the wiring diagrams.