Pothole Guard Fault
Kone · Elevator Control
What does 18 mean?
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.
Common Causes
- Pothole guard sensor malfunction or system failure.
- Pothole guard circuit open or shorted.
- Mechanical damage preventing pothole guard deployment or retraction.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Inspect the pothole guard mechanism for physical obstructions, damage, or excessive wear that might prevent its free movement or proper deployment/retraction.
- 2
Check all electrical wiring and connections to the pothole guard sensors and actuators for looseness, damage, or corrosion.
- 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
Measure the supply voltage at the pothole guard actuator terminals to ensure it matches the specified nominal voltage according to the wiring diagrams.