Slack wire
Kone · CMXC-022 Frequency Control Upgrade Kit
What does 83 mean?
The slack wire function has been activated, indicating that the hoisting wire or chain has lost tension. This is a safety mechanism implemented by the R&M Materials Handling Frequency Converter to prevent damage to the wire, drum, or load.
Common Causes
- Slack wire function is active
Repair Steps & Checklist
Click steps to track your progress.
- 1
Inspect the entire hoisting mechanism (hoisting wire/chain, drum, pulleys, load path) for actual slack, obstructions, or the load resting on a surface causing loss of tension.
- 2
Verify the physical condition, alignment, and proper mechanical actuation of the slack wire limit switch or sensor.
- 3
Check all wiring connections from the slack wire sensor to the Kone CMXC-022 Frequency Converter for looseness, damage, or disconnections.
- 4
Verify the digital input status for the slack wire function in the frequency converter's diagnostic menu and confirm relevant parameters are correctly configured.