73
Both Direction Commands Active
Kone · CMXC-022 Frequency Control Upgrade Kit
What does 73 mean?
Both direction commands (S1 and S2) are detected as active simultaneously by the R&M Materials Handling Frequency Converter. This is a critical safety fault, indicating a malfunction in the control circuit or the pendant controller that could lead to conflicting motor commands.
Common Causes
- S1 and S2 control signals are active at the same time
- Fault in the control circuit or pendant controller
Repair Steps & Checklist
Click steps to track your progress.
- 1
Check and repair the control circuit wiring
- 2
Check or replace the pendant controller
Verified technical data. Last updated: March 2026
Related Faults
Source: Kone CMXC-022 Frequency Control Upgrade Kit