19
R+/R- Line-off Protection
Kone · Frequency Inverter
What does 19 mean?
This error indicates a disconnection or a break in the R+ and R- lines, which are typically used for a specific control, communication, or safety circuit within the system. Loss of signal on these lines can disrupt critical functions or safety interlocks.
Common Causes
- Physical break or loose connection in the R+ and R- wiring.
- Faulty external component connected to the R+/R- lines.
- Electrical interference affecting the signal integrity on these specific lines.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Inspect the R+ and R- lines for any physical damage, breaks, or loose connections along their entire path.
- 2
Verify the continuity of the R+ and R- lines using a multimeter.
- 3
Check any external devices or sensors connected to the R+/R- lines for proper operation and correct wiring.
- 4
Ensure proper shielding and grounding for these lines to prevent electrical interference, if applicable.
Verified technical data. Last updated: March 2026
Related Faults
Source: Kone Frequency Inverter