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. 1

    Inspect the R+ and R- lines for any physical damage, breaks, or loose connections along their entire path.

  2. 2

    Verify the continuity of the R+ and R- lines using a multimeter.

  3. 3

    Check any external devices or sensors connected to the R+/R- lines for proper operation and correct wiring.

  4. 4

    Ensure proper shielding and grounding for these lines to prevent electrical interference, if applicable.

Browse all codes in this manual (37)
Verified technical data. Last updated: March 2026

Related Faults