(Controller menu-driven; parameters and units vary by firmware version.)

Always document final parameter settings and store in site file.


Schindler protects its technical documentation to ensure only qualified personnel access it. However, legitimate avenues include:

⚠️ Warning: Avoid generic manual aggregators. The QKS 14 underwent several PCB revisions (A, B, C versions). Using the wrong revision manual will misinform about jumper settings and LED diagnostics.

Manual solution: This is often a failed brake release. The manual’s brake test procedure (Section 8.3) directs you to measure resistance across the brake coil (should be 180-220 ohms). Out of spec indicates a failing solenoid.