15
Motor Stalled
Vacon · NX Liquid-Cooled Drive
What does 15 mean?
The motor stall protection has tripped, indicating that the motor has either stopped or is operating at a very low speed while a run command is active and under mechanical load. This typically suggests an excessive mechanical load or a mechanical obstruction preventing motor rotation.
Source: Vacon NX Liquid-Cooled Drive
Open Manual (Page 153)