27

No Limit Switches / Limit Switch Error

SEW Eurodrive · MOVIDRIVE compact MCF/MCV/MCS4_A

What does 27 mean?

Emergency stop because both hardware limit switches are either missing/open circuit, or they are incorrectly wired in relation to the motor's direction of rotation. This prevents the drive from accurately detecting its travel limits.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Reprogram the terminal assignments and logic for the limit switches if the configuration is incorrect.

Source: SEW Eurodrive MOVIDRIVE compact MCF/MCV/MCS4_A
Open Manual (Page 96)