F109-70
Faulty switching behavior of the low-side driver DO0_M
SEW Eurodrive · MOVIDRIVE MDX60B/61B Variable Speed Drive
What does F109-70 mean?
A DC 0 V short circuit has been detected at the digital output DO0_M (X82:2) from the low-side driver. This indicates an electrical fault on the output channel.
Source: SEW Eurodrive MOVIDRIVE MDX60B/61B Variable Speed Drive
Open Manual (Page 214)