F14-29
Encoder fault X14 – Communication fault RS485 channel
SEW Eurodrive · MOVIDRIVE MDX60B/61B Variable Speed Drive
What does F14-29 mean?
A communication fault on the RS485 channel at X14 indicates issues such as incorrect encoder cable/shield connection, short circuits, broken wires, or a defective encoder. It may also occur if 2 inverters are connected via X14 and P505 is set to YES, causing SubC 27.
Source: SEW Eurodrive MOVIDRIVE MDX60B/61B Variable Speed Drive
Open Manual (Page 194)