Operator lowered the block down, and then the hoist drive stopped. Could swing and trolley, but no hoist or lower function. Drive displayed SAFF. This fault is not in the Hup manual. The fault code app shows the following.
Had the operator verify that the CanOpen card was installed all the way. Had the operator switch ports on the CanOpen card, and the crane began working. Went to the crane and replaced the CanOpen card, and verified both ports are working