OC5
I x t overload
Lenze · SM29_05 Service Bulletin
What does OC5 mean?
This fault indicates an overload condition based on current and time, caused by frequent and prolonged acceleration with overcurrent, or continuous overload with Imotor > 1.05 x Irx. This can lead to motor and drive overheating.
Source: Lenze SM29_05 Service Bulletin
Open Manual (Page 326)