Number of occasions shall reset the RLC AM entities, some of which are given below

- AMD PDU is retransmitted the maximum number of times defined by the configurable parameter

- The number of times that the receive window has been moved exceeds some defined maximum amount

- A STATUS PDU is received with an erroneous sequence number

In any of these cases, the RLC AM is reset by transmitting a RESET PDU with the procedure completed on reception of the RESET ACK PDU