Found Ice Machine unit off. Checked codes long harvest and long harvest retrying. Ran machine and saw during harvest ice is hanging up on plate especially in the back. Checked and found grid has come loose in the back of plate. There is no fix for this except new ice plate or new machine and with the cost of ice plate and labor and misc parts it is more cost effective to replace the ice head. Will quote new head. Made some adjustments to thickness probe and cleaned off water dam. ice does drop but in two batches front and back this may not last long.