Unit is encountering too much resistance during closing cycle and reverses itself as if it is hitting something. You need to increase the closing pressure control to overpower the resistance. OR, clean and lubricate the rails to reduce friction and see what happens.
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Unit is encountering too much resistance during closing cycle and reverses itself as if it is hitting something. You need to increase the closing pressure control to overpower the resistance. OR, clean and lubricate the rails to reduce friction and see what happens.