Keep seeing these errors in repetier host, but ussually onl in the first few layers.
11:34:54.793 : Printing layer 1 of 59
11:35:19.191 : BLK 9
11:35:26.786 : BLK 6
11:39:39.098 : BLK 9
11:39:40.496 : BLK 9
11:41:46.231 : Printing layer 2 of 59
11:41:47.952 : BLK 8
11:41:48.954 : BLK 7
11:41:54.090 : BLK 8
11:43:01.766 : BLK 8
11:44:04.493 : BLK 9
11:44:09.505 : BLK 9
11:45:10.091 : Printing layer 3 of 59