Error on default settings:
21:02:32:037   1310   GPU 4, GpuMiner dk1a failed -4
21:02:32:076   ce4   GPU 1, GpuMiner dk2a failed -4
21:02:32:113   a20   GPU 0, GpuMiner dk2a failed -4
21:02:32:148   126c   GPU 4, GpuMiner dk2an0 failed -4
21:02:32:220   14e0   GPU 4, GpuMiner dk2an0 failed -4
21:02:32:255   127c   GPU 1, GpuMiner dk2an0 failed -4
21:02:32:305   c7c   GPU 0, GpuMiner dk2an0 failed -4
21:02:32:342   137c   GPU 1, GpuMiner dk2an0 failed -4
21:02:32:385   1330   GPU 3, GpuMiner dk2a failed -4
21:02:32:393   1758   GPU 0, GpuMiner dk2an0 failed -4
21:02:32:409   fcc   GPU 4, GpuMiner dk2an0 failed -4
21:02:32:420   1450   GPU 1, GpuMiner dk2an0 failed -4
21:02:32:436   15f4   GPU 0, GpuMiner dk2an0 failed -4
21:02:32:510   20   GPU 3, GpuMiner dk2an0 failed -4
21:02:32:539   10e0   GPU 3, GpuMiner dk2an0 failed -4
21:02:32:560   1798   GPU 3, GpuMiner dk2an0 failed -4

5x RX 480 8G
Version 9.7 work fine