Both redundant PM866 fatal error
Everything works fine for two months, but today both redundant PM866 gone fault and lost program. Power restart and program download hepls, but after two hours fault repeated.
Only three rows in controller log:
E 2016-10-20 16:16:52.364 FATAL ERROR in D:/br/800xA_CIT/Maintenance/CIT5.1.1/5.1.1-3/omega/products/vxBSPlib/vxworks68/
BSP/PM86x/sysLib.c: 9999 (0x270f)
I 2016-10-20 16:16:52.537 ... flushed 1 messages (first message might be repeated)
I 2016-10-20 16:16:52.744 Current interrupt nestling depth: 17
I'm using 800xA 5.1 FP4 RevE