This group of failure modes relates to degrading of equipment due to the actions of operators – which will lead to impacting on the performance of mobile (and ancillary) equipment.  The types of failure mode identified include: 

  • Failing to conduct pre-starts;
  • Disabling safety devices;
  • Confusion arising from multiple, conflicting, alarms;
  • Operators ignoring alarms due to multiple nuisance alarms occurring. 

The business inputs recommended/identified as addressing these problems are listed.