the number of {TAIL ~ failures} counted is reset when there is a shift from the slip state or {HEAD ~ the lock up release state} to the full lock up state in the full lock up region 
the number of { TAIL ~ failures } counted is reset when there is a shift from the slip state or { HEAD ~ the lock up release state } to the full lock up state in the full lock up region
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH