Yokogawa YVP20S - Manual (Page 166)

17-5
IM 21B04C50-01E
<Toc> <Ind> <17. FAILSAFE HANDLING>
Figure 17.5 Set the Parameters to Values that Allow Return from Failsafe.
Click Clear Latch. Click yes to the switch to OOS to Release Failsafe. Then return to
Manual operation state to resume manual operation of the valve. Then follow plant
procedure to return to automatic control. The Deviation Error Failsafe configuration can
later be restored by resetting the T2 parameter in Configuration>Position.
Figure 17.6 Clear Latch Dialog
Figure 17.7 Change Mode to OOS Warning