Toshiba GR200 Series Instruction Manual page 359

stage, which the ARC issues a three-phase trip command (CB1_94TT or CB2_94TT) for the
TRC function; the ARC function abandons to reclose the CB#1 and CB#2 (ARC1 FT or ARC2
FT).
 CB is not ready for ARC operation
 Failure to issue ARC shot
 ARC block command has come through PLC connection points

Multi-phase trip in SPAR mode
 Evolving fault (single phase to multiphase) in SPAR and TPAR mode
 Final trip selected for 3-phase fault (user settable)
 ARC close fail

Shot number over
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6F2S1915 (0.46)
GRZ200 (Soft 031 & 032)