
11-13
Trips and Fault Finding
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames E & F
6511
Keypad
Display
6901
Keypad
Display
Description
Possible Reason for Trip
FERR
FIRMWARE ERROR
♦
The firmware in the drive has stopped executing
RSLV
RESOLVER ERROR See function block
description
♦
Resolver disconnected
♦
Resolver incorrectly wired
♦
Resolver not compatible with resolver feedback
option board
♦
Resolver length cable too long
♦
Incorrect Resolver Function Block settings
MI2T
I2T MOTOR TRIP
See function block
description
♦
Motor is undersized
STO
SAFE TORQUE OFF -
♦
The safe torque off feature has been activated. See
Chapter 6, STO Trip Annunciation.
REFC
REF ENCODER CAL The drive has failed to set
absolute position
♦
Check the encoder supports absolute position, and
that the encoder is wired correctly.
REFF
REF ENCODER FAIL -
♦
Function not implemented
DCFG
DRIVE CONFIG ERR Drive configuration error
♦
The configuration defined in DRIVE CONFIG
doesn't match the actual drive configuration.