Delta C2000 Series User Manual page 456

Chapter 14 Fault Codes and Descriptions
ID* Fault Name
Fault
69
SdOr
SpdFbk over SPD
Fault
70
SdDe
SpdFbk deviate
F au l t
72
STOL
S TO L o ss 1
Fault
73
S1
S1-emergy stop
Fa u l t
76
STO
S TO
F au l t
77
STOL
S TO L o ss 2
F au l t
78
STOL
S TO L o ss 3
Fault
79
Uoc
U phase oc
Fault
80
Voc
V phase oc
C2000 Series
Fault Descriptions
Overspeed rotation detected by the sensorless
Solution
Verify if the parameter setting of the motor drive is correct
Increase the estimator's bandwidth and verify if parameters relating to the sensorless
are correct.
Verify if the gains of the speed circuit is reasonable.
Big difference between the rotating speed and the command deteced by the
sensorless
Solution
Verify if the parameter setting of the motor drive is correct
Increase the estimator's bandwidth and verify if parameters relating to the sensorless
are correct.
Verify if the gains of the speed circuit is reasonable.
STO1~SCM1 internal hardware detect error
Emergency stop for external safety
Safety Torque Off function active
STO2~SCM2 internal hardware detect error
STO1~SCM1 and STO2~SCM2 internal hardware detect error
Phase U short circuit
Phase V short circuit
Corrective Actions
14-8