Delta VP3000 Series - Page 552

Chapter 8 Troubleshooting｜VP3000
543
ID No.
Fault Name
Descriptions
70
Large deviation of speed
feedback
(SdDe)
A large deviation between the rotating speed and the command detected by the
sensorless
Action and Reset
Action Condition
Pr. H8-00
Action Time
H8-01
Fault Treatment Parameter
H8-02
0: Warning & continue OPER
1: Fault & Ramp to Stop
2: Fault & Auto-Decel
3: Fault & coast to stop
4: Fault & by Quick Stop Time
Reset Method
Manual reset
Reset Condition
Immediately reset
Record
Records when Pr. H8-02 = 1–4, SdDe is “Fault”
Cause
Corrective Actions
Improper parameter setting for
abnormal rotating slip function
Reset proper setting for Pr. H8-00 and Pr. H8-01.
Improper parameter setting for
ASR and acceleration/deceleration
Reset ASR parameters.
Set proper acceleration/deceleration time.
The acceleration/deceleration time
is too short
Reset proper acceleration / deceleration time.
Motor shaft locked
Remove causes of the motor shaft lock.
The mechanical brake is not
released
Verify the system action timeline.
Incorrect parameter setting for
torque limit (Pr. C4-10–C4-14, F2-
16–F2-19)
Adjust the setting to proper value
Malfunction caused by
interference
Verify the wiring of the control circuit and wiring/grounding of the main circuit to
prevent interference.