Delta VP3000 Series - Page 551

Chapter 8 Troubleshooting｜VP3000
542
ID No.
Fault Name
Descriptions
69
Over speed rotation
feedback
(SdOr)
Over speed rotation detected by sensorless
Action and Reset
Action Condition
Pr. H8-03
Action Time
Pr. H8-04
Fault Treatment Parameter
Pr. H8-05
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. H8-05 = 1–4, SdOr is “Fault”
Cause
Corrective Actions
Improper setting of the IMFOC
speed observer bandwidth
Decrease setting value for Pr. F0-00.
The setting of ASR bandwidth of
speed controller is improper
Increase the bandwidth of ASR speed controller
The setting of motor parameter is
incorrect
Reset the motor parameter and execute parameter tuning
Malfunction caused by
interference
Verify the wiring of the control circuit and wiring/grounding of the main circuit to
prevent interference.