Delta VP3000 Series - Page 550

Chapter 8 Troubleshooting｜VP3000
541
ID No.
Fault Name
Descriptions
68
Reverse direction of the
speed feedback
(SdRv)
Rotating direction is different from the commanding direction detected by the
sensorless
Action and Reset
Action Condition
Software detection
Action Time
Pr. H8-06
Fault Treatment Parameter
Pr. H8-07
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. H8-07 = 1–4, SdRv is “Fault”
Cause
Corrective Actions
Improper setting of the FOC speed
observer bandwidth
Decrease setting value for Pr. H0-00.
The setting of motor parameter is
incorrect
Reset the motor parameter and execute parameter tuning
The motor cable is abnormal or
broken
Check if the cable is well functioned or replace the cable
A reverse force is exerted, or the
motor runs in a reverse direction at
start
Start speed tracking function (Pr. A3-00)
Malfunction caused by
interference
Verify the wiring of the control circuit and wiring/grounding of the main circuit to
prevent interference.