Delta VFD300C43S-HS User Manual page 591

ID* Display on LCM Keypad
69
Action level
Action time
Fault treatment parameter
Reset method
Reset condition
Record
Cause
The setting of Pr. 10-25 FOC
bandwidth of speed observer is
improper
The setting of ASR bandwidth of
speed controller is improper
The setting of motor parameter is
incorrect
Malfunction caused by interference
Fault Name
Over speed rotation
Over speed rotation detected by sensorless
feedback (SdOr)
Action and Reset
Pr. 10-10
Pr. 10-11
Pr. 10-12
0: Warn and keep operation
1: Warn and ramp to stop
2: Warn and coast to stop
Manual reset
Immediately reset
When Pr. 10-12=1 or 2, SdOr is a "Fault", and the fault is recorded.
Decrease the setting of Pr. 10-25
Increase the bandwidth of ASR speed controller
Reset motor parameter and execute parameter tuning
Verify the wiring of the control circuit and wiring/grounding of the main circuit to
prevent interference.
14-37
Chapter 14 Fault Codes and DescriptionsC2000-HS
Fault Descriptions
Corrective Actions