Delta VFD300C43S-HS User Manual page 592

Chapter 14 Fault Codes and DescriptionsC2000-HS
ID* Display on LCM Keypad
70
Action level
Action time
Fault treatment parameter
Reset method
Reset condition
Record
Cause
Improper parameter setting for
abnormal rotating slip function
Improper parameter setting for
ASR and acceleration/deceleration
The acceleration/deceleration time
is too short
Motor shaft lock
The mechanical brake is not
released
Incorrect parameter setting for
torque limit (Pr. 06-12, Pr. 11-17 –
20)
Malfunction caused by interference
ID* Display on LCM Keypad
71
Action level
Action time
Fault treatment parameter
Reset method
Reset condition
Record
Cause
Hardware interference
Fault Name
Large deviation of
A large deviation between the rotating speed and the
speed feedback
command detected by the sensorless
(SdDe)
Action and Reset
Pr. 10-13
Pr. 10-14
Pr. 10-15
0: Warn and keep operation
1: Warn and ramp to stop
2: Warn and coast to stop
Manual reset
Immediately reset
When Pr. 10-15=1 or 2, SdDe is a "Fault", and the fault is recorded.
Reset proper setting for Pr. 10-13 and Pr. 10-14
Reset ASR parameters
Set proper acceleration/deceleration time
Reset proper acceleration/deceleration time
Remove the cause of motor shaft lock
Verify the system action timeline
Adjust the setting to proper value
Verify the wiring of the control circuit and wiring/grounding of the main circuit to
prevent interference.
Fault Name
Watchdog（WDTT） Watchdog error
Action and Reset
Hardware detection
N/A
N/A
Hardware failure, and cannot reset. Cycle the power.
N/A
Yes
Verify the wiring of the control circuit and wiring/grounding of the main circuit to
prevent interference.
If the WDTT fault still exists, return to the factory for repair.
14-38
Fault Descriptions
Corrective Actions
Fault Descriptions
Corrective Actions