Delta VFD300C43S-HS User Manual

Chapter 14 Fault Codes and DescriptionsC2000-HS
14-38
ID* Display on LCM Keypad Fault Name Fault 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 level Pr. 10-13
Action time Pr. 10-14
Fault treatment parameter
Pr. 10-15
0: Warn and keep operation
1: Warn and ramp to stop
2: Warn and coast to stop
Reset method Manual reset
Reset condition Immediately reset
Record When Pr. 10-15=1 or 2, SdDe is a “Fault”, and the fault is recorded.
Cause Corrective Actions
Improper parameter setting for
abnormal rotating slip function
Reset proper setting for Pr. 10-13 and Pr. 10-14
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 lock Remove the cause of motor shaft lock
The mechanical brake is not
released
Verify the system action timeline
Incorrect parameter setting for
torque limit (Pr. 06-12, Pr. 11-17 –
20)
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.
ID* Display on LCM Keypad Fault Name Fault Descriptions
71
Watchdog（WDTT）
Watchdog error
Action and Reset
Action level Hardware detection
Action time N/A
Fault treatment parameter N/A
Reset method Hardware failure, and cannot reset. Cycle the power.
Reset condition N/A
Record Yes
Cause Corrective Actions
Hardware interference
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.

Delta VFD300C43S-HS Specifications

General

Brand	Delta
Model	VFD300C43S-HS
Category	DC Drives
Language	English