Delta VFD1A5MS43ANSAA User Manual

Chapter 14 Fault CodesMS300
601
ID
Display on LCD Keypad
Fault Name
Fault Descriptions
78
Internal loop detection
error
(STL3)
Internal loop detection error
Action and Reset
Action Condition
Hardware detection
Action Time
Immediately act
Fault Treatment Parameter
N/A
Reset Method
Hardware failure, and cannot reset. Cycle the power.
Reset Condition
N/A
Record
Yes
Cause
Corrective Actions
S1 and DCM, or S2 and DCM
short circuit lines are not
connected
Re-connect the short circuit lines
Hardware failure
After you make sure all the wiring is correct, if STL3 fault still exists after cycling
the power, return to the factory for repair.

Delta VFD1A5MS43ANSAA Specifications

General

Brand	Delta
Model	VFD1A5MS43ANSAA
Category	DC Drives
Language	English