Delta VP3000 Series - Page 585

Chapter 8 Troubleshooting｜VP3000
576
ID No.
Fault Name
Descriptions
132
Under load protection
(ULD)
The load does not operate according to the user defined loading curve and
triggers under load protection.
Action and Reset
Action Condition
The loading condition is lower than Pr. H7-15 L/F underload curve or Pr. H7-19–
H7-28 Underload L/F Frequency Set
Action Time
Pr. H7-18
Fault Treatment Parameter
Pr. H7-16
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
Yes
Cause
Corrective Actions
Incorrect settings that trigger the
protection
Check if Pr. H7-15 or H7-19–H7-28 is set properly.