Delta VP3000 Series - Page 434

Chapter 8 Troubleshooting｜VP3000
425
ID No.
Warning Name
Descriptions
31
Under load
(ULD)
The load does not reach the user defined loading curve and triggers under load
protection.
Action and Reset
Action Condition
H7-19–H7-28
Action Time
Pr. H7-18
Warning Setting Parameter
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
The warning is automatically cleared when the load is higher than the setting
loading curve.
Reset Condition
The warning is automatically cleared when the load is higher than the setting
loading curve.
Record
No
Cause
Corrective Actions
Incorrect settings that trigger the
protection
Check if the setting for Pr. H7-19–H7-28 corresponds to the exact loading.