Delta VP3000 Series - Page 607

Chapter 8 Troubleshooting｜VP3000
598
ID No.
Fault Name
Descriptions
302
Low pressure error
(LPSE)
The pressure feedback is lower than the set water pressure warning level
Action and Reset
Action Condition
The feedback pressure is lower than Plow
Plow = [Target pressure × (1 – Pr. U3-08%)]
Action Time
Pr. U3-09
Fault Treatment Parameter
Pr. U3-10
1: Fault and coast to stop
2: Fault & ramp to stop
Reset Method
Manual reset
Reset Condition
The feedback pressure is higher than Plow × 1.1
Record
Yes
Cause
Corrective Actions
Unable to establish water pressure
Check if the pipe has leakage, or if there is no water from the source.
Pressure sensor broken
Replace the pressure sensor.