Hypertherm HyPrecision Predictive P-15 User Manual

HyPrecision Predictive waterjet pump Operator Manual 810120 167
7 – Troubleshooting
Troubleshooting
The boost pump has failed.
 HyPrecision P-15/P-30/P-50: Examine the 1.0-micron water filter.
 HyPrecision P-50S/P-60S/P-75S: Examine the 10-micron water filter.
If the filter is black, the boost pump has failed and must be replaced. Contact a Hypertherm Technical Service
Associate for information and support.
The value on either water-pressure gauge is higher than 8.6 bar (860 kPa / 125 psi).
Contact a Hypertherm Technical Service Associate for information and support.
The boost pump is not needed.
The pump's low-pressure water parts are rated for a maximum pressure of 8.6 bar (860 kPa / 125 psi). In
environments with high supply water pressure, the boost pump can increase the water pressure to higher
than the maximum. This can cause damage to the filters and other parts.
If the value on the prefilter water–pressure gauge is higher than 4.8 bar (480 kPa / 70 psi):
1. In the electrical enclosure, turn the switch on the boost pump motor contactor to 0.
2. On the operator interface, turn off the boost pump monitoring. Refer to Pump Adjustments on
page 218.
The boost pump bypass relief valve is not adjusted correctly.
Contact a Hypertherm Technical Service Associate for information and support.
A water filter is clogged.
Replace the water filters.
There is a leak.
 Identify the source of a leak and correct the problem.
 If the intensifier strokes when it is in cut-pressure mode with the cutting head turned off, check the
bleed-down valve and the high-pressure tubing for leaks.
A poppet is sticking, worn, or damaged.
Low-pressure poppet
 Examine the face of the poppet and the mating face on the check valve. Make sure that the faces are
smooth and flat and have an almost mirrored finish. Refer to Repair the check valves and the
low-pressure poppets on page 105.
 Repair or replace the low-pressure poppet.
 Make sure that the low-pressure poppet fits in the poppet basket without sticking.
 Repair or replace the check valve.
High-pressure poppet
Replace the high-pressure poppet, the spring, and the seat.
The supply water pressure is too high
If the value on the prefilter water-pressure gauge is higher than 7.9 bar (790 kPa / 115 psi), the water pressure is too high.
The intensifier water pressure is too low
A pressure transducer in the water manifold senses the supply water pressure. If the pressure decreases to a value that is
lower than the setpoint, the monitoring circuit opens and causes a fault.

Hypertherm HyPrecision Predictive P-15 Specifications

General

Brand	Hypertherm
Model	HyPrecision Predictive P-15
Category	Water Pump
Language	English