Hypertherm HyPrecision Predictive P-15 Operator's Manual page 62

4 – Operation
6. The timer expires.
If the supply water pressure is not at the water manifold pressure setpoint after 20 seconds:
• The start sequence stops.
• A Low Supply Water Pressure alarm shows on the screen.
• The beacon light flashes red.
• The system goes into cooling mode and stays at the minimum pressure.
Find the cause of the low supply water pressure and start the pump again.
7. The start sequence continues to stage 2.
Stage 2: Remove air from the system.
1. The intensifier starts stroking.
2. The Bleed Valve timer starts.
The timer is set at 5 seconds by default.
3. The intensifier pushes water through the system, which sends air out through the bleed-down valve.
4. The timer expires.
5. The start sequence continues to stage 3.
Stage 3: Fill the system with water
1. The bleed-down valve closes.
2. The Hydraulics timer starts.
The timer is set at 5 seconds by default.
3. The intensifier strokes, which increases water pressure in the system.
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HyPrecision Predictive waterjet pump Operator Manual 810120