HyPrecision Predictive waterjet pump Operator Manual 810120 157
7 – Troubleshooting
Troubleshooting
The controller did not receive a signal from the starter when the pump was turned on.
If the soft starter fault light is on, look for loose wires.
Make sure the contactor on the starter is operating correctly.
HyPrecision P-15/P-30/P-50 – The thermal overload relay has tripped.
An overcurrent condition causes the thermal overload relay to become hot. When it becomes too hot, the
relay trips. The relay must cool before it can be started again.
Push the blue button to reset the relay.
The relay can take some time to cool before resetting.
HyPrecision P-50S/P-60S/P-75S – The soft starter sensed a fault.
1. Turn the primary breaker disconnect lever on the electrical enclosure door to OFF.
The pump is not energized.
2. Turn the primary breaker disconnect lever on the electrical enclosure door to
ON.
The pump is energized.
A fuse in the electrical enclosure has blown.
Replace the blown fuse.
The relief valve on the pump manifold has failed.
Contact a Hypertherm Technical Service Associate for information and support.
The pressure control valve on the pump manifold has failed.
The relief valve on the pump manifold has failed.
The hydraulic compensator on the pump has failed.
Contact a Hypertherm Technical Service Associate for information and support.
The SMI senses an imminent high-pressure seal failure.
Replace the seal. Refer to Water on page 166.
Fault 2: Input to Primary Motor Not Received
Fault 2: Primary Motor
The primary motor did not start.
It can take some time for the system to reboot.
Fault 2: Water Pressure Control Error
The pump does not get to the target pressure within the expected time.The hydraulic pressure transducer on the pump
manifold has failed.
Fault 2: Left Dynamic Seal
Fault 2: Right Dynamic Seal
Fault 2: Left Static Seal
Fault 2: Right Static Seal
Fault 3: Left Dynamic Seal
Fault 3: Right Dynamic Seal
Fault 3: Left Static Seal
Fault 3: Right Static Seal
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