Hypertherm DynaMAX 550P, Operator'S Manual

Page: 168 / 224

Troubleshooting
6
168 811390 Operator Manual DynaMAX 550P/560P/575P Waterjet Pump
The pump makes noise during operation
Air in the hydraulic system can make the pump noisy during operation.
1. Use a 13-mm socket or wrench to tighten the hose clamps on the suction hose that goes from
the hydraulic fluid tank to the bottom of the hydraulic pump.
2. Use a torque wrench to tighten the hose clamps to a maximum of 29 N∙m (22 lbf∙ft).
If the pump is still noisy after tightening the hose clamp, contact a Hypertherm Technical Service
Associate for information and support.
Problem Cause Solution
The operator interface shows a hydraulic fluid temperature alarm.
Water-cooled system The cooling water supply or the
chiller is turned off. Turn
ON
the water supply or the
chiller.
The cooling water is too warm. If the cooling water or the
supply-water temperature is higher
than 24°C (75°F), cool the water
before use.
The heat exchanger is not operating
correctly. • Make sure that the heat
exchanger fins are not dirty or
clogged.
• Flush the heat exchanger.
Air-cooled system The ambient air temperature is too
high. Consider adding a chiller to the
system for supplemental cooling.
The fan is not generating enough
airflow. • Make sure that the fan motor
breaker is not tripped.
• Clean the air cooler.
The thermal overload relay turned
off the fan motor. Reset the relay.
The sensor is not sensing the
correct temperature. • Plug in the sensor.
• Replace the cord.
The temperature sensor is faulty or
damaged.
Replace the sensor.