HyPrecision 50S/60S/75S Operator Manual 808690 171
7 – Troubleshooting
Troubleshooting
Motor fault
A primary motor fault means that there is a problem starting or running the motor. If this is suspected to be the
cause of the alarm, take these actions.
Make sure that an orifice is not broken.
Make sure that the plumbing is not leaking.
Examine the primary motor for an electrical short and for loose or damaged wiring.
Examine the electrical enclosure for loose or damaged wiring.
Noisy operation
If air enters the hydraulic system, the pump becomes noisy during operation. Use a 13-mm socket or wrench to
tighten both hose clamps on the suction hose that goes from the hydraulic fluid tank to the bottom of the primary
hydraulic pump.
The manufacturer recommends tightening the hose clamps to a maximum of 30 N∙m (22 lbf∙ft).
If the pump is still noisy after tightening the hose clamps, contact a Hypertherm Technical Service Associate.
Fault/warning Stack light Result
Primary motor fault Red
The intensifier turns off.
The pump turns off.
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