Haas Alarm 118 SPINDLE LOW GEAR FAULT Helman CNC. Haas Alarm Description Gearbox did not shift into low gear During a change to low gear the spindle is rotated slowly while air pressure is used to move the gears but the low gear sensor was not detected in time Parameters 67 70 and 75 can adjust the timeout times for troubleshooting only Check the air pressure the solenoid s circuit
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