Mazak Alarms

Mazak Alarm 302 START COND. ERR. (EXT RESET) Description The cycle start button was pressed while the external reset signal was ON. Check and remedy Check the controller of the…

Mazak Alarm 303 START COND. ERR. (EXT FEED HOLD) Description The start button was pressed while the external feed hold signal was ON. Check and remedy Check the controller of…

Mazak Alarm 308 C/S ERROR (TOOL EYE EXTEND) Description The cycle start button has been pressed with the TOOL EYE arm placed in a measurement position. Check and remedy Retract…

Mazak Alarm 310 C/S ERROR (TNo.MISMATCH) Description During the restart of operation after manual interruption, a tool number different from that which was valid before interruption has been specified. Check…

Mazak Alarm 261 HEAD LUBRICATION ALARM Description The pressure switch (SP25, SP26, SP27) in the spindle cooling unit has worked. Check and remedy Check the coolant level.

Mazak Alarm 391 LD/ULD/ACHG CONDITION ALARM Description During ATC, although returning the tool was attempted, the magazine pocket tool confirmation sensor did not detect that tool probably because of dropping….

Mazak Alarm 212 CHUCK OPEN/CLOSE SWITCH MALF. Description The signal from the chuck open/close foot switch has been input during chuck open/close command (M6, M7) in the automatic operation. Check…

Mazak Alarm 211 NOT OPERATED MCODE SIMULTA. Description M-codes which must not be used in combination were selected at the same time. Check and remedy Correct the program.

Mazak Alarm 206 OPEN FRONT DOOR (EMERGENCY STOP) Description Coolant cover (front door) is opened during automatic operation. Check and remedy Close the coolant cover (front door) and start the…

Mazak Alarm 205 MILLING CONTROLLER MALFUNCTION Description An alarm occurred at milling spindle controller. Check and remedy Turn off the main circuit breaker and then turn it back on. If…

Mazak Alarm 204 SPINDLE CONTROLLER MALFUNCTION Description An alarm occurred at spindle controller. Check and remedy Turn off the main circuit breaker and then turn it back on. If the…

Mazak Alarm 203 AIR PRESSURE DOWN Description An air pressure decrease below the required level has activated the pressure switch SP30. Check and remedy Check the air supply port and…

Mazak Alarm 202 HYDRAULIC PRESSURE DOWN Description An oil pressure decrease below the required level has activated the pressure switch. Check and remedy Check the hydraulic unit and piping for…

Mazak Alarm 201 BREAKER TRIP Description Power line on/off circuit breaker QF2, QP3, QF4, QF81, or QF82 has tripped. Check and remedy Check the circuit breakers within the control panel…

Mazak Alarm 200 THERMAL TRIP (EMERGENCY STOP) Description Thermal relay for the hydraulic unit has tripped. Check and remedy Check that the hydraulic unit motor is normal, and then turn…