Mazak Alarms

Mazak Alarms and Error Codes

Mazak Alarm 322 RAPID MODE IMP. (ORIGIN RET UNF)

Mazak Alarm 322 RAPID MODE IMP. (ORIGIN RET UNF) Description The rapid feed mode was selected without carrying out the zero point return operation after the power supply had been…

Mazak Alarm 221 TURRET CLAMP SENSOR MALFUNCTION

Mazak Alarm 221 TURRET CLAMP SENSOR MALFUNCTION Description In spite of the fact that the milling head is actually clamped, the clamping confirmation sensor (SQ18) does not turn on. In…

Mazak Alarm 324 DIFF. MODE (ORIGIN RET UNFIN.)

Mazak Alarm 324 DIFF. MODE (ORIGIN RET UNFIN.) Description The automatic operation mode was selected without carrying out the zero-point return operation after the power supply had been turned on….

Mazak Alarm 292 SENSOR MALFUNCTION No. 3

Mazak Alarm 292 SENSOR MALFUNCTION No. 3 Description The correction value has exceeded the limit set in the thermal displacement compensation. Check and remedy Check that the thermal sensor is…

Mazak Alarm 293 SENSOR MALFUNCTION No. 4

Mazak Alarm 293 SENSOR MALFUNCTION No. 4 Description The correction value has changed largely than the previous one in the thermal displacement compensation. Check and remedy Check that the thermal…

Mazak Alarm 297 CHUCK PRESSURE DOWN

Mazak Alarm 297 CHUCK PRESSURE DOWN Description The spindle chuck pressure remains reduced in a machine having a spindle chuck pressure guarantee option. Check and remedy Check the spindle chuck…

Mazak Alarm 300 START COND. ERR. (DOOR OPEN)

Mazak Alarm 300 START COND. ERR. (DOOR OPEN) Description The cycle start button was pressed while the front cover (front door) was opened. Check and remedy Close the front cover.

Mazak Alarm 243 MEASURING CONTROLLER MALF.

Mazak Alarm 243 MEASURING CONTROLLER MALF. Description An error occurred at the workpiece measurement controller (option). Check and remedy Check the cause of error at the workpiece measurement controller.

Mazak Alarm 301 START COND. ERR. (TUR UNCLAMP)

Mazak Alarm 301 START COND. ERR. (TUR UNCLAMP) Description The cycle start button was pressed while the milling head was unclamped. Check and remedy Clamp the milling head.

Mazak Alarm 378 HIGH PRESSURE PUMP THERMAL TRIP

Mazak Alarm 378 HIGH PRESSURE PUMP THERMAL TRIP Description The thermal relays in the coolant unit of a machine of the high-pressure coolant specifications have become tripped. Check and remedy…

Mazak Alarm 245 BAR-FEEDER CONTROLLER MALF.

Mazak Alarm 245 BAR-FEEDER CONTROLLER MALF. Description An error occurred at the bar feeder controller. Check and remedy Check the cause of error at the bar feeder controller.

Mazak Alarm 379 TANK PRESSURE LOW

Mazak Alarm 379 TANK PRESSURE LOW Description The pressure in the coolant unit tank of a machine of the high-pressure coolant specifications has decreased. Check and remedy Check and adjust…

Mazak Alarm 248 EXTERNAL CONTROLLER (No.1) MALF.

Mazak Alarm 248 EXTERNAL CONTROLLER (No.1) MALF. Description Failure of controller of a peripheral unit (option) Check and remedy Check the cause of error at the controller of a peripheral…

Mazak Alarm 382 COOLANT SYSTEM MALF.

Mazak Alarm 382 COOLANT SYSTEM MALF. Description An error signal has been sent from the coolant unit of a machine of the highpressure coolant specifications. Check and remedy Check the…

Mazak Alarm 257 ILLEGAL M-CODE

Mazak Alarm 257 ILLEGAL M-CODE Description An illegal M code has been specified. Check and remedy Correct the program.

Mazak Alarm 383 ATC ALM: CARRIER&SHIFT. POS. MALF.

Mazak Alarm 383 ATC ALM: CARRIER&SHIFT. POS. MALF. Description In a machine of the 80/120-tool magazine specifications, the cycle start command or the tool change command was issued when the…

Mazak Alarm 385 START COND. ERR. (Z-AXIS POS.)

Mazak Alarm 385 START COND. ERR. (Z-AXIS POS.) Description Under 20- or 40-tool magazine specifications, executing the machine menu function for opening the ATC cover has been attempted with the…

Mazak Alarm 311 C/S ERROR (TAIL STOCK QUILL)

Mazak Alarm 311 C/S ERROR (TAIL STOCK QUILL) Description The cycle start button has been pressed with the tail spindle not placed at its zero point or advance end. Check…

Mazak Alarm 312 C/S ERROR (PTCATCHER EXTEND)

Mazak Alarm 312 C/S ERROR (PTCATCHER EXTEND) Description The cycle start button has been pressed with the parts catcher (workpiece unloader) extended. Check and remedy Retract (restore) the parts catcher…

Mazak Alarm 218 CHUCKING TYPE NOT SELECTED

Mazak Alarm 218 CHUCKING TYPE NOT SELECTED Description Type of chucking (inner/outer) of spindle chuck is not selected. Check and remedy Select the type of chucking.

Mazak Alarm 213 ILLEGAL DESIGNATED TOOL No.

Mazak Alarm 213 ILLEGAL DESIGNATED TOOL No. Description T code that does not exist in the specification is assigned. Check and remedy Correct the program.

Mazak Alarm 236 PARTS-CATCHER SENSOR MALF.

Mazak Alarm 236 PARTS-CATCHER SENSOR MALF. Description For the machine with an optional automatic parts catcher, the advance end confirmation sensor or retract end confirmation sensor does not turn on,…

Mazak Alarm 377 COOLANT LEVEL LOW

Mazak Alarm 377 COOLANT LEVEL LOW Description The coolant level in the coolant unit of a machine of the high-pressure coolant specifications has decreased. Check and remedy Check the coolant…

Mazak Alarm 275 ROBOT SERVICE EXCEED TIME

Mazak Alarm 275 ROBOT SERVICE EXCEED TIME Description For machines with an optional robot, although a robot service command is given, the confirmation signal does not turn on within a…

Mazak Alarm 224 CHUCK SENSOR MALFUNCTION

Mazak Alarm 224 CHUCK SENSOR MALFUNCTION Description The chuck open or close confirmation sensor fails in function, or both of the sensors are ON simultaneously. Check and remedy The chuck…

Mazak Alarm 325 TL. EYE EXT. IMP.

Mazak Alarm 325 TL. EYE EXT. IMP. Description A TOOL EYE extend/retract command has been given with the SET UP switch remaining set to “O” and the front door remaining…

Mazak Alarm 225 FRONT DOOR SENSOR MALFUNCTION

Mazak Alarm 225 FRONT DOOR SENSOR MALFUNCTION Description For the machine with an optional automatic door, the front door open or close confirmation sensor fails in function, or both of…

Mazak Alarm 341 CONDITION No.2 MISSING

Mazak Alarm 341 CONDITION No.2 MISSING Description The M-code command for milling spindle through air blowout has been issued during coolant injection. Check and remedy Correct the program.

Mazak Alarm 234 TOOL CLAMP SENSOR MALFUNCTION

Mazak Alarm 234 TOOL CLAMP SENSOR MALFUNCTION Description The tool clamp check sensor fails to function. Check and remedy Adjust the setting of the TIM12 timer.

Mazak Alarm 374 OPERATING SWITCH FAULT

Mazak Alarm 374 OPERATING SWITCH FAULT Description A control (switch) on the operation panel was ON upon turning-on. Check and remedy The control is faulty unless it has been inadvertently…

Mazak Alarm 302 START COND. ERR. (EXT RESET)

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)

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)

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)

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

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.