CRITICALAlarm code
144

ILLEGAL CYCLE START (Alarm No., )

What it means

It was attempted to start automatic operation under the following conditions: Alarm No. | Cause --- | --- 0 × 101 | The smoothing level is not zero. 0 × 102 | NC ready signal is not ON. 0 × 103 | Reset state not yet cleared. 0 × 104 | Feed hold is in operation. 0 × 105 | Hardware overtravel not yet cleared. 0 × 106 | Software overtravel not yet cleared. 0 × 107 | No operation mode selected. 0 × 108 | Two or more operation modes selected. 0 × 109 | During change in operation modes. 0 × 110 | During editing on the EIA MONITOR display. 0 × 111 | During search on the tape data. 0 × 113 | Abnormality in temperature. 0 × 114 | Program being edited on the EIA MONITOR display 0 × 115 | A door opened. 0 × 116 | During compensation in tandem control. 0 × 117 | An alarm related to polygonal machining or hob milling not yet cleared. 0 × 118 | An alarm related to safety barrier not yet cleared. 0 × 120 | After establishing absolute positions through zero return operation, the power has not been turned off and back on.

What to do
  1. 1Remove the cause, if possible, to (re)start the automatic operation.
  2. 2If not, contact the nearest Mazak Technical Center or Technology Center.
Codebook — decoded
AError typeOperation — wrong key or incorrect operation
IStop statusReset stop — waiting for reset
OClearingFix cause → press RESET
Still faulted after these steps? Do not restart under load — ask the Mazatrol assistant.
Still stuck? Ask the Mazatrol assistant →