Okuma Alarms Errors

Okuma Alarm-A 8610 Invalid spindle winding condition Object SYSTEM Code 1->The low-speed winding confirmation signal was turned off for 0.5 seconds or more while instructing in a low-speed winding. 2->The…

Okuma Alarm-A 8626 Ceiling door guide interlock Code 1->The ceiling door guide advance confirmation signal turned off in a mode other than MANUAL.

Okuma Alarm-A 8611 Winding change error Object SYSTEM Code 1->The state of spindle servo failed to come OFF before Winding-change. 2->The state of spindle servo failed to come ON after…

Okuma Alarm-A 8627 Long boring bar change protection Code 1->The stock shutter open/close command is designated when the stock was not retract position. 2->The stock advance/retract command is designated when…

Okuma Alarm-A 8612 APC interlock Code 1->The APC clamp/unclamp command was issued while the spindle was in rotation. 2->The APC clamp/unclamp command was issued while the C-axis is connected.

Okuma Alarm-A 8628 Spindlehead lib oil level low The spindle cooling unit normal signal remained OFF for more than 3 seconds while the spindle cooling unit was ON. Code None->…

Okuma Alarm-A 8613 APC clamp/unclamp time over Code 1->APC clamp confirmation switch is not ON. 2->APC unclamp confirmation switch is not ON.

Okuma Alarm-A 8629 Spindlehead lubricant pressure low The lubricant is not supplied property to the spindlehead. The pressure switch within the spindlehead or combination unit turned OFF the lubricant supply…

Okuma Alarm-A 8614 APC escape position Code 1->Spindle Revolution, Sub-Spindle Revolution, or Milling Tool Revolution Command is issued; when Synchronized Peripherals at Waiting Position code is off. The actual Spindle/Sub-Spindle…

Okuma Alarm-A 8630 Hydraulic pressure drop Jig hydraulic unit The hydraulic pressure normal signal remained OFF for more than 3 seconds. OR, the abnormal signal remained ON for more than…

Okuma Alarm-A 8615 ATC shutter not open A shutter was not open when the shutter closing operation was disabled. Code 1->the turret was possibly interfering with the shutter.

Okuma Alarm-A 8631 Invalid safety-monitor spec. The safe speed monitor has detected an abnormality. Index None Character-string None Code None

Okuma Alarm-A 8616 Coolant level low The coolant level is low. The float switch within the coolant tank turned OFF the coolant normal signal or turned ON the coolant error…

Okuma Alarm-A 8617 Thru-the-tool coolant filter clogged The filter within the thru-the-tool coolant tank is clogged. Code 1->The NC detected this alarm while outputting the high-pressure oil hole (through spindle…

Okuma Alarm-A 8618 M spindle overload The M spindle load detection meter relay has been turned on due to overload. Probable Faulty Locations 1)Cutting under overload condition. 2)Setting error of…

Okuma Alarm-A 8619 Machine axis travel limit over The travel end limit switch for the machine axis (the straight axis of the ATC carrier, AAC carrier, APC carrier, etc.) became…

Okuma Alarm-A 8620 PLC system data This alarm occurs when there is any problem with the logic data for the ATC, AAC, APC, etc. Code Data address Character-string ATC :…

Okuma Alarm-A 8624 Axis interlock Axis movable condition for the axis for which axis movement command is given during automatic mode operation have been off for 5 second or over….

Okuma Alarm-A 8623 Mist air lubrication unit The M spindle mist lubrication unit failed Code 1->The AT/OM-lubrication oil dropping sensor remained on for more than 2[s]. 2->The AT/OM-lubrication oil dropping…

Okuma Alarm-A 8632 UNUSABLE interrupt program Interrupt program cannot be used. Code 1->When the interrupt program was not able to be used, interrupt program signal did ON. Probable Faulty Locations…

Okuma Alarm-A 8622 Hydraulic unit oil level low The hydraulic oil level is low. Code 1->The oil level normal signal remained OFF for more than 3[s]. Measures to Take Supply…

Okuma Alarm-A 8639 Tailstock control mode ON/OFF cond. Tailstock control mode ON/OFF is not changeable. Code 1->G140 mode is not selected. 2->W-axis is not plus variable limiti position, or tailstock…

Okuma Alarm-A 8640 Center partition interlock Code 1->The center partition confirmation signal (upper or lower) turned off in a mode other than MANUAL.

Okuma Alarm-A 8643 Unusable PLC spec. code Unusable PLC specification code is selected. Code 1->Air clamp Auto Tow-along Steady Rest spec. code is ON, when Auto Tow-along Steady Rest type-B…

Okuma Alarm-A 8647 Hand open/close switch NG After a hand opening and shutting instruction, even though it is done the time progress which has set on PARAMETER an instruction output…

Okuma Alarm-A 8648 Tailstock tool mode mismatch The cutting command was issued when tail spindle tool mode was mismatch. Code 1->A W-axis move command was issued.

Okuma Alarm-A 8649 Measurement sensor unit interlock An attempt has been made to move the measurement sensor unit while its moving is not possible, or the measurement sensor unit moving…

Okuma Alarm-A 8680 Area sensor interlock On the door area sensor installation specification, an operation that is inhibited with the area sensor shaded was performed with the area sensor shaded….

Okuma Alarm-A 8635 Spindle actual position detection error The spindle servo unit has become unable to detect spindle actual positional data. Code 1->1st spindle 2->MA-axis 3->2nd spindle 4->MB-axis

Okuma Alarm-A 8636 RSS unit Battery error Code 1-> Battery Normal signal of front chuck Clamp pressure confirmation RSS unit is OFF. 2-> Battery Normal signal of front chuck hook…

Okuma Alarm-A 8621 M spindle air curtain pressure low The air pressure confirmation signal went OFF when the M spindle air curtain solenoid came ON. Code 1->When the air curtain…

Okuma Alarm-A 8637 RSS unit Communication error Code 1->Communication Normal signal of front chuck Clamp pressure confirmation RSS unit is OFF. 2->Communication Normal signal of front chuck hook position confirmation…

Okuma Alarm-A 8638 Sub-spindle head clamp condition Sub-spindle head clamp command is issued, when one of sub-spindle head clamp conditions is not met. Code 1->At the time of tailstock control…

Okuma Alarm-A 8644 Fire extinguish unit power OFF Code None->Fire extinguish unit is power OFF.

Okuma Alarm-A 8645 Fire extinguish unit error Fire extinguish unit error by the runnig out of extinguishant,etc. Code None->The fire extinguish unit error signal turned OFF.