Okuma Alarms Errors

Okuma Alarm-D 4770 Mode switch NG Mode switch is wrong. Code 1->The ACC link ON/OFF switch input signals were kept ON or OFF for 0.5[s] or longer.

Okuma Alarm-D 4771 Magnet chuck unclamp cycle The magnet chuck is in unclamp cycle.

Okuma Alarm-D 4772 Tool select switch mismatch It is not same state between running mode and tool select switch.

Okuma Alarm-D 4794 Sequencer alarm 1)Production control CH answer not returned 30[s] passed production control CH No. output. 2)Sequencer alarm input(iSQAL/) was off. Code CH No. ->1) above FFFFFFFF ->2)…

Okuma Alarm-D 4795 Please open ceiling door In the door interlock S specifications, this message appears when the roof door open/close confirmation switch is in CLOSE position with the power…

Okuma Alarm-D 4796 APC safety interlock This alarm occurs when the operation door interlock is activated (when the operation door is open during machine operation) under the door interlock condition,…

Okuma Alarm-D 4784 Mist collector error The mist collector failed. Code Non->[Mist collector error/] signal kept OFF. 1->Mist collector unit is clogged. 2->The mist collector ON confirmation signal was OFF…

Okuma Alarm-D 4785 Self check counter full count Code Non->Self check counter has counted up.

Okuma Alarm-D 4786 Coolant controller error Code None->The coolant cooler alarm signal 1(iCLOCA1/) turned OFF. Probable Faulty Locations 1)Overload for coolant oil controller motor. Measures to Take 1) Check the…

Okuma Alarm-D 4791 Linear guide cover interference Linear guide cover for ZA-axis and A-saddle are interference position.

Okuma Alarm-D 4792 Workpiece washer overload Code 1-> The overload relay of the work washer is tripped. Probable Faulty Locations 1)Overload for work washer. Measures to Take 1)Reset the overload…

Okuma Alarm-D 4793 Coolant filter Code 1->A coolant filter 1 is clogged. 2->A coolant filter 2 is clogged.

Okuma Alarm-D 4782 Workpiece stocker error Code 1->The material preparation cycle time became exaggerated. 2->The product table preparation cycle time became exaggerated. 3->The stocker changing cycle time became exaggerated. 4->The…

Okuma Alarm-D 4783 Workpiece stocker overload The overload relay of the work stocker is tripped. Code 1 Probable Faulty Locations 1)Overload for work sotcker. Measures to Take 1)Reset the overload…

Okuma Alarm-D 4788 Chip conveyer stop The chip conveyer stopped during automatic operation. Code 1->In the machine conveyer is not running during automatic operation.

Okuma Alarm-D 4789 Sensor overstroke Code None->Sensor for X-axis gauging was overstroke condition. 1->Sensor for Z-axis gauging was overstroke condition.

Okuma Alarm-D 4790 Chucking miss air route clogged Code 1->The air circuit for detecting chucking miss of setup station is clogged. Chucking miss PS kept ON longer than the preset…

Okuma Alarm-D 4808 Coolant level low The Coolant level is low. Code 1->The coolant level normal signal remained OFF for more than 3[s]. Measures to Take Supply coolant to the…

Okuma Alarm-D 4809 ATC step time over A step of operation took more than 120 [s] during the execution of an ATC sequence. Code XYZZ X = None:The input condition…

Okuma Alarm-D 4797 Please open APC door When the APC door close confirmation limit switch is at close end with the power ON, the door interlock type S function displays…

Okuma Alarm-D 4798 APC door lock incomplete The door lock confirmation function failed to operate properly. Code 1->The APC door lock pin IN confirmation function was not turned ON within…

Okuma Alarm-D 4801 Oil mist error Code 1->The oil level in the oil tank is too low.

Okuma Alarm-D 4802 Turret rotation interlock Turret Index Command is issued; when One of Turret Indexing Conditions is Not met. Code 1->Turret Index Command is issued; when H1-turret is not…

Okuma Alarm-D 4803 Cross rail positioning auto set mode The machine equipped with a crossrail automatic positioning function is in automatic positioning setting mode. Parameter Machine user parameter systemcheck mode…

Okuma Alarm-D 4787 Manual tool change enabled Manual tool change are effective by setup of a manual tool change permission parameter.

Okuma Alarm-D 4804 Workpiece washing gun error An abnormal condition occurs in the workpiece gun. Code 1->The workpiece washing gun ON confirmation signal remained OFF for [s] or longer during…

Okuma Alarm-D 4805 Coolant unit error The coolant unit normal signal went OFF. Or, the coolant unit abnormal signal came ON. Code 1->For M-SP Cooling unit specifications, the coolant unit…

Okuma Alarm-D 4806 Lube oil drain tank overflow The drain overflow signal detected by the float switch within the lubricant drain tank was turned ON.

Okuma Alarm-D 4807 Axis lube level low Axis lubricating oil level is low. Code 1-> The low lubrication oil signal, when turned on, also causes this alarm. Measures to Take…

Okuma Alarm-D 4810 System check This alarm shows that the system is under adjustment. Code Kind of adjustment

Okuma Alarm-D 4827 Canceling chuck grasp interlockl Code None->The chuck grasp interlock cancel mode is being selected.

Okuma Alarm-D 4811 Coolant tank upper level The coolant level exceeded the upper limit. Code 1->The main tank coolant level normal (upper limit) signal remained OFF for more than 3[s].

Okuma Alarm-D 4828 Please switch door interlock ON The door interlock is not activated at machine starting up with “Doorinterlock switch confirmation function”. Please once activate door interlock with selecting…

Okuma Alarm-D 4829 NC tailstock thrust change interlock NC tailstock trust change position is not retract position or retract end position.

Okuma Alarm-D 4815 Attachment turret rotating Code 1->When a long boring bar tool was mounted in the turret H1, during attachment turret index command in manual mode.