Okuma Alarms Errors

Okuma Alarm-A 8550 ACC manual operation mode impossible The parameter for establishing ACC arbitrary operation mode was turned on without selecting the manual operation mode.

Okuma Alarm-A 8531 Door open Code 1->Door interlock switch is selected ON and Auto/Manual switch is selected Auto mode, when front cover opened. 2->At the time of automatic operational mode,…

Okuma Alarm-A 8551 Semi-dry unit error A Semi-dry unit movement did not completed for the time of monitor.

Okuma Alarm-A 8532 Polish Material unit interlock Code 1->The polish material unit advance/retract command was issued with the X/Z axis not at the positive limit.

Okuma Alarm-A 8536 Operation ready OFF condition Code None->Operation ready condition is OFF,when remote start enable switch is selected ON. 1->Operation ready condition is OFF.

Okuma Alarm-A 8537 Magazine door Interlock Any of the following operations is attempted while the magazine door is open. Spindle rotation, axis movement, turret indexing, M-tool spindle rotation, sub-spindle rotation….

Okuma Alarm-A 8539 Complete stop Emergency stop button is pressed. Code None Probable Faulty Locations Emergency stop button is pressed. Measures to Take Release the emergency stop button and pressthe…

Okuma Alarm-A 8540 X-axis in interference range X axis or Z axis movement command was issued by manual push button, when X axis was in interference area. or,X axis had…

Okuma Alarm-A 8559 Part turn device advanced too far In program operation, when the turn-over unit advance command is executed, the unit advanced excessively. If the turn-advance confirmation input signal…

Okuma Alarm-A 8547 Drive jig unit interlock Code 1->The main-spindle drive jig unit foward command was issued when W-axis was in designated position of W-axis. 2->The main-spindle drive jig unit…

Okuma Alarm-A 8553 ACC airblow interlock ACC airblow command was issued without satisfying the conditions for executing the command. Code 1->M660 commands were issued when the ACC operation sequence number…

Okuma Alarm-A 8554 Spindle table rotation Code 1->The spindle table rotation command was issued when spindle table was in pulse-handle mode. 2->The spindle table clamp confirmation switch is not ON….

Okuma Alarm-A 8555 B-Axis movement The B-axis action command was issued or the B-axis moved when the B-axis action was prohibited. Code 1->The NC turret backlash adjustment bit of the…

Okuma Alarm-A 8556 No mount magazine The tool cannot be returned because there is no empty pot. Probable Faulty Locations The sub magazine has no empty pot. Tool data is…

Okuma Alarm-A 8557 Tool Breakage sensor error Code 1->Measure-OK signal of Tool Breakage sensor did not turn on within fixed time, after power-on signal turned on. In Tool Breakage Function…

Okuma Alarm-A 8558 L-tool index command Code 0->The L-tool index command is designated when the turret index mode is ATC position. 1->The L-tool index command is designated when the turret…

Okuma Alarm-A 8542 Synchronizing spindle phase An action order for spindle was performed in a spindle phase synchronous mode. Object system Code 11->The order which switches a spindle mode was…

Okuma Alarm-A 8543 Measurement Unit error Code 1->A wire breaks or other unit error happened at Measurement unit, which was made in other maker. Probable Faulty Locations 1->Measurement unit error,…

Okuma Alarm-A 8545 Illegal robot/loader request Code 1->Link mode signal from the robot/loader turned OFF during robot/loader request state for robot/loader interface types. 2->Another robot/loader request command was issued, when…

Okuma Alarm-A 8546 Rolling-head movement error Code none->A Rolling-head movement command was issued when turret NO. was not “Rolling-head movement permission pot Number”.

Okuma Alarm-A 8563 Inverter failure Whetstone inverter is faulty or dresser inverter is faulty. Code 1->whetstone inverter 2->dresser inverter Probable Faulty Locations 1) inverter failure 2) inverter failure signal Measures…

Okuma Alarm-A 8564 Turret drive belt disconnection The turret drive belt disconnected it. Code 1->Input signal from a photoelectric switch for turret drive belt disconnection detection became OFF. Probable Faulty…

Okuma Alarm-A 8566 Tool clamp interlock Tool clamp command is issued without satisfying the condition for executing the command. Object SYSTEM Code 1->Turret is not indexed to the base position…

Okuma Alarm-A 8552 Sub-chuck interlock Code 1->A command for clamping tailstock chuck was issued during spindle rotation and spindle chuck was not unclamped. 2->The tailstock mode switch changed AUTO, when…

Okuma Alarm-A 8574 MCS operation ready off MCS operation ready turns off. Object Axis Code X Power supply unit status bit7:PSRDY PSRDY input is ON. bit6:PSRSTS This signal turns ON…

Okuma Alarm-A 8541 Spindle phase synchronization interlock A practical condition of spindle phase synchronous commands does not have it been satisfied. Object system Code 11->The spindle which is turned into…

Okuma Alarm-A 8575 Grinding whl spindle unit Code 1->Grinding whetstone spindle unit alarm input signal is ON. Probable Faulty Locations Grinding whetstone spindle unit.

Okuma Alarm-A 8576 Grinding whl spindle unit interlock Code 1->Grinding whetstone spindle command is issued with the operation box AUTO/MANUAL switch set at MANUAL. 2->Grinding whetstone spindle command is issued…

Okuma Alarm-A 8562 Whl spdl coolant pressure drop/loss Whetstone Spindle coolant pressure OK signal remained OFF longer than 2[S]. Probable Faulty Locations 1) Check whetstone coolant pump 2) Check Whetstone…

Okuma Alarm-A 8571 Irregular coolant level None->A coolant filter is clogged. 1->The lower limit signal of coolant in sub coolant tank was OFF. 2->The upper limit signal of coolant in…

Okuma Alarm-A 8572 ATC step time over A step of operation took more than 120 seconds during the execution of an ATC sequence. Object None Code XXXXXXXX:The limit switch status…

Okuma Alarm-A 8573 Spingdle vibration Code 1->Spindle vibration error(level-1) was detected during spindle rotation. 2->Spindle vibration error(level-2) was detected during spindle rotation. Probable Faulty Locations Chucking error Measures to Take…

Okuma Alarm-A 8560 Override switch failure Code 1->Whetstone override switch signal kept all OFF longer than 1[s]. Probable Faulty Locations Whetstone override switch failure

Okuma Alarm-A 8561 Grinding whl spindle motor overload The load detection watt meter for the Whetstone detected overload. Code 1->H2 alarm signal of watt meter turned ON during whetstone rotation….

Okuma Alarm-A 8580 Canceling interference detection Code None->When it was not manual operation mode,interference detection of Tailstock and Turret was canceled.