Check if a heavy tool caused the arm to slow down. Locate the ATC arm home, 60-degree, or 180-degree proximity switches and ensure they are clean. Check the pneumatic cylinder speed controllers if the arm is air-driven. EX0652 / EX652: Spindle Tool Unclamp Switch Error
A: Possibly, but only if the alarm was triggered by a transient electrical condition or a race condition in the logic. If the alarm is due to a mechanical jam, a failed sensor, or a hydraulic pressure issue, a reboot will do nothing and you might clear the alarm just long enough to cause a crash. Always verify the physical condition of the machine before a power cycle.
The tool turret failed to properly seat and lock back into position after indexing.
The "mori seiki ex alarm list" is not a single document but a concept encompassing the sophisticated, machine-specific logic that makes these tools reliable and productive. When an EX alarm appears, it is the machine communicating that a critical mechanical or electrical condition has been met. mori seiki ex alarm list
These codes typically trigger when the machine's safety guard system detects an unsafe operating condition.
When an EX alarm occurs, the PLC alarm mark will flash red on the screen, often accompanied by a specific message in the alarm history. Pressing the "Details" softkey when the alarm is active will often provide a more granular explanation of the condition, which is invaluable for deep troubleshooting.
The turret failed to rotate and lock into the next tool position within the allowed time. Check if a heavy tool caused the arm to slow down
A massive percentage of daily EX alarms are caused by simple fluid maintenance neglect or pressure drops. Check:
– The machine requires an X or Z-axis reference return before operation. Editing Switch Key is ON
Check the hydraulic pressure gauge. Verify fluid levels in the hydraulic reservoir. Inspect the pump motor and pressure switch. 3. Door Interlock and Safety Alarms (EX0400 - EX0599) EX0652 / EX652: Spindle Tool Unclamp Switch Error
The high-pressure coolant system cannot reach or maintain the required pressure.
The spindle cannot start because the hydraulic or pneumatic chuck is in the open position, or the chuck proximity sensors are misaligned.
Main hydraulic system pressure has dropped below the safe threshold required to hold the chuck, actuate the tailstock, or change gears.
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