Okuma Alarm-A 1184 MCS Over speed
Actual motor speed is too high.
Object
Axis name or none (spindle)
Character-string
None
Code
Motor speed detected when this alarm occurred [(rev/4294967296)/Tv]
Where, rev= One motor turn; Tv= Speed control frequency
Probable Faulty Locations
– Motor encoder (BL motor)
– Encoder link cables or connectors (VAC motor)
– Resolver or magnetic encoder (VAC motor)
– Resolver or magnetic encoder cables or connectors (VAC motor)
– Inverter unit control board