Omron R88M-K Series User Manual page 125

Error detected
Absolute encoder status error
Encoder phase-Z error
Encoder CS signal error
External encoder communications error
External encoder status error
Phases-A, B and Z connection error
Motor non-conformity
OMNUC G5-SERIES AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL
The rotation of the absolute encoder is higher than the specified value.
ABS
A phase Z pulse was not detected regularly.
A logic error was detected in the CS signal.
An error was detected in external encoder connection and communications
data.
An external encoder alarm code was detected.
An error was generated for connection of phases A, B, and Z of external
encoder.
The combination of the Servomotor and Servo Drive is not appropriate.
3-1 Servo Drive Specifications
Description
3
3-8