Yaskawa MP940 Reference Manual - Manual (Page 390)

MotionSuite™ MP940 Machine Controller Reference Manual Troubleshooting
10-37
CPF00
CPF00 is the alarm display for Digital Operator Transmission Error-1. This
alarm is not stored in the alarm trace-back function memory. The alarm
output appears below.
Status when Alarm Occurred
Alarm Output
Alarm Code Output ALM Output
ALO1 ALO2 ALO3
Not specified
Cause Remedy
A Cable defective, or poor contact
between digital operator and servo
amplifier. Check connector connections.
Replace cable.
B Malfunction due to external noise. Separate digital operator and
cable from noise source.
C Digital operator defective. Replace digital operator.
D Servo amplifier defective. Replace servo amplifier.
Alarm occurs after power
ONwhen digital operator is
attached to the servo amplifier
A, B, C, D
Alarm occurs at power ON.
However, this is when a digital
operator was connected before
servo amp power ON
A, B, C, D