Yaskawa MP940 - Manual (Page 396)

10.2 Troubleshooting
10-29
10
Display and Outputs
Status and Remedy for Alarm
„ CPF01
CPF01: Digital Operator Transmission Error 2
This alarm is not stored in the alarm trace-back function memory.
Display and Outputs
Status and Remedy for Alarm
Alarm Outputs
Alarm Code Outputs
ALM Output
ALO1 ALO2 ALO3
Not specified
Cause Remedy
A Cable defective or poor contact between
Digital Operator and SERVOPACK. • 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 SERVOPACK defective. Replace SERVOPACK.
Alarm Outputs
Alarm Code Outputs
ALM Output
ALO1 ALO2 ALO3
Not specified
Cause Remedy
A Cable defective or poor contact between
Digital Operator and SERVOPACK. • 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 SERVOPACK defective. Replace SERVOPACK.
A,B,C,D A,B,C,D
At power ON. Digital Operator
connected before SERVO-
PACK power turned ON.
Digital Operator connected to
SERVOPACK while power
turned ON.
A,B,C,D During operation