Omron XTRADRIVE

XtraDrive User Manual Chapter 9 : Inspection, Maintenance, and Troubleshooting
9-17
! A.C1: Servo Run Away
Display and Outputs
Alarm Outputs
Alarm Code Output
ALO1 ALO2 ALO3
ALM Output
ON OFF ON OFF
Note: OFF: Output transistor is OFF (alarm state).
ON: Output transistor is ON.
Status and Remedy for Alarm
At power ON.
When parameter
Pn 50A.1 = 7.
When Servo ON (S-
ON) signal is turned
ON.
A
A, B, C, D
D
When the speed
reference is
entered.
Within 1 to 3s after
power is turned ON.
When parameter
Pn 50A.1 7.
A
A, B, C, D
A, B, C
≠
Cause of the Problem Solution
A
Incorrect or disconnected
servomotor wiring.
Check wiring and connectors
at the servomotor.
B
Incorrect or disconnected
encoder wiring.
Check wiring and connectors
at the encoder.
C Defective encoder. Replace servomotor.
D Defective circuit board (1PWB). Replace servo amplifier.