Omron XTRADRIVE

XtraDrive User Manual Chapter 9 : Inspection, Maintenance, and Troubleshooting
9-13
! A.81: Absolute Encoder Backup Power Supply Error
Display and Outputs
Alarm Outputs
Alarm Code Output
ALO1 ALO2 ALO3
ALM Output
OFF OFF OFF OFF
Note: OFF: Output transistor is OFF (alarm state).
Status and Remedy for Alarm
At power ON.
When parameter
Pn 002.2 = 0 or 2
A, B, C
C
When parameter
Pn 002.2 = 1
Cause of the Problem Solution
A
The following power supplies to
the absolute encoder both failed:
•
+5V supply
•
Battery power
Follow absolute encoder setup
procedure.
B Absolute encoder malfunctioned. Replace servomotor.
C Defective circuit board (1PWB). Replace servo amplifier.
! A.82: Encoder Checksum Error
Display and Outputs
Alarm Outputs
Alarm Code Output
ALO1 ALO2 ALO3
ALM Output
OFF OFF OFF OFF
Note: OFF: Output transistor is OFF (alarm state).
Status and Remedy for Alarm
When the sensing
(SEN) signal is ON
and parameter
Pn002.2 = 0 or 2.
A, B
A
A, B
During servomotor
operation.
At power ON.