YASKAWA SGMAH - Page 390

Sigma II User’s Manual Chapter 9: Inspection, Maintenance, and Troubleshooting
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 A.03
A.03: Main Circuit Detection Error
Display and Outputs
Note: OFF: Output transistor is OFF (alarm state).
Status and Remedy for Alarm
 A.04
A.04: Parameter Setting Error
Display and Outputs
Note: OFF: Output transistor is OFF (alarm state)
Status and Remedy for Alarm
Alarm Outputs
Alarm Code Output
ALM Output
ALO1 ALO2 ALO3
OFF OFF OFF OFF
Cause of the Problem Solution
A
Circuit board (1PWB or 2PWB)
defective.
Replace servo amplifier.
Alarm Outputs
Alarm Code Output
ALM Output
ALO1 ALO2 ALO3
OFF OFF OFF OFF
Cause of the Problem Solution
A
An out-of-range parameter was
previously set or loaded.
• Reset all parameters in the range.
• Otherwise, reload the correct parameter.
B Circuit board (1PWB) is defective. Replace the servo amplifier.
At power ON.
A
At power ON.
A, B