YASKAWA SGM-A3 User Manual page 403

6.2 Troubleshooting
This section describes causes and remedies for problems which cause an alarm display
and for problems which result in no alarm display.
6.2.1 Troubleshooting Problems with Alarm Display
6.2.2 Troubleshooting Problems with No Alarm Display
6.2.3 Internal Connection Diagram and Instrument Connection Examples
6.2.1 Troubleshooting Problems with Alarm Display
Refer to the tables below to identify the cause of a problem which causes an alarm display
and take the remedy described.
Note that A.99 does not indicate an alarm.
Contact your Yaskawa representative if the problem cannot be solved by the described pro-
cedures.
1. Alarm Display and Troubleshooting Table
D Display and Outputs
Digital Operator g
Display and Di l
Alarm Name Alarm Name
A.00
Absolute data
error
Status When Alarm Occurred
At control power ON
Cn-01 Bit 1 = 0
Cn-01 Bit 1 = 1
p
d
ALO1
OFF
F
B C
A, , , D, E, F
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . .
Alarm Output
Alarm Code Output
ALO2 ALO3
OFF OFF
OFF: Output transistor is OFF
ON: Output transistor is ON
At SEN signal input
6.2 Troubleshooting
391
409
. . . . . 411
Alarm Output p
OFF
B C
A, , , D, E, F
391
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