Yaskawa SGDB User Manual
Page 527
INSPECTION, MAINTENANCE, AND TROUBLESHOOTING
6.2.1 Troubleshooting Problems with Alarm Display cont.
518
J
A.A1
Display and Outputs
Digital Operator
Di l
d
Alarm Output
g
p
Display and
Alarm Name
Alarm Code Output
Alarm Output
Alarm Name
ALO1
ALO2
ALO3
p
A.A1
Heat sink
overheated
ON
ON
ON
OFF
OFF: Output transistor is OFF
ON: Output transistor is ON
Status When Alarm Occurred
A, B, C, D
During servomotor
operation
Occurred when the con-
trol power turned ON.
E
Cause
Remedy
A
The ambient temperature of the
SERVOPACK exceeds 55°C
Alter conditions so that the ambient
temperature goes below 55°C
B
The air flow around the heat sink is bad.
Follow installing method and provide
sufficient surrounding space as specified.
C
Fan stopped.
Replace SERVOPACK.
D
SERVOPACK is running under overload.
Reduce load.
E
SERVOPACK defective.
Replace SERVOPACK.
6