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Inspection, Maintenance, and Troubleshooting
9.2.1 Troubleshooting Problems with Alarm Displays
9
AUDIN - 7 bis rue de Tinqueux - 51100 Reims - France - Tel : 03.26.04.20.21 - Fax : 03.26.04.28.20 - Web : http: www.audin.fr - Email : info@audin.fr
J J A.10
A.10: Overcurrent or Heat Sink Overheated
Display and Outputs
Alarm Outputs
Alarm Code Outputs
ALO1
ALO2
ON
OFF
Note OFF: Output transistor is OFF (alarm state). ON:
ON.
Status and Remedy for Alarm
During Servomotor
operation
At power ON
Cause
A
Wiring shorted between Servopack and Ser-
vomotor.
B
Servomotor U, V, or W phase shorted.
C
S Circuit board (1PWB) defective.
S Power transistor defective.
D
Current feedback circuit, power transistor,
DB circuit, or circuit board defective.
E
The ambient temperature of the Servopack
exceeded 55°C.
F
The air flow around the heat sink is bad.
G
Fan stopped.
H
Servopack is operating under an overload.
Note E to H can occur with a Servopack with a capacity of all models (400 V) and
1.5 kW to 5 kW (200 V).
ALM
Output
Output
ALO3
OFF
OFF
Output transistor is
A, B, D, E,
When SERVO ON (/S-ON)
signal turned ON
F, G, H
C
Check and correct wiring.
Replace Servomotor.
Replace Servopack.
Replace Servopack.
Alter conditions so that the ambient tempera-
ture goes below 55°C.
Follow the installation method and provide
sufficient space as specified.
Replace Servopack.
Reduce load.
9 -8
C, D
Remedy
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