User guide
9.6.2 Axis Unit Servo Drive Abnormals
Overload abnormal condition has occurred in the tool. Refer to
Sections 9.4.5 and 9.4.8.
OVERLOADD7
If this abnormal occurred during fastening, it is caused by under
voltage. If this Abnormal occurred during power on, the internal
power supply is failing. Refer to Section 9.4.13.
INPUT VOLTAGE
ABNORMAL (LOW)
D6
If this abnormal occurred during fastening, it is caused by over
voltage. If this Abnormal occurred during power on, the internal
power supply is failing. Refer to Section 9.4.13.
INPUT VOLTAGE
ABNORMAL (HIGH)
D5
The motor temperature sensor located in the angle encoder of the
tool has detected an overheat condition. Refer to Section 9.4.6.
MOTOR OVER HEATD4
The servo drive internal power transistor is over heated. Refer to
Section 9.4.8.
SERVO OVER TEMP D3
Abnormal condition occurred in the tool angle encoder signal. Refer
to Section 9.4.5.
ENCODER
ABNORMAL
D2
If this abnormal occurs during power on, the tool type and servo
(Axis Unit) type do not match. Refer to Section 9.4.8.
TOOL / SERVO
MISMATCH
D1
This abnormal occurs if tool encoder circuit is not properly
connected or working properly. Refer to Sections 9.4.5. and 9.4.8.
ENCODER CONNEC-
TION ABNORMAL
D0
DESCRIPTIONDISPLAY CODE
Chapter 9: Troubleshooting User Console Version A3.53
Page 9-30










