Omron R88M-W60010T User Manual page 347

Troubleshooting
Display Error
a.100 Overcurrent or
overheating of
radiation shield
Status when
error occurs
Occurs when the • An overload alarm has
control circuit
been reset several times
power supply is
by turning OFF the
turned ON.
power.
• There is a faulty connec-
tion between the Servo
Driver board and the
thermoswitch.
• The Servo Driver board is
defective.
Occurs when main • There is a faulty connec-
circuit power sup-
tion between U, V, W, and
ply is turned ON,
the ground.
or when an over-
• The ground wire is mak-
current occurs dur-
ing contact with another
ing Servomotor
terminal.
operation.
• There is a short between
the ground and the U-,
V-, or W- phase wire in
the Servomotor's main-
circuit cable.
• There is a short between
the U-, V-, and W- phase
wires in the Servomo-
tor's main-circuit cable.
• The wiring for the regen-
eration resistance is
incorrect.
• There is a short between
the Servo Driver U-, V-,
and W- phase wires and
the ground.
• Servo Driver is defective.
(The current feedback
circuit, power transistor,
or board is defective.)
• There is a short between
the Servomotor U-, V-,
and W- phase wires and
the ground.
• There is a short between
the Servomotor U-, V-,
and W- phase wires.
• The DB circuit is defec-
tive.
Cause of error
• Change the alarm reset
method.
• Replace the Servo
Driver.
• Replace the Servo
Driver.
• Correct the wiring.
• Correct the wiring.
• Correct or replace the
Servomotor's main-cir-
cuit cable.
• Correct or replace the
Servomotor's main-cir-
cuit cable.
• Correct the wiring.
• Replace the Servo
Driver.
• Replace the Servo
Driver.
• Replace the Servomotor.
• Replace the Servomotor.
• Replace the Servo
Driver.
(Lighten the load or lower
the rotation speed used.)
Chapter 5
Countermeasures
5-15