Troubleshooting Using The Operation State - Omron R88D-KN series User Manual

12 Troubleshooting and Maintenance

12-4-2 Troubleshooting Using the Operation State

Symptom
The 7-segment display
does not light.
The ERR indicator
flashes or lights.
The L/A IN and the L/A
OUT indicators are OFF.
An error occurred.
The servo does not lock.
12-22
Probable cause
The control power is not
supplied.
A communications-related
error occurred.
A link in the EtherCAT
physical communications
layer has not been
established yet.
Read the error number and
the error log.
The power cable is not
connected correctly.
The motor power supply is
not ON.
The Positive or Negative
Drive Prohibition Input
(POT or NOT) is OFF.
The force limit is set to 0.
The Servo Drive has broken
down.
G5 Series AC Servo Drives With Built-in EtherCAT Communications, Linear Motor Type
Items to check
Check to see if the power
supply input is within the
allowed power supply voltage
range.
Check to see if the power
supply input is wired correctly.
For details, refer to Troubleshooting Errors Related to EtherCAT
Communications on page 12-20.
Check to see if the
communications cable is
connected correctly.
Check to see if the host
controller has started.
Check and take appropriate measures against the cause listed in
12-4-1 Troubleshooting with Error Displays on page 12-11.
Check to see if the motor power
cable is connected properly.
Check the main circuit wiring
and power voltage.
• Check to see if the input for
Positive or Negative Drive
Prohibition Input (POT or
NOT) is OFF.
• Check the input of +24 VIN to
CN1.
Check to see if the force limits
in the Positive torque limit value
(60E0 hex) and the Negative
torque limit value (60E1 hex)
are set to 0.

Measures
Supply the correct power
supply voltage.
Wire correctly.
Connect the communications
cable correctly.
Start the host controller.
Wire the motor power cable
correctly.
Input the correct power and
voltage for the main circuit.
• Turn ON POT and NOT. Input
+24 VIN to CN1.
Set the maximum force to be
used for each of these objects.
Replace the Servo Drive.