Troubleshooting Using The Operation State - Omron R88M-K User Manual

12 Troubleshooting and Maintenance

12-4-3 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.
12-30
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 Servomotor power
supply is not ON.
The Forward or Reverse
Drive Prohibition Input
(POT or NOT) is OFF.
The torque limit is set to 0.
The Servo Drive has broken
down.
G5-series AC Servomotors and Servo Drives User's Manual (with Built-in EtherCAT Communications)
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.
Refer to Troubleshooting Errors Related to EtherCAT
Communications on page 12-27.
Check to see if the
communications cable is
connected correctly.
Check to see if the host
controller has started.
Check the cause listed in 12-4-
1 Troubleshooting with Error
Displays on page 12-14.
Check to see if the Servomotor
power cable is connected
properly.
Check the main circuit wiring
and power voltage.
• Check to see if the input for
Forward or Reverse Drive
Prohibition Input (POT or
NOT) is OFF.
• Check the input of +24 VIN to
CN1.
Check to see if the torque 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.
Take appropriate measures
against the cause of the error
that are listed in 12-4-1
Troubleshooting with Error
Displays on page 12-14.
Wire the Servomotor 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 torque to be
used for each of these objects.
Replace the Servo Drive.