SM-A14448-A/2
5. TROUBLESHOOTING
18
2019-08-19
5.2 Problems, Causes, and Solutions
If the product does not operate as intended, check the table below for a possible solution.
Problem
Cause
Solution
Even when power is
turned on, LED
indicator on controller
does not light up.
Wiring is not correct.
Check the wiring to the power.
Wiring is disconnected.
Check for pinching and disconnection of cables and check the
connection of connectors and terminals.
Product is malfunctioning or is
damaged.
Repair or replace the product.
Refer to "5.1 Items to Check When a Problem Occurs" and contact
CKD.
LED indicator on
controller remains lit
in red.
Alarm has been issued.
Refer to the setting software (S-Tools) to find and remove the
cause of the alarm.
There is an abnormality in
system.
Repair or replace the product.
Refer to "5.1 Items to Check When a Problem Occurs" and contact
CKD.
No operation standby
completion signal is
output.
Return to origin has not been
performed.
Perform return to origin (FGRC series).
Wiring for emergency stop signal
is NO contact connection.
Change the wiring for emergency stop (EMG) to NC contact
connection.
Wiring is not correct.
Refer to Chapter 4 in "Controller Instruction Manual (SM-A10615)"
and check the wiring.
Product does not
operate as intended
with PLC signal.
Input signal is unstable.
Input from the higher system may be causing chattering. Maintain
the input signal for 20 ms or more.
Return to origin cannot be
completed or performed.
Transfer load may be too large. Check the Specifications.
Setting of position, speed,
acceleration, or pressing force is
not correct.
Check the details of the point data.
Setting of operation mode is not
correct.
Check the setting of the "operation mode" in the parameter data.
Wiring is not correct.
Refer to Chapter 4 in "Controller Instruction Manual (SM-A10615)"
and check the wiring.
Friction load is too large.
Check the friction load during transfer.
Check that there is no jamming with the workpiece.
Workpiece is in contact with an
object on slider or rod.
Check how the device is assembled and set up.
Internal resistance of product has
increased.
Check the environment conditions and the conditions of use.
Check how long the product has been in use (operation distance).
Actuator body is damaged.
Repair or replace the product.
Refer to "5.1 Items to Check When a Problem Occurs" and contact
CKD.
Product itself
vibrates.
Connection to actuator is loose.
Tighten the bolts.
