SMC Networks LES D Series, Operation Manual, Page: 50 / 58

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7. Troubleshooting
Alarms below are abstract of representative examples.
For other alarms, see operation manual of controller.
No. Phenomenon Cause Countermeasure
1) Cable is not connected,
disconnected
Check if the cable is properly installed
/See 4. Wiring of cable on p.35
2) Load /resistance out of spec,
range are applied to the
actuator constantly.
Keep load and resistance within
specification range.
/See 2.1 Specifications on p.9-12
3) Combination of the controller
and actuator is not correct.
Combination at the time of shipment
shall be kept.
/See 5.3 Caution (1) on p.38
4) The work that curves to the
“End plate” is installation.
Keep the fiatness of mountingu
surface 0.02mm or less.
/See 6.2 Caution (10) on p.41
5) The screw to fix work to the
end plate is tightened too
much.
It tightens by the decided torque.
/See 6.2
Caution (13) on p.42-43
Fail to operate
/ Initial stage
When power is supplied, alarm
for “Phase Det ALM
/code: 1-193” is generated.
↓
<Procedure of restart>
“Turn the power supply off.”
↓
“Turn the power supply on”
6) The bolt that is the fixation of
work on the table presses the
guide block.
Please use the bolt of appropriate
length.
/See 6.2
Caution (13) on p. 42-43
Alarm for “Step data ALM1
/code:1-048” is generated
↓
<Procedure of restart>
Input the “reset signal.”
Set condition for step data
is not correct.
< Correct set condition >
(1)Area 1 < Area 2
(2)Pushing force or more Trigger
LV
(3)Speed or more Pushing Speed
(4)Pushing foreman or
more pushing force(30%)
Review the content of step data after
releasing the alarm by [RESET].
/ Refer to the LEC controller operation
manual.
Alarm for “Servo off ALM
/code: 1-098” is generated
↓
<Procedure of restart>
Input the “reset signal.”
Perform the “Return to origin”, the
positioning operation and JOG
operation during the “SVON”:
OFF.
Provide the operation instruction after
confirming that the input signal
[SVON] is ON and then the output
signal [SVRE] is ON.
1
Alarm for “Drive ALM
/code: 1-099” is generated.
↓
<Procedure of restart>
Input the “reset signal.”
Perform positioning, pushing
operation before retuning to origin. Provide the operation instruction after
confirming that the input signal
[SETUP] is ON and then the output
signal [SETON] is ON.