SMC Networks LECP1 Series User Manual

- 73 -
Failure
Problem
Possible
causes
Investigation method and the
location of possible causes
Countermeasure
Alarm
generated
Controller alarm is generated?
Check the type of the alarm
referring to the operation manual
of the controller for
troubleshooting.
Refer to the operation manual of the
controller.
-->12. Ala
rm detection (P.59)
Wiring
failure
Check if the wiring is correct.
Refer to the operation manual of
the controller to check wiring, for
broken wires and short-circuits.
Correct wiring and check if the
input/output of each signal is correct.
Prepare a separate power supply for
the CN1 controller input power supply
and CN4 input / output signal power
supply.
-->4. External connection (P.
15)
-->6.4 Parallel I/O connector wiring
(Example) (P.22)
Counter-
measures
against
noise
Ground properly.
Avoid bundling the cables.
Refer to the operation manual of the
controller.
-->
3.4 Mounting (P.13)
Voltage
drop
Temporary voltage drop in the
power supply.
Possibility of momentary voltage drop
due to an inadequate power supply
capacity, or the power supply is inrush
current suppressor type.
-->3.1 Basic specifications (P.
10)
Pushing
operation
failure
Tries to perform pushing in
manual mode?
Pushing operation is not available in
manual mode except for testing.
Switch to test function or perform
pushing in auto mode.
-->(C) Manual mode after retuning
to origin position (P.37)
Opera-
tion
stops
intermit-
tently
Unsuitable
specification
Check if a product with a suitable
specification was selected.
Reconfirm the combination of the
power supply and the actuator and
controller.
Confirm if the combination of the
actuator part number which is
applicable for the controller and the
actuator in use is correct.
--> 2.2 How
to Order (P.6)

SMC Networks LECP1 Series Specifications

General

Brand	SMC Networks
Model	LECP1 Series
Category	Controller
Language	English