SMC Networks EX600-ED Series, Operation Manual

Page: 38 / 82

-37-
No.EX##-OMN0030-A
No.
Part No.
EX600-
Problem Presumed cause Troubleshooting
Red LED is ON.
(Diagnosis is
activated) Diagnosis error
Output device is
short-circuited.
Check the parts with error by using the LED display or
PLC
∗
or H.T. Re-wire the short-circuited part or check if
the cable and output device are normal.
Red LED is
flashing.
(Diagnosis is
activated)
Diagnosis error
(1)ON/OFF count of the
output device has
exceeded the set value.
(2)The wire of the output
device is broken or
disconnected.
Check the parts with error by using the LED display or
PLC
∗
or H.T.
(1)Reset the ON/OFF count to zero or change the set
value. Or invalidate diagnosis.
(2)Check if the connector is loose and if the wire is
broken.
DY □ B
Red/green all
LEDs are
flashing.
Unit has failed. Stop the operation and contact SMC.
Red ST LED is
ON.
(Diagnosis is
activated)
Diagnosis error
Output device is
short-circuited.
Check the parts with error by using the LED display or
PLC
∗
or H.T. Re-wire the short-circuited part or check if
the cable and output device are normal.
Red ST LED is
flashing.
(Diagnosis is
activated)
Diagnosis error
(1)ON/OFF count of the
output device has
exceeded the set value.
(2)The wire of the output
device is broken or
disconnected.
Check the parts with error by using the LED display or
PLC
∗
or H.T.
(1)Reset the ON/OFF count to zero or change the set
value. Or invalidate diagnosis.
(2)Check if the connector is loose and if the wire is
broken.
3
DY □ E
DY □ F
Red/green ST
LED is flashing.
Unit has failed Stop the operation and contact SMC.
Red ST(I) LED
is ON.
(Diagnosis is
activated)
Diagnosis error
Input device power
supply is short-circuited.
Check the parts with error by using the LED display or
PLC
∗
or H.T. Re-wire the short-circuited part or check if
the cable and input device are normal.
Red ST(I) LED
is flashing.
(Diagnosis is
activated) Diagnosis error
ON/OFF count of the
input device has
exceeded the set value.
Check the parts with error by using the LED display or
PLC
∗
or H.T.
Reset the ON/OFF count to zero or change the set
value. Or invalidate diagnosis.
Red ST(O)
LED is ON.
(Diagnosis is
activated)
Diagnosis error
Output device is
short-circuited.
Check the parts with error by using the LED display or
PLC
∗
or H.T. Re-wire the short-circuited part or check if
the cable and output device are normal.
Red ST(O)
LED is flashing
(Diagnosis is
activated)
Diagnosis error
1) ON/OFF count of the
output device has
exceeded the set value.
2) The wire of the output
device is broken or
disconnected.
Check the parts with error by using the LED display or
PLC
∗
or H.T.
(1)Reset the ON/OFF count to zero or change the set
value. Or invalidate diagnosis.
(2)Check if the connector is loose and if the wire is
broken.
4
DM □ E
DM □ F
Red/green ST
LED is flashing.
Unit has failed Stop the operation and contact SMC.
∗
: Refer to “Diagnosis” (page 62) for the further details.