SMC Networks EX600-SEC Series Operation Manual page 34

Part No.
No. Problem
EX600-
Red LED is ON.
(Diagnosis is
activated)
Red LED is
flashing.
DY B
(Diagnosis is
activated)
Red/green all
LEDs are
flashing.
3
Red ST LED is
ON.
(Diagnosis is
activated)
DY E
Red ST LED is
DY F
flashing.
(Diagnosis is
activated)
Red/green ST
LED is flashing.
Red ST(I) LED
is ON.
(Diagnosis is
activated)
Red ST(I) LED
is flashing.
(Diagnosis is
activated)
Red ST(O)
LED is ON.
DM E
4
(Diagnosis is
DM F
activated)
Red ST(O)
LED is flashing
(Diagnosis is
activated)
Red/green ST
LED is flashing.
∗: Refer to "Diagnostic" (page 63) for details.
Presumed cause
Diagnosis error
Output device is
short-circuited.
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.
Unit has failed
Diagnosis error
Output device is
short-circuited.
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.
Unit has failed
Diagnosis error
Input device power
supply is short-circuited.
Diagnosis error
ON/OFF count of the
input device has
exceeded the set value.
Diagnosis error
Output device is
short-circuited.
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.
Unit has failed
-33-
Troubleshooting
Check the parts with error by using the LED display or
∗
master or H.T. Re-wire the short-circuited part or check
if the cable and output device are normal.
Check the parts with error by using the LED display or
∗
master 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.
Stop the operation and contact SMC.
Check the parts with error by using the LED display or
∗
master or H.T. Re-wire the short-circuited part or check
if the cable and output device are normal.
Check the parts with error by using the LED display or
∗
master 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.
Stop the operation and contact SMC.
Check the parts with error by using the LED display or
∗
master or H.T. Re-wire the short-circuited part or check
if the cable and input device are normal.
Check the parts with error by using the LED display or
∗
master or H.T.
Reset the ON/OFF count to zero or change the set
value. Or invalidate diagnosis.
Check the parts with error by using the LED display or
∗
master or H.T. Re-wire the short-circuited part or check
if the cable and output device are normal.
Check the parts with error by using the LED display or
∗
master 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.
Stop the operation and contact SMC.
No.EX##-OMO0027