SMC Networks EX600-SEC Series Operation Manual page 33

•Trouble counter measure method
Part No.
No. Problem
EX600-
1 - LED is OFF.
Red LED is ON.
(Diagnosis is
activated)
Red LED is
DX B
flashing.
DX C
(Diagnosis is
DX D
activated)
Red/green all
2
LEDs are
flashing.
Red ST LED is
ON.
(Diagnosis is
activated)
DX E
Red ST LED is
DX F
flashing.
(Diagnosis is
activated)
Red/green ST
LED is flashing.
∗: Refer to "Diagnostic" (page 63) for details.
Presumed cause
Power supply for control
and input is OFF.
Diagnosis error
Input device power
supply is short-circuited.
Diagnosis error
(1)ON/OFF count of the
input device has
exceeded the set
value.
(2)The wire of the input
device is broken or
disconnected.
(Only EX600-DX C1)
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.
Unit has failed
-32-
Troubleshooting
Check if the power for control and input is supplied.
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.
(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.
Stop the operation and contact SMC.
No.EX##-OMO0027