-67-
No.EX
※※
-OMZ0016
•Remote troubleshooting
Trouble No.
LED
Name
LED status
Possible causes
Investigation and
countermeasures
Colour
of LED
ON/Flashing
1
All
-
OFF
The US1 (for control / input) power
supply is OFF
Supply 24 VDC +/-10% for US1
(for control / input) power source.
2
PWR
Red
Flashing
Reduction in the US2 (for output)
power voltage (when the setting is
enabled)
The power supply voltage of the
US2 (for output) power supply is
low. Supply 24 VDC +/-10%.
-
OFF
The US1 (for control / input) power
supply is OFF
Supply 24 VDC +/-10% for US1
(for control / input) power source.
3
MS
Red
Flashing
The following diagnostic
information is detected.
(1) Short-circuit detection of the
US1 power supply (for control /
input)
(2) US1 (for control / input) power
supply voltage level is abnormal
(when the setting is enabled)
(3) Short-circuit detection of the
US2 power supply (for output)
(5) Memory read/write error
After checking the error contents
while referring to the system
diagnostic information and LED
indication, refer to the following
countermeasures.
(1) Re-wire the short-circuited part
or check if the cable and input
device are normal.
(2) The power supply voltage of
the US1 (for control / input)
power supply is low. Supply
24 VDC +/-10%.
(3) Re-wire the short-circuited part
or check if the cable and output
device are normal
.
(5) Internal memory read/write
operations are not performed
normally. Initialize the product.
Red
ON
Remote malfunction
Replace the Remote
If the error persists after
replacement, stop using the
equipment and contact your SMC
sales representative.
-
OFF
The US1 (for control / input) power
supply is OFF
Supply 24 VDC +/-10% for US1
(for control / input) power source.
