Optex SC-U1 Operation Manual page 88

Error details
The maintenance Maintenance output has
timer output is not been assigned to
not made from the relay output.
the relay.
The cable is not properly
wired.
The cable is broken.
Manual cleaning A sensor to perform
of a sensor with manual cleaning is not
wiper cannot be selected.
performed.
The sensor is out of
order.
The cleaning Cleaning output has not
device cannot been assigned to the
be activated. relay output.
Cleaning interval (Relay)
is OFF.
The cable is not properly
wired.
The cable is broken.
88
Cause
The notification by the maintenance timer is
available if the maintenance output has been set
using relay output. Refer to "Maintenance output
setting" P.46 to configure the setting.
Turn off power, check the wiring, and be sure to
wire properly.
Make sure that the cable is not damaged. If any
damage is found, contact the dealer.
Refer to "Manual Cleaning" P.74 to select a
sensor to perform manual cleaning.
The sensor must be repaired. Contact the dealer.
The cleaning device can be activated only if the
cleaning output has been set using relay output.
Refer to "Cleaning output setting" P.47 to
configure the setting.
When the cleaning interval (Relay) is OFF, the
cleaning device does not operate.
Refer to "Cleaning Interval (Relay)" P.76 to
configure the operating time of the cleaning device.
Turn off power, check the wiring, and be sure to
wire properly.
Make sure that the cable is not damaged. If any
damage is found, contact the dealer.
Action