Simple Troubleshooting - FineTek SIS2 Operation Manual

14. Simple Troubleshooting

Anomaly
No lights are lit and the switch is
not working.
Yellow and green lights flash
alternately every second.
The yellow light continues to
flash once per second.
The green light continues to flash
once per second.
The switch is working, but the
output is abnormal.
Absence of material is indicated
when material is present.
Presence of material is indicated
when material is absent.
Cause
The device is not powered.
The connector is not plugged in
properly.
The power supply is not within
product specifications.
Overvoltage protection is active.
Overcurrent protection is active.
Over temperature protection is
active.
The device is damaged.
Cable error.
The power supply is not sufficient
to drive the output.
The material characteristic
parameter setting is incorrect.
The sensor probe is attached
with a large amount of material.
The material characteristic
parameter setting is incorrect.
20
Solution
Check and repair the power cord.
Check and turn on the power
switch.
Check the M12 connector and
plug it in properly.
Check that the power supply is
12~30Vdc and make corrections
(if the wire is too long, pressure
drop must be taken into
account).
Check that the power supply is
12~30Vdc and make corrections.
Check that the rated current
consumption of the load is be
less than 50mA and make
corrections.
-40~85°C. The alarm is
automatically cleared if the
temperature returns to normal.
Contact your local sales
representative.
Check the wiring, terminal pins
and make corrections.
Check the cable for damage,
short circuit, breaks, and repair it.
Check that the power supply ＞
12Vdc and make corrections.
Contact your local sales
representative.
Check and clean the sensor
probe.
Contact your local sales
representative.