Page EN-16
Pointek CLS100 – QUICK START MANUAL
7ML19985QJ83
English
Unequal current in red and
black wire
Loop circuitry is DC
biased w.r.t. ground
Black wire e 36
V DC against Ground
Correct loop circuitry
Remove cause of voltage on the
red wire and/or bias
Yellow LED won't come on
or off
Defective component in
device
Contact distributor
Too much current in loop
Supply voltage too high Ensure power range equals 12 to
33 V DC at all times (10 to 30 V DC
for IS versions)
Red LED lights opposite to
the Yellow LED when this
is not meant to happen
Incorrect polarity on red
and black loop terminals
Reverse polarity on loop terminals
Red and Yellow LEDs are
blinking fast
Proper power not
applied to device
Power range must equal
12 to 33 V DC at all times
(10 to 30 V DC for IS
versions)
Check power source
Minimum 12 V DC on the terminals
when the signal current is 20 mA
(minimum 10 V DC for IS versions)
Red and Yellow LEDs are
blinking while switching
Proper power not
applied to device
Power range must equal
12 to 33 V DC at all times
(10 to 30 V DC for IS
versions)
Check power source
Minimum 12 V DC on the terminals
when the signal current is 20 mA
(minimum 10 V DC for IS versions)
Relay contact does not
follow status Red LED
Proper power not
applied to device
Power range must equal
12 to 33 V DC at all times
(10 to 30 V DC for IS
versions)
Defective component in
device.
Check power source
Minimum 12 V DC on the terminals
when the signal current is 20 mA
(minimum 10 V DC for IS versions)
Contact distributor
Yellow LED is lit while
probe is not covered
May indicate significant
product buildup.
Rotate sensitivity potentiometer
further CCW (counter clockwise).
Check sensor tip
