Fastus D4RF Series, User Manual

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Troubleshooting
Error Displays
Error display Cause Countermeasure
Teach error 4
(Output indicator
blinks in
orange.)
While executing the teach function of the 2-point
Zone the difference between the received light
amount from the first and second teach
functions was too small to set the thresholds.
Increase or decrease the distance to the object
when setting one of the thresholds. (When using
a diffuse reflective fiber unit.)
While executing the teach function with the
1-point Zone teach mode, the set margin was
too small or the received light amount was too
small to set the thresholds.
Increase the received light amount by
decreasing the distance to the object (when
using a diffuse reflective fiber unit).
Alternatively, set the margin to a larger value.
Teach error 5
(Output indicator
blinks in
orange.)
The execution of the teach function via IO-Link
was not carried out in the correct order.
Correct the IO-Link system commands to teach
the first and second points in order.