Troubleshooting – KEYENCE IV Series User Manual
Page 275
A-19
- IV Series User's Manual (Monitor) -
A
Troubleshooting
Symptom
Check point
Remedy
Reference
page
The PWR/ERR indicator light
of the sensor or the PWR
indicator light of the monitor
is lighting or blinking in red.
An error occurred. Check the
errors from lighting or blinking
in red.
Refer to "Error Message".
An error message is
displayed on the monitor.
Check the details of the error
message.
Refer to "Error Message".
The power is not supplied to
the sensor or monitor does
not turn on.
Is the power cable correctly
connected?
Connect the power cable
correctly.
Is the voltage or capacity of
the power source meet the
specification?
Use a power source of the
correct rating.
An image is not displayed on
the monitor, or the image is
abnormal.
Is the installed distance of the
target correct?
Place a target at the correct
installed distance. The
installed distance depends on
the sensor type.
Is the sensor view correct?
Place the sensor in such a way
that the sensor view matches
the target size.
Is the focus adjustment correct? Adjust the focusing position
(focus) of the sensor.
Is the brightness adjustment
correct?
Adjust the brightness of the
sensor.
Is the target or the sensor
vibrating?
Devise anti-vibration measures
etc.
-
Does the ambient light affect
the image?
Use brightness correction.
Place the douser to prevent
the incident of ambient light.
-
Is the front cover dirty or
damaged?
Clean the front cover. Replace
it with the spare front cover
(OP-87461).
Is the function of Update Image
in the RUN mode set to [OFF]?
Set the function of Update
Image in the RUN mode to [ON].
The image or the status
result is not updated.
Is the system in the setting
mode?
y
Start the run mode
y
Turn on the power of the
sensor again.
Is the trigger correctly input?
If a target is to be imaged
using an external trigger, input
the external trigger. When the
NPN is selected in the Polarity,
the circuit becomes a non-
voltage input circuit. When
PNP is selected in the Polarity,
the circuit becomes a voltage
input circuit. Check the cables.
All or part of the settings
necessary for running have not
been completed.
Complete the settings in
Settings Navigator.
Troubleshooting