User guide

Table Of Contents
A-22
- IV Series User's Manual (Monitor) -
A
Error Messages
Checking errors by observing the PWR/ERR indicator light of the sensor
The causes of, and remedies for, an error can be checked by observing the indicator light of the sensor.
PWR/ERR
indicator light
PWR/ERR
indicator
status
Cause Remedy
Green
ON In operation. -
Blink
Setting in progress.
Operation stopped.
-
Red
ON
A system error occurred.
Turn on the power of this device.
If the same error occurs, contact your nearest
KEYENCE ofce.
A startup memory read error
occurred.
A data abnormality occurred
due to noise or because the
power switched OFF while
writing was in progress.
Initialize the settings.
If the same error occurs, contact your nearest
KEYENCE ofce.
Blink
A trigger error occurred.
A judgment process is not
performed.
If a target is to be imaged
using an external trigger, the
external trigger will be input
during a BUSY status.
If a target is to be imaged
using an internal trigger, the
trigger interval will become
shorter than the processing
time.
The trigger error can be xed using one of the
following procedure.
Next normal trigger input
Clear Error input
Switching the program number
Proceeding to the settings screen of the sensor
Do not input an external trigger during a BUSY status.
Set the trigger interval of the internal trigger to a value
that is longer than the processing time.
An error will not occur if the trigger is set to [OFF]
described in output assignment for the Settings
Navigator (Page 4-60).
An external master image
registration error (without
registered master image)
occurred. The master image
is not updated.
The image to be registered
as a master image was not
imaged.
The work memory is
insufcient.
An external master image registration error can be
xed using one of the following procedures.
Successful next external master image registration
Clearing the Error input
Switching the program number
Proceeding to the settings screen for sensor
Taking an image to be registered as a master image
and register it as an external master image.
Deleting one or more detection tools.
Error Messages