KEYENCE IB Series - Manual (Page 110)

A-2 IB-E
A
ppendix
1
Troubleshooting
This section describes corrective actions when errors occur.
Frequently Asked Questions
Problem Check points Corrective actions
Nothing is
displayed on the
amplifier control
unit.
Is the power cable
connected correctly? Connect the power cable correctly.
" Wiring the Sensor Amplifier Unit" (page 2-6)
Is the amplifier unit
correctly added? Add the amplifier unit correctly.
"Mounting the Sensor Amplifier Unit" (page 2-2)
The power saving function
may be working. Cancel the power saving function.
"19. Power Save Function" (page 4-40)
Values are not
displayed.
Is the hold function being
used?
Check the hold function setting.
Input the timing input according to the setting.
"5. Hold Function" (page 4-14)
The laser emission may
be stopped.
Check whether the laser emission stop input is ON or
not.
"10. External Input" (page 4-29)
Are the output wire and
input wire short-circuited? Check the wiring.
"Wiring the Sensor Amplifier Unit" (page 2-6)
The value
fluctuates.
Is the reference light
registered?
Register the reference light.
"3-4 Reference Light Registration (Gain
Adjustment) and Adjust Function" (page 3-10)
Is the averaging set to
small (response time set
to fast)?
Increase the averaging.
"3. Averaging/High-Pass Filter" (page 4-11)
Is the object or sensor
head vibrating?
Take adequate measures to prevent vibration.
Is dirt or dust stuck to the
laser transmitter/receiver? Remove the dirt or dust.
"Effect of Contaminants" (page 2)
Is dust, dirt, water or oil
stuck to the target? Remove the dust, dirt, water, oil, etc.
"Effect of Contaminants" (page 2)
Are there airborne
droplets of dust, water or
oil during use?
Remove the droplets with air purge, etc.
Is there strong ambient
light such as a
photoelectronic sensor or
fluorescent light?
Shield the ambient light to prevent it from entering the
laser receiver.
Is there mutual-
interference? Shield the other transmitter laser light to prevent it from
entering the laser receiver.
Are the transmitter and
receiver mounted
correctly?
Mount them correctly.
"Mounting the Sensor Head" (page 2-8)
Is the installation distance
or the distance between
the receiver and
measurement target too
long?
Keep the installation distance and the distance
between the receiver and measurement target as short
as possible.
"Mounting the Sensor Head" (page 2-8)
Are the output wire and
input wire short-circuited? Check the wiring.
"Wiring the Sensor Amplifier Unit" (page 2-6)