KEYENCE LS-7000 - Manual (Page 178)

9-2
Chapter 9 Troubleshooting
9
Troubleshooting Guide
If the LS-7000 Series fails to operate, follow the inspection steps provided below. If the LS-
7000 Series does not operate normally after the inspection, contact your KEYENCE
representative.
Problem Inspection Remedy
If 24 VDC is used
Check that the power cable is
connected correctly. Connect the power cable correctly.
(See page 1-18)
Check that the power supply is
within the specified range. Use a power supply within the specified
range. (See page 8-2)
If LS-S11 is used
Check that the power cable is
connected correctly. Connect the power cable correctly.
(See page 1-18)
Connect the DC cable correctly.
(See page 1-16)
Check that the power supply is
within the specified range. Connect the LS-S11 to an AC power
supply. (See page 8-3)
Check that the power switch is
turned ON. Turn the power switch ON.
(See page 1-19)
Process the error according to the
displayed error number. (See page 9-6)
Check that the target is within the
measuring area. Locate the target correctly in the
measuring area. (See page 8-4, 8-5)
Check that the measuring area is not
blocked.
Check that the transmitter and
receiver are mounted correctly.
Do not block the beam with any objects
other than the target.
Check that the area setting is made
correctly.
Mount the transmitter and receiver
correctly. (See page 1-11)
Check that the cover glass of the transmitter
or receiver is free of dust and dirt.
Make the area setting according to the
measuring position. (See page 4-7)
Remove the dirt and dust from the
cover glass. (See page 3)
Check that the cover glass of the
transmitter or receiver is free from
damage, such as scratches or
cracks. The cover glass needs a replacement
if it is damaged. Contact your
KEYENCE representative.
Check that timing control is set
according to the measuring mode. Set the timing control according to the
measuring mode.
Check that the display setting is
correct. Check the display setting.
(See page 3-2)
Check that there is no condensation. Install the LS-7000 Series in a proper
environment. (See page 8-2, 8-3)
The panel is
not lit.
ERROR is
displayed.
The
measured
value is not
displayed.