KEYENCE LS-7600 - Manual (Page 209)

10-5
Chapter 10 Troubleshooting
10
Problem Inspection Remedy
Check that the communications cable
is correctly connected. Connect the communications cable
correctly. (See page 8-2)
Check that the wiring specifications
of the communications cable are
correct. Check the wiring of the
communications cable. (See page 8-2)
Check that the communications
specifications are set correctly. Set the LS-7600 Series so that the LS-
7600 Series will be the same as the
peripheral device in communications
specifications. (See page 6-7)
Check that the communications
program is correct. Check if the commands and delimiters
are transmitted and received correctly.
(See page 8-1)
Check that the communications
method is correct and that it is set
properly according to the peripheral
device. Select the correct D-MODE and D-
SEND settings. (See page 6-8)
RS-232C
communi-
cations are
not possible.
Check that the AUTO OFF function is
turned ON.
Check that the internal temperature
of the controller is excessively high.
Check that the camera cable is
connected correctly.
Turn the AUTO OFF function OFF.
(See page 6-14)
Connect the camera cable correctly.
(See page 1-18)
• Check that there is a proper
ventilation space around the unit.
• Check if the cooling fan is operating.
• If the above items are OK, contact
your KEYENCE representative.
The
backlight
does not
turn ON.
The image of
the target does
not appear.
Check that the remote control
console is connected correctly. Connect the remote control console
correctly. (See page 1-17)
Check that the key lock is not ON. Set the key lock to OFF.
(See page 4-11)
The remote
control
console does
not operate.