Troubleshooting - Panasonic LP-400 Series External Control Manual

Troubleshooting

If any operation errors occur, check items below.
When the problems cannot be resolved, please contact our sales office.
„Start-up
Troubles
• Power supply is not
turned on.
• The unit does not start
up.
„Laser pumping
Troubles
Laser is not pumped.
Laser is not pumped in
remote mode.
142
Causes
Power cable is not connected.
Key switch is not turned on.
Power is not supplied.
Fuse is blown.
Causes
Emergency stop switch is pressed.
[IN COM.] [OUT COM.] of I/O terminal
is not connected to the power supply.
Emergency stop input on I/O terminal
is in OPEN status, or safety equipment
such as door and switch connected
to the Emergency stop input on I/O
terminal is in OPEN status.
Laser pumping ON signals from the
external control equipment are not
input or not accepted in remote mode.
ME-LP400V-EX-6
Measures
Connect the power supply cable.
Turn on the key switch.
Check the power supply.
Replace the fuse by following the procedures in
Operation/Maintenance Manual.
Measures
Reset emergency stop switches located on the
head and controller.
Connect [IN COM.] and [OUT COM.] in I/O
Terminal to internal power supply or supply power
from outside.
• Check the connection of [EMER.+] and
[EMER.-] (for PNP type model, [OUT COM]) of
I/O terminal.
• Restore the original condition of the safety
equipment connected to the Emergency stop
input.
• Check connections with external equipment
for mis-connection, disconnection or contact
failure due to any loose connector.
• When controlling the laser pumping by I/O
signal, turn off DIP switch No. 2 and turn on
[LASER IN].
• When controlling the laser pumping by serial
communication, turn on DIP switch No. 2 and
transmit the laser pumping command (LSR).
• To change the DIP setting, the switch of the
laser marker should be set at power OFF state.