Panasonic LP-400 Series, Operation And Maintenance Manual

Page: 292 / 334

292
Troubleshooting
If any operation errors occur, check items below.
When the problems cannot be resolved, please contact our sales office.
„
Start-up
Troubles Causes Measures
• Power supply is not
turned on.
• The unit does not start
up.
Power cable is not connected. Connect the power supply cable.
Key switch is not turned on. Turn on the key switch.
Power is not supplied. Check the power supply.
Fuse is blown.
Replace the fuse by following the procedures in
Operation/Maintenance Manual.
„
Laser pumping
Troubles Causes Measures
Laser is not pumped.
Emergency stop switch is pressed.
Reset emergency stop switches located on the
head and controller.
[IN COM.] [OUT COM.] of I/O terminal
is not connected to the power supply.
Connect [IN COM.] and [OUT COM.] in I/O
Terminal to internal power supply or supply power
from outside.
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.
• 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.
Laser is not pumped in
remote mode.
Laser pumping ON signals from the
external control equipment are not
input or not accepted in remote mode.
• 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.
ME-LP400V-OP-6