138TroubleshootingIf any operation errors occur, check items below.When the problems cannot be resolved, please contact our sales office or representatives.⿎ Start-upTroubles Causes Measures• Power supply is notturned on.• The system does notstart 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.For LP-GS series:Fuse is blown.Replace the fuse by following the proceduresdescribed in the Setup/Maintenance Guide.For LP-RC/LP-RF/LP-RV series:Circuit protector is OFF.Turn on the circuit protector by following theprocedures described in the Setup/MaintenanceGuide.⿎ Laser pumpingTroubles Causes MeasuresLaser pumpingdoes not start.The connection of the following I/O terminals isreleased.• INTERLOCK 1(+) - INTERLOCK 1(-) (X16 - X17)• INTERLOCK 2(+) - INTERLOCK 2(-) (X18 - X19)• For LP-GS series:LASER STOP 2 IN (X11) - OUT COM. 1• For LP-RC/LP-RF/LP-RV series:REMOTE INTERLOCK IN (X20) - OUT COM. 1• Check the connection of each terminalon the I/O terminal block.• If the safety equipment such as doorand switch is in released status, restorethe original condition.The stop laser button of the Laser Marker NAVI smartis pressed.Release the stop laser button of LaserMarker NAVI smart and press the errordialog check button.Power is not supplied to the common terminal of theI/O terminal block.Connect the internal or external powersupply to IN COM.1 and OUT COM.1 in theI/O terminal respectively.Laser pumpingdoes not start inremote mode.Signals from the external control device are refused. Refer to “External Control” inTroubleshooting.The setting of a laser pumping control method inthe system settings screen is not consistent with theactual control method.• Check if the laser pumping controlmethod set in the system settingsscreen (I/O or communicationcommand) and the actual controlmethod are consistent.• If the laser pumping method is changedin the system settings screen, restartthe laser marker.ME-LP-GS-SR-COMP-3
