174ERRORCODE Description Measures *1E205 - E207 • Abnormality occurs on the internal shutter.• Signal cable is not connected properly.Check the connection of the cable and varioussignal lines, and then restart the laser marker.E220 Laser head housing is open. Contact our sales office or representatives.E225 *4 Fiber unit is detached.Install the fiber unit properly by following theprocedures described in the Setup/MaintenanceGuide.E250 - E252E260 - E261E264 - E265• An error has occurred to the laser oscillator.• A power supply voltage error was detected inthe laser oscillator.• Incorrect connection of signal cable or unitpower cable.• Check and correct the power status.• Check if the AC power line is effected by noise.• Check the connection of the cable and varioussignal lines, and then restart the laser marker.• For LP-RC series:Check if the ambient temperature of thelaser marker is not exceeding the range of itsspecification.E262 *4 Temperature error in laser oscillator.• Check if the ambient temperature of thelaser marker is not exceeding the range of itsspecification.• Make sure air-cooling fan operates.• Remove the dust and contamination in theair intake and exhaust port, and clean the air-cooling part such as fan and filter.• When not recovered, contact our sales officeor representatives.E263 *4 Detected unintended-irradiation. Contact our sales office or representatives.E270 - E275E277E280 - E285E287• An error has occurred to the galvano scannerof the head.• Incorrect connection of signal cable or unitpower cable.• Check and correct the power status.• Check if the AC power line is effected by noise.• Check the connection of the cable and varioussignal lines, and then restart the laser marker.E276 *2, *3E286 *2, *3Marking data are too detailed for the scan speedconfigured. Decrease the scan speed.E290 - E291*2An error has occurred to the Z-axis adjustmentmodule.Check the connection of the cable and varioussignal lines, and then restart the laser marker.E400 INTERLOCK 1 of the I/O terminal block wasreleased.• Connect INTERLOCK terminals on the I/Oterminal block.• Check the status of the safety equipmentconnected to INTERLOCK terminal.• Confirm operation logic of connection device.• For LP-RC/LP-RF/LP-RV series:If the error cannot be solved even with theproper connection of INTERLOCK terminals,replace the contactor for INTERLOCK byfollowing the procedures described in theSetup/Maintenance Guide.E401 INTERLOCK 2 of the I/O terminal block wasreleased.ME-LPGS-SM-8
