... code, u00, mmg, pltCertificationCESamples Maintenance of CNC Router:1. When you don’t know CNC Router or electrical appliances, or at unauthorized condition ... the technical.5. Regular clean the cooling system of the CNC Router. Should always check every cooling fan of the machine ... Should always monitor the voltage and electricity grid of the CNC Router.7. Prevent the dust into the machine.8. The ...