Wuhan Raycus Fiber Laser Technologies Co., Ltd.User Guide of RFL-C100~RFL-C2000S343) Install the output cable on the processing equipment according to the actual situation(install the output head cooling water pipe at the same time), pay attention to the output cableand head, then remove the protective cap and confirm that the output lens is clean and install theoutput head.;4) Connect cooling water pipe;5) Connect the control line and power according to the control mode.4.6 Steps Of StaringMake sure the air switch is OFF and the emergency stop button (EMERGENCE STOP) onthe front panel of the laser has been pressed down. All electrical connections must be finishedbefore the laser is powered up;1) Make sure that the pins 6 and 7 of DB9 SERVICE interface are closed;2) Turn on the chiller and check leakage. If there is no water leakage, turn off the chillerand wait for the laser to turn on.3) Turn on the air switch and release the emergency stop switch.Note: RFL-C1500S/2000S has an air conditioner and it starts to run as the emergency stopswitch is released. In order to avoid damage the laser caused by condensation when the workingtemperature and relative humidity of the laser are in the dew point area [the blue area in Table 4],for RFL-C1500S/2000S please wait for the air conditioner to run for 30 minutes before operatethe laser later ,.and for RFL-C100~ RFL-C1000 please improve the working environment.4) Let the chiller work;Turn on the key switch and start the laser.