7 MaintenanceThe only preventive maintenance the medical device requires is:l monitoring of accessories;l everyday cleaning, disinfection and sterilisation;l cleaning.7.1 Checking the lamp power levelIt is important to regularly check that the lamp is working correctly. To do this, follow the steps below:l Check that the optical guide is intact and has no composite residues.l Set the lamp to Rapid mode.l Insert the optical guide into the power tester.l Switch on the Mini LED.l The power tester may give the following results:Colour ResultGreen The lamp is working correctly and has a power output equal to or more than 1000 mW per cm2Red The lamp is not working correctly. Please read the chapter Identifying incorrect operation page 197.2 Identifying incorrect operationIn the event of incorrect operation, refer to the tables below to quickly identify and repair the non-complexparts of the medical device.If the incorrect operation is not described in the tables below, please contact your supplier or the CustomerService Team at SATELEC®.Do not use the medical device if it appears to be damaged or faulty. Isolate the medical device and make surethat it cannot be used.7.2.1 Not workingSymptoms: The Mini LED does not switch on and does not emit blue light.Possible causes SolutionsThe on/off button is set to off Press the on/off button to switch on the Mini LEDThe battery is flat Charge the batteryThe charging base is incorrectly connected tothe mains power preventing the battery fromcharging normallyl Disconnect the charging base;l Check that the socket is not faulty;l Connect the charging base;l Check that the charging light comes on;l Wait for the battery to fully charge.The battery switched itself to safety mode Install another batteryThe internal temperature of the Mini LED hasreached the maximum permitted level Allow the Mini LED to cool before using it againThe battery charging light is red. The batterywas not fully charged before being switched on Remove the partly charged battery and install a fully charged battery7.3 The power of the Mini LED is not as expectedPossible causes SolutionsCure composite residue remains on the opticalguidel Remove the residue.l Check that the surface of the optical guide is intact.l Change the optical guide if necessary.User Manual • Mini LED™ • J02541 • V5 • 07 • 01/2015 • NG13EN010E - Page 19/30