TROUBLESHOOTINGAt power up, the digital display does not light up¾ Make sure the power cable is properly connected to the machineand to a mains socket.¾ Press the "cycle start" button:- if the pulling arm moves, call your BABOLAT After-SalesService Centre,- if the pulling arm does not move, check the fuses and replacethem if necessary (see paragraph "Changing voltage orfuses").At power up, the digital display lights up but no messages appear¾ Pressshift then several times (CONTRAST adjustment).At power up, the digital display lights up but the pulling arm does not moveafter the "cycle start" button is pressed¾ Turn off the machine, wait 30 seconds and turn it back on.¾ If the problem continues, go to screen 7 on the control panel.Note down the values displayed on the DIAGNOSIS menu and theserial number of the machine, then call your BABOLAT After-SalesService Centre.During the stringing process, the clamp-holder malfunctions or does notunlock¾ Call your BABOLAT After-Sales Service Centre and if the problemcannot be solved you will need to replace the circular turntable(see paragraph "Replacing the circular turntable").32