9OperationMaintenancestate when:• The machine stops when the front protection is lifted.• The machine does not start when the rear protection is lifted or removed.PROGRAMMING THE THERMOSTATThe thermostat starts automatically when the switch (A) is turned on. During normal operation the display willshow the temperature of the plate. To set the thermostat, press the set button: the Led out 1 will flash. Within15 seconds, press the buttons ▲ (up) or ▼ (down) and set the desired temperature of the plate. Once thedesired temperature is set press set or press nothing for 15 seconds.If the display shows Pr1 (probe error) check the integrity of the probe or the tool-probe connection. Thisoperation must be executed by qualified personnel.DANGERBEFORE EMBARKING ON ANY MAINTENANCE WORK, INCLUDING CLEANING, TAKE THE PLUG OUTOF THE POWER SOCKET AND WAIT UNTIL THE DISKS HAVE COOLED DOWN COMPLETELY.SHUT-DOWN PHASETO SHUT DOWN THE FORMING MACHINE, PRESS THE RED EMERGENCY BUTTON “E” AND TURNTHE MAIN SWITCH KNOB A OR THE POSITION “0”.SAFETY PRECAUTIONSBefore performing any maintenance operations, including cleaning, take the following precautions:• Make certain that the main switch is disinserted.• Make certain that the electrical power cannot be accidentally reinserted. Disconnect the plug from theelectrical power socket.• Use individual protection devices in compliance with the directive 89/391/CEE.• Always operate using appropriate maintenance tools.• Once maintenance and repairs are finished, before starting up the forming machine, reinstall all of theprotection devices and reactivate all of the safety devices.