Diagnostics
Lexa PLUS| Instructions for Use |RIS-311 ENG Rev03 |29/08/2022 |© W&H Sterilization Srl 83
RESET THE SAFETY THERMOSTAT
The sterilizer is fitted with a safety thermostat to prevent it from overheating. If the safety thermostat operates because of too high temperatures,
the error 240 or a timeout error is displayed. The thermostat must be reset manually. Proceed as follows:
1 Switch the sterilizer OFF and remove the mains cable.
2 Wait for the sterilizer to cool down.
3 Open the sterilizer door.
4 Unscrew the cap and push on the reset button of the thermostat switch; a click
sound indicates that the thermostat switch has been reset.
5 Screw the cap.
6 Connect the mains cable and switch the sterilizer ON.
Note: If the thermostat operates repeatedly, call technical service.
7 Wait for the sterilizer to finish the error reset phase and follow the instructions on
the display.
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