Patent ID: 9664387
Date: 2017-05-30
CPC Classifications: B25C,F23N

Claim:
1. A method for operating a work apparatus for setting fastening elements in a substrate, the work apparatus comprising a fuel container and a dosing device, through which the fuel is fed from the fuel container into a combustion space in which a flammable mixture is ignited, for setting a fastening element into the substrate, the work apparatus also comprising a container temperature sensor, and a dosing temperature sensor, wherein the container temperature sensor is arranged on or in the fuel container and the dosing temperature sensor is arranged on or in the dosing device, and the container temperature sensor and the dosing temperature sensor are connected for control purposes to a measurement value acquisition unit, the method comprising determining a temperature difference from data detected by the container temperature sensor and by the dosing temperature sensor to detect and/or prevent critical operating states, comparing the temperature difference to a maximum admissible limit temperature difference and generating a signal as soon as the maximum admissible limit temperature difference has been exceeded.