Electronic price label system and method for transferring information in an electronic price label system, the electronic price label system includes at least one base station and a plurality of electronic labels for transferring information between the base station and electronic labels. Each hoisting rope is guided to pass around each diverting pulley andor the traction sheave such that a loop is formed from the part between the first and second end of the hoisting rope, the loop being fitted to pass around the diverting pulley andor the traction sheave. The automatic cock is opened by a negative pressure generated in the crankcase and, thereby, a fuel supply path is opened that is for supplying fuel from a fuel tank to an internal combustion engine. The sigma monitor then compares the discriminator with the alert or alarm threshold.