Construction machine safety apparatus and controlling method

A safety apparatus of a construction machine, the safety apparatus comprising:

• a key switch for outputting an operation signal of a driver to apply a power to drive the construction machine;
• a parking brake switch for outputting an operation signal of the driver regarding whether to operate a parking brake of the construction machine;
• an FNR switch for outputting an operation signal of the driver to select a traveling direction of the construction machine among a forward direction, a backward direction, and a neutral;
• a pilot cutoff switch for outputting an operation signal of the driver to select whether or not a work apparatus provided at the construction machine is available for being driven;
• and
• a vehicle controller receiving the operation signals input thereto from the parking switch, the FNR switch, and the pilot cutoff switch, and controlling a start-up of an engine according to the operation signals input thereto,
• wherein the vehicle controller allows the engine to be started when the key switch is operated to apply the power to the construction machine, the parking switch is operated to be on so that the parking brake is in a parking state, the FNR switch is operated so that the neutral is selected, and an off operation of the pilot cutoff switch to stop driving of the work apparatus is identified.