Start control system for construction machine, and control method thereof

A control method of a start control system for a construction machine, the method comprising:

• a stage in which a signal input to a start switch is transmitted to a start switch controller;
• a stage in which a vehicle control unit determines a working or traveling state of the construction machine;
• a stage in which the vehicle control unit transmits a result value of determining the working or traveling state to the start switch controller;
• a stage in which the start switch controller determines whether the signal input to the start switch is a noise signal based on the result value transmitted by the vehicle control unit;
• and
• a stage of determining whether the signal input to the start switch has been repeated a set number of times for a set time prior to the stage of determining whether the signal is the noise signal,
• wherein the stage of determining whether the signal is the noise signal determines that the signal input to the start switch is the noise signal when the construction machine is in the working or traveling state, and maintains a start state of the construction machine, and
• wherein in the stage of determining whether the signal input to the start switch has been repeated the set number of times for the set time, when the signal has been repeated the set number of times for the set time, the construction machine is determined to be in an emergency situation and the start state of a vehicle of the construction machine is converted.