A board work system comprising: a first board work device provided with error information transmission means for transmitting error related information which relates to an error in a case where the error has occurred in the own device ; a second board work device , comprising error information reception means configured to receive error related information which relates to an error of the first board work device ; storage means configured to store the received error related information; notification means configured to notify information to an operator (P); notification control means configured to detect if a power source of the first board work device is switched off and to control the notification means such that information is notified to the operator (P) based on the error related information that is stored in the storage means in a case where a power source of the first board work device is detected to be switched off; characterized by a management device comprising error information transmission and reception means ; the first board work device transmitting, by the information transmission means , the error related information to the management device ; the management device receiving the error related information from the first board work device and transmitting the error related information to the second board work device by the error information transmission and reception means ; and the second board work device receiving, by the error information reception means , the error related information from the management device . a first board work device provided with error information transmission means for transmitting error related information which relates to an error in a case where the error has occurred in the own device ; a second board work device , comprising error information reception means configured to receive error related information which relates to an error of the first board work device ; storage means configured to store the received error related information; notification means configured to notify information to an operator (P); notification control means configured to detect if a power source of the first board work device is switched off and to control the notification means such that information is notified to the operator (P) based on the error related information that is stored in the storage means in a case where a power source of the first board work device is detected to be switched off; error information reception means configured to receive error related information which relates to an error of the first board work device ; storage means configured to store the received error related information; notification means configured to notify information to an operator (P); notification control means configured to detect if a power source of the first board work device is switched off and to control the notification means such that information is notified to the operator (P) based on the error related information that is stored in the storage means in a case where a power source of the first board work device is detected to be switched off; characterized by a management device comprising error information transmission and reception means ; the first board work device transmitting, by the information transmission means , the error related information to the management device ; the management device receiving the error related information from the first board work device and transmitting the error related information to the second board work device by the error information transmission and reception means ; and the second board work device receiving, by the error information reception means , the error related information from the management device . <EOS>