Abnormality diagnosis system

An abnormality diagnosis system that includes a server and multiple devices interconnected via a network,

• on occurrence of a communication failure between the server and a first device among the multiple devices, the server instructing a second device among the multiple devices other than the first device to make a diagnosis of abnormality in the first device,
• the second device receiving the instruction and obtaining first setting information, which is required for communication with the server and is set in the first device, from the first device,
• the second device comparing the obtained first setting information with second setting information, which is required for communication with the server and is set in the second device, to make diagnosis of the communication failure due to an error of the first setting information,
• the second device informing the server of a result of the diagnosis.

An abnormality diagnosis system that includes a server and multiple devices interconnected via a network,

• on occurrence of a communication failure between the server and a first device among the multiple devices, the server instructing a second device among the multiple devices other than the first device to make a diagnosis of abnormality in the first device,
• the second device receiving the instruction and requesting the first device to transmit a diagnosis signal to at least one communication device located on a communication path from the first device to the server,
• the first device transmitting the diagnosis signal to the communication device upon the request and receiving a response from the communication device to the diagnosis signal,
• the second device acquiring a result of the response from the communication device to the diagnosis signal, from the first device and making diagnosis of the communication failure due to an abnormality on the communication path, based on the acquired result of the response,
• the second device informing the server of a result of the diagnosis.

An abnormality diagnosis system that includes a server and multiple devices interconnected via a network,

• on occurrence of a communication failure between the server and a first device among the multiple devices, the server instructing a second device among the multiple devices other than the first device to make a diagnosis of abnormality in the first device,
• the second device receiving the instruction, transmitting a diagnosis signal to the first device, and receiving a response from the first device to the diagnosis signal,
• the second device making diagnosis of the communication failure based on the response from the first device to the diagnosis signal,
• the second device informing the server of a result of the diagnosis.

An abnormality diagnosable device that is connected with a server and at least one device via a network,

• on occurrence of a communication failure between the device and the server, the abnormality diagnosable device receiving an instruction from the server and making a diagnosis of abnormality in the device specified as a diagnosis object device,
• the abnormality diagnosable device comprising:
• an abnormality diagnosis module that makes diagnosis of the communication failure with regard to the diagnosis object device;
• and
• a notification module that informs the server of a result of the diagnosis.

An abnormality diagnosable device that is connected with a server and at least one device via a network,

• on occurrence of a communication failure between the device and the server, the abnormality diagnosable device receiving an instruction from the server and making a diagnosis of abnormality in the device specified as a diagnosis object device,
• the abnormality diagnosable device comprising:
• an information acquisition module that obtains first setting information, which is required for communication with the server and is set in the diagnosis object device, from the diagnosis object device;
• an information storage module that stores second setting information, which is required for communication between the abnormality diagnosable device and the server;
• an abnormality diagnosis module that compares the obtained first setting information with the stored second setting information and makes diagnosis of the communication failure due to an error of the first setting information;
• and
• a notification module that informs the server of a result of the diagnosis.

An abnormality diagnosable device that is connected with a server and at least one device via a network,

• on occurrence of a communication failure between the device and the server, the abnormality diagnosable device receiving an instruction from the server and making a diagnosis of abnormality in the device specified as a diagnosis object device,
• the abnormality diagnosable device comprising:
• a request module that requests the diagnosis object device to transmit a diagnosis signal to at least one communication device located on a communication path from the diagnosis object device to the server;
• an information acquisition module that acquires a result of a response from the communication device to the diagnosis signal, from the diagnosis object device;
• an abnormality diagnosis module that makes diagnosis of the communication failure due to an abnormality on the communication path, based on the acquired result of the response;
• and
• a notification module that informs the server of a result of the diagnosis.

An abnormality diagnosable device that is connected with a server and at least one device via a network,

• on occurrence of a communication failure between the device and the server, the abnormality diagnosable device receiving an instruction from the server and making a diagnosis of abnormality in the device specified as a diagnosis object device,
• the abnormality diagnosable device comprising:
• a retrieval module that transmits a diagnosis signal to the diagnosis object device and receives a response from the diagnosis object device to the diagnosis signal;
• an abnormality diagnosis module that makes diagnosis of the communication failure based on the received response from the diagnosis object device to the diagnosis signal;
• and
• a notification module that informs the server of a result of the diagnosis.

An abnormality diagnosis method of making a diagnosis of abnormality in a first device among multiple devices connected with a server via a network, on occurrence of a communication failure between the first device and the server,

• the abnormality diagnosis method comprising the steps of:
• (a) causing the server to instruct a second device among the multiple devices other than the first device to make the diagnosis of abnormality in the first device;
• (b) causing the second device to receive the instruction and to make diagnosis of the communication failure with regard to the first device;
• and
• (c) causing the second device to inform the server of a result of the diagnosis.

An abnormality diagnosis method of making a diagnosis of abnormality in a first device among multiple devices connected with a server via a network, on occurrence of a communication failure between the first device and the server,

• the abnormality diagnosis method comprising the steps of:
• (a) causing the server to instruct a second device among the multiple devices other than the first device to make the diagnosis of abnormality in the first device;
• (b) causing the second device to receive the instruction and to obtain first setting information, which is required for communication with the server and is set in the first device, from the first device;
• (c) causing the second device to compare the obtained first setting information with second setting information, which is required for communication with the server and is set in the second device, and to make diagnosis of the communication failure due to an error of the first setting information;
• and
• (d) causing the second device to inform the server of a result of the diagnosis.

An abnormality diagnosis method of making a diagnosis of abnormality in a first device among multiple devices connected with a server via a network, on occurrence of a communication failure between the first device and the server,

• the abnormality diagnosis method comprising the steps of
• (a) causing the server to instruct a second device among the multiple devices other than the first device to make the diagnosis of abnormality in the first device;
• (b) causing the second device to receive the instruction and to request the first device to transmit a diagnosis signal to at least one communication device located on a communication path from the first device to the server;
• (c) causing the first device to transmit the diagnosis signal to the communication device upon the request and to receive a response from the communication device to the diagnosis signal;
• (d) causing the second device to acquire a result of the response from the communication device to the diagnosis signal, from the first device and to make diagnosis of the communication failure due to an abnormality on the communication path, based on the acquired result of the response;
• and
• (e) causing the second device to inform the server of a result of the diagnosis.

An abnormality diagnosis method of making a diagnosis of abnormality in a first device among multiple devices connected with a server via a network, on occurrence of a communication failure between the first device and the server,

• the abnormality diagnosis method comprising the steps of
• (a) causing the server to instruct a second device among the multiple devices other than the first device to make the diagnosis of abnormality in the first device;
• (b) causing the second device to receive the instruction, to transmit a diagnosis signal to the first device, and to receive a response from the first device to the diagnosis signal;
• (c) causing the second device to make diagnosis of the communication failure based on the response from the first device to the diagnosis signal;
• and
• (d) causing the second device to inform the server of a result of the diagnosis.

A computer program product used with a computer, which is connected with a server and at least one device via a network, on occurrence of a communication failure between the device and the server, the computer program product causing the computer to receive an instruction from the server and make a diagnosis of abnormality in the device specified as a diagnosis object device,

• the computer program product comprising:
• a first program code that causes the computer to make diagnosis of the communication failure with regard to the diagnosis object device;
• a second program code that causes the computer to inform the server of a result of the diagnosis;
• and
• a computer readable medium that stores the first program code and the second program code.

A computer program product used with a computer, which is connected with a server and at least one device via a network, on occurrence of a communication failure between the device and the server, the computer program product causing the computer to receive an instruction from the server and make a diagnosis of abnormality in the device specified as a diagnosis object device,

• the computer program product comprising:
• a first program code that causes the computer to obtain first setting information, which is required for communication with the server and is set in the diagnosis object device, from the diagnosis object device;
• a second program code that causes the computer to compare the first setting information with second setting information, which is required for communication with the server and is set in the computer, and to make diagnosis of the communication failure due to an error of the first setting information;
• a third program code that causes the computer to inform the server of a result of the diagnosis;
• and
• a computer readable medium that stores the first program code, the second program code, and the third program code.

A computer program product used with a computer, which is connected with a server and at least one device via a network, on occurrence of a communication failure between the device and the server, the computer program product causing the computer to receive an instruction from the server and make a diagnosis of abnormality in the device specified as a diagnosis object device,

• the computer program product comprising:
• a first program code that causes the computer to request the diagnosis object device to transmit a diagnosis signal to at least one communication device located on a communication path from the diagnosis object device to the server;
• a second program code that causes the computer to acquire a result of a response from the communication device to the diagnosis signal, from the diagnosis object device;
• a third program code that causes the computer to make diagnosis of the communication failure due to an abnormality on the communication path, based on the acquired result of the response;
• and
• a fourth program code that causes the computer to inform the server of a result of the diagnosis;
• and
• a computer readable medium that stores the first program code, the second program code, the third program code, and the fourth program code.

A computer program product used with a computer, which is connected with a server and at least one device via a network, on occurrence of a communication failure between the device and the server, the computer program product causing the computer to receive an instruction from the server and make a diagnosis of abnormality in the device specified as a diagnosis object device,

• the computer program product comprising:
• a first program code that causes the computer to transmit a diagnosis signal to the diagnosis object device and to receive a response from the diagnosis object device to the diagnosis signal;
• a second program code that causes the computer to make diagnosis of the communication failure based on the received response from the diagnosis object device to the diagnosis signal;
• and
• a third program code that causes the computer to inform the server of a result of the diagnosis;
• and
• a computer readable medium that stores the first program code, the second program code, and the third program code.