An air conditioner control device, comprising: a microcomputer configured to execute an inspection operation mode in which an air conditioner is operated in an inspection process in a manufacturing site, and a normal operation mode in which the air conditioner is operated at an installation site; confirm that there is an error when the operation state of the air conditioner fails to satisfy predetermined conditions; and abnormally stop the air conditioner; and a memory configured to store specific information by a command from the microcomputer; characterized in that the microcomputer is configured to cause the memory to store specific operation information obtained during a period until abnormal stoppage of the air conditioner when abnormally stopping the air conditioner, and the fact that the operation mode being executed at the time of occurrence of an error in the air conditioner is the inspection operation mode when an error is detected during execution of the inspection operation mode; and the normal operation mode comprises a plurality of control modes (911 to 921), and the microcomputer is configured to cause the memory to store specific operation information obtained during a period until abnormal stoppage of the air conditioner when abnormally stopping the air conditioner, and the fact that the operation mode being executed at the time of occurrence of an error in the air conditioner is the normal operation mode and the control mode (911 to 921) being executed at the time of occurrence of an error in the air conditioner when an error is detected during execution of the normal operation mode. a microcomputer configured to execute an inspection operation mode in which an air conditioner is operated in an inspection process in a manufacturing site, and a normal operation mode in which the air conditioner is operated at an installation site; confirm that there is an error when the operation state of the air conditioner fails to satisfy predetermined conditions; and abnormally stop the air conditioner; and a memory configured to store specific information by a command from the microcomputer; characterized in that the microcomputer is configured to cause the memory to store specific operation information obtained during a period until abnormal stoppage of the air conditioner when abnormally stopping the air conditioner, and the fact that the operation mode being executed at the time of occurrence of an error in the air conditioner is the inspection operation mode when an error is detected during execution of the inspection operation mode; and the normal operation mode comprises a plurality of control modes (911 to 921), and the microcomputer is configured to cause the memory to store specific operation information obtained during a period until abnormal stoppage of the air conditioner when abnormally stopping the air conditioner, and the fact that the operation mode being executed at the time of occurrence of an error in the air conditioner is the normal operation mode and the control mode (911 to 921) being executed at the time of occurrence of an error in the air conditioner when an error is detected during execution of the normal operation mode.