| 摘要 |
A dark current cutoff device (1) includes: a battery (10) configure to perform electrical power supply to a load (20); a cutoff switch (32), which is provided between the battery (10) and the load (20), cuts off the electrical power supply to the load (20) at a time of being opened, and supplies electrical power to the load (20) at a time of being closed; a failure recording unit (21) that determines and records a case where the load (20) does not operate as a failure of the load (20); and an open/close determining unit (41) that determines that the cutoff switch (32) is opened; and a recording prohibiting unit (22) configure to prohibit, in a case where the cutoff switch (32) is determined to be opened by the open/close determining unit (41), the failure recording unit (21) from determining and recording the failure. |
