PURPOSE: abnormality automatic detection alarm system provides detection abnormal in early stage situation in subway station and loss is preferably minimized life. CONSTITUTION: abnormality detection alarm system includes: abnormal state detection portion (23) in subway station, reverse control device (24), the control device and alarm bell generating portion (26) of power supply (25). Abnormal state detection portion (23) is connected to multiple ticket checking column (20) and bill release/distribution apparatus (21) (22) and detects that the signal of abnormality is more than that setting value is stored in a storage unit (36). Countercharge device (24) display category and be abnormal state generate to monitoring unit (27) and interruption power supply ticket checking column (20) and bill release/distribution apparatus (21) (22). Control device (25) interrupt power ticket checking column (20) of power source and bill release/distribution apparatus (21) (22), by controlling reverse control device (24). The specified warning message of alarm bell generating unit (26) output passes through control reverse control device (24)
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