To reduce the probability of simultaneous generation of faults as much as possible in both of money depositing processing and money dispensing processing.

When money depositing processing for carrying bills charged into a deposited bill charging part to a deposited bill storing part by a deposited bill carrier and storing the carried bills in the deposited bill storing part and money dispensing processing for carrying dispensed bills delivered from a dispensed bill storing part to a dispensed bill collection part by a dispensed bill carrier and collecting the carried bills by the dispensed bill collection part are executed in parallel and a fault is generated in one processing, the other processing is stopped on a previously specified step.