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| Triggered hazard | Component | Failure mode | Effect | Severity |
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| A fault in dispensing cash | Cash dispenser | Cash dispenser is empty but not raising any exception | Money will be deducted from the account immediately, though the customer is not able to withdraw the said amount. As all transactions are maintained in the Log, the account will be updated by the banker later on | Critical |
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| A fault in completing transaction | Withdrawal | The object of withdrawal component fails to create a new receipt | Receipt will not be printed | Minor |
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| A fault in reading menu choice from the screen | Withdrawal | Failed to call the read menu choice method of an object of component customer console | Transaction cannot be performed | Marginal |
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