Table 4: SFMEA at method level for some components within the withdraw scenario.

Triggered hazard Component Failure mode Effect Severity

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

A fault in completing transaction Withdrawal The object of withdrawal component fails to create a new receipt Receipt will not be printed Minor

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