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Prepayment Function
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P450 In Home Energy Monitor - DRAFT User Manual
code is date dependent in that if the code is not activated on issue it will only work for the number of
days remaining associated with the defined duration.
11.5.3 Global emergency code
The Global Emergency Code provides a back-up feature if there are networking infrastructure issues.
The principle operation is the same as the customer emergency code in that it will not disconnect the
customer whilst it is active.
The duration of the code entered is dependent on the period that has been defined by the utility and
the code that has been activated in the meter.
11.6 Code entry process
The user should use the key pad on the code entry screen to apply a 20-digit code.
If the user has entered an incorrect value, then the Delete button can be selected to remove the
incorrect value. Once all 20 digits have been entered the Enter key is enabled.
At this point the user should select the enter key to offer the code to the electricity meter.
11.6.1 Code Validation
When a code is offered to the meter the P450 IHEM displays a Validating Code screen which will be
displayed until the validation process is completed.
NB: It can take up to 1 minute to complete the processing of a code request
The validating code screen can be seen in the following example.
Figure 69 Validating Code Screen
Once the validation has been completed by the meter it will return either a Success or Invalid
notification to the user.
11.6.2 Successful validation
The P450 IHEM will display a success message based on the type of code that has been applied. If a
payment code has been successfully applied, then the P450 IHEM will display the following screen.
