Prepayment Function
Issue: 0.4
Page 57 of 90
P450 In Home Energy Monitor - DRAFT User Manual Commercial in Confidence. © Gyr
© Gyr
Once the value has been set the user should select the Save button to where the new value will be
saved to the P450 IHEM. Once the new value has been saved a confirmation screen will be displayed
to confirm the action and the associated value. The low credit new value saved screen can be seen in
the following example.
Figure 67 New Low Credit Alarm Saved
11.5 Enter code
The Enter Code function is selected from the prepay menu screen. On accessing the enter code
screen a key pad entry screen is shown to the user. From this screen the user can enter the 20-digit
code details for the following:
Payment Code
Global Code
Customer Emergency Code
The enter code screen can be seen in the following example.
Figure 68 Enter Code Screen
11.5.1 Payment Code
When a Prepayment transaction has failed to reach the meter, it will be possible to enter a
prepayment vend code at the P450 IHEM. This will typically be the 20-digit code that is on the
customer receipt issued at the time that the transaction was performed.
11.5.2 Customer emergency code
The Customer Emergency Code provides a back-up feature if there are device issues or a customer
is unable to purchase additional credit. The principle of an emergency code is to ensure that the
customer has power. Whilst an emergency code is active the customer will not disconnect.
Customer specific emergency codes will only work for the selected meter. The duration that the code
will last can be defined by the utility with the duration selectable between 1-127 days. A customer