Prepayment Function
Issue: 0.4
Page 61 of 90
P450 In Home Energy Monitor - DRAFT User Manual Commercial in Confidence. © Gyr
© Gyr
The lock out will be displayed to the meter in a visual message stating:
‘
Code entry is disabled Try
again in X minutes
’
(duration remaining on attempt to enter code). This can be seen in the following
example.
Figure 74 Code Entry Disabled for 1 Hour
11.7.3 24-hour lock out
If the user again attempts to enter a code after the end of the second lock out period, the P450 IHEM
will enter a period where 3 final attempts to enter the correct code will be allowed during a 24-hour
time frame before the final lock out mechanism is applied.
Once the 3 further failed attempts have been performed the P450 IHEM will disable access to the
code entry screen for 24 hours.
The lock out will be displayed to the meter in a visual message stating:
‘
Code entry is disabled Try
again in X hours X minutes
’
(duration remaining on attempt to enter code). This can be seen in the
following example.
At the end of the 24-hour period the lock out mechanism is reset and will again operate as defined in
examples 1, 2 and 3 again.
Figure 75 Code Entry Disabled for 24Hours
NB: To mitigate any potential over use of the lock out mechanism the P450 IHEM will
automatically lock out the user for 24 hours after 10 failed attempts in any one day are
registered in the P450 IHEM.
11.8 Emergency credit
The Emergency Credit function is selected from the prepay menu screen. On accessing the
emergency credit screen, the user is presented with the emergency credit status screen. The screen
