Remeha Avanta Plus 28C P5 Parameter

[Neil Callaway]

Have seen that the P5 parameter should be changed from factory setting to 1, if you are using a room thermostat with an anticipator, just wondering why it makes a difference, it can stop the E5 error appearing apparentley. Does anyone have any experience of this problem?
Just started working on a contract which has Remeha and Buderus boilers fitted.

Thanks in advance
Neil