Fault Memory - Vaillant ecoMAX pro 18 E Instructions For Use Installation And Servicing

17 Fault finding

17.2 Fault Memory

The fault memory stores details of the five most recent
faults. To display the fault memory, proceed as follows;
•With the interface in 'normal' mode, press and hold the
'mode' button ( ) for 10 seconds until a flashing '0'
appears.
• Press the 'mode' button again.
• The 5 fault memory screens are now available to be
viewed, memory 1 being the most recent. Within each
memory screen, 5 additional screens provide further
information to assist the installer/engineer.
No. Memory screen type
1 Fault code
2 Burner phase
3 DHW temperature
4 CH flow temperature
5 Tank temperature
To cancel the fault memory mode proceed as follows;
• Press and hold the 'mode' button for 10 seconds until
the screen returns to the 'user' mode.
Instructions for Use, Installation and Servicing ecoMAX pro
Comments
Fault code 1 – 26 (see page 31 – 'Fault finding')
Working phase
No function
°C at time of fault
No function
31