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Andrew Smith
Andrew Smith, Home Appliance Technician
Category: Appliance
Satisfied Customers: 3767
Experience:  Gas cooker specialist
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What is the kW vaillant 824 boiler pls. I have fault

Customer Question

What is the kW for an vaillant 824 boiler pls. I have fault code f70
Submitted: 3 years ago.
Category: Appliance
Expert:  Andrew Smith replied 3 years ago.
***** ***** : Is the boiler doing anything?
JACUSTOMER-2mabv1or- : Nothing at all. I have changed the pcb for Eco tech plus 824. Now it is showing f70- apparently I need to adjust pcb.
JACUSTOMER-2mabv1or- : What do I need to do pls
***** ***** : Have you got the old PCB?
JACUSTOMER-2mabv1or- : Yes
***** ***** : You need to take the coding resistor and swap it off the old one
JACUSTOMER-2mabv1or- : It s not working though - the display has gone
***** ***** : X20 - pink connection, is there a plug in part on it?
***** ***** : Between pin 2 and pin 15
JACUSTOMER-2mabv1or- : Just checking
JACUSTOMER-2mabv1or- : Yes found it
***** ***** : Are you able to swap it to tell the PCB what appliance it is set for?
***** ***** : Did you not get the correct PCB for the boiler?
***** ***** : It should come set up correctly?
JACUSTOMER-2mabv1or- : i need to know the D number - in order to reset it. Don't have D93 - but have d91& d 97
***** ***** : Do you have the manual?
JACUSTOMER-2mabv1or- : On the display unit - it asks for a d number
JACUSTOMER-2mabv1or- : No manuel
***** ***** :
***** ***** : Page 51
***** ***** : 6
***** ***** : code D6