How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Andrew Smith Your Own Question
Andrew Smith
Andrew Smith, Home Appliance Technician
Category: Appliance
Satisfied Customers: 3633
Experience:  Gas cooker specialist
46681511
Type Your Appliance Question Here...
Andrew Smith is online now

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: 2 years ago.
Category: Appliance
Expert:  Andrew Smith replied 2 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
***** ***** : http://www.vaillant.co.uk/mediaarchive/2013/09/ecoTEC-installation-and-servicing-manual.pdf
***** ***** : Page 51
***** ***** : 6
***** ***** : code D6