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ecoTEC plus 937 (2012 - 2015) Engineer Support
Welcome to the Engineer Technical Support section. Please use the different sections below to find answers to your technical questions. You can also find a range of useful contact numbers, including Technical support, here.
Fault Finding Sections
Technical Information
Diagnostic (D) Codes
Installation (P) Codes
Status (S) Codes
Fault (F) Codes
Wiring diagrams
Roomstat connection
Fault Finding
Please check the image below for fault Finding information:
Available Literature
Combi Installation & Servicing Manual User Manual Flue Guide
Disclaimer: Whilst every attempt is made to ensure the accuracy of information contained on this help centre, errors can occasionally occur. The Vaillant Group cannot accept any responsibility for any reliance upon such information, any omissions or any subsequent loss or damage.Vaillant Group recommends that only qualified, gas safe registered engineers carry out repairs, installation or servicing.Vaillant Group reserves the right to amend , update, or withdraw any information within the help centre without prior notice.
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