Boiler operates based on outdoor temperature of 32°F / 0°C / Constant Mode. Outdoor temperature sensor cable broken. Vitotronic / 100 / 200 / 300 / 050/200-H /300-K / Vitocontrol-S, MW1 with Vitotronic 100. Operates on basis of 32°F / 0°C outdoor temperature. Open circuit - Outdoor temperature sensor. The F1 Viessmann fault code relates to the flue gas temperature being too high. Let's take a look at what could be causing the Viessmann F1 Fault code and what it takes to fix the problem, but do be aware as this is a gas-related issue, only a qualified Gas Safe registered engineer can fix it, therefore this blog will help analyse the F1 fault code on your Viessmann boilers. 45 Access Road Warwick, Rhode Island • 02886 • USA Tel. (401) 732-0667 • Fax (401) 732-0590 www.viessmann-us.com • mail@viessmann-us.com. a well insulated hot water heating boiler and domestic hot water tank. clean combustion and high energy extraction. properly set the temperature for the DHW tank 4. Possible fault codes: F2, E1, E7, E8, E9, EA, EB, EC. A burner lockout is one of the few Viessmann boiler problems that won't give a clear indication of what's wrong. The most common fault code that's displayed is the Viessmann F2. That said, older boilers (such as the Vitocrossal 200) may display errors such as the E1, E7, E8, E9, EA, EB Fault Codes..100 Fault Display..103 Fault Codes..104 Boiler Temperature Control-Vitotronic 100..108 Boiler Temperature Control-Vitotronic 300-K..109 View online or download Viessmann Vitodens 300 Technical Manual, Service Instructions Manual, Datasheet, Installation Instructions Manual Calling up Fault Codes from the Fault Memory (Fault History) 73. Fault Codes. 74. Repairs. 83. Vitotronic 100, Type HC1, for Constant Temperature Operation. 20. Structure and Functions. 20. The Spare Parts app is an easy, quick and efficient way for contractors, technicians and engineers to find spare parts for Viessmann products. With just a serial number, Viessmann part information is now at your fingertips! Look up all the sub-assemblies for a product, select individual parts and put them in your basket, or save them for later. Boiler Viessmann Vitotronic 200 Operating Instructions Manual. Vitodens 200-w, b2ha models 45 to 150 wall-mounted, gas-fired condensing boiler in conjunction with the vitotronic 300-k mw2c cascade control for operation with natural gas and liquid propane gas heating input 55 to 530 mbh 16 to 150 kw read and s (20 pages) Control Unit Viessmann VIESSMANN Vitotronic 100 (Type KC2) - Support SAV (Service Après-vente) Dépannage entre utilisateurs VIESSMANN Vitotronic 100 (Type KC2) Date de fabrication : 2013 (Type KC2) en toute sécurité, ainsi que les fonctions spéciales et les codes d'erreur. Burner is locked out with fault code F7. Applies to: Vitodens 100, WB1A. View bulletin TSB-001. DHW and external heat demand not working. Applies to: Vitodens 200, WB2B Vitotronic 300-K, MW2C. View bulletin TSB-007. for all installation and service work. If you need assistance finding a contractor in your area, contact your Viessmann 1T9O.