Troubleshooting Fault F2 - Vitodens 100 B1HA/B1KA

[@pachecers10]

Video is very informative. Dont work on alot of these or have anyone else in the company who knows much about these. Might have just saved me a call to tech support. Thanks

[@ericdsouza8444]

Great video sir many thanks for uploading

[@audenandersen1549]

How come tech support for viessman can’t tell me what the voltage is that goes from the board to gas valve . Vitomens 100-w