Viessmann · Vitodens 050-W
767 boiler fault code
Vitodens 050-W types B0HA / B0KA
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What 767 means
Flue-gas temperature is too high.
Safe check
Read and note code 767 and visible display indicators. Do not inspect or disturb the flue.
When to contact an engineer
Arrange a qualified heating engineer to diagnose the flue-gas temperature fault and any internal combustion or flue components.
Safety notice
A boiler fault code alone is not a gas or carbon-monoxide emergency. If you smell gas, a CO alarm sounds, anyone feels unwell, or there is an unsafe flame, leave and call 0800 111 999 from outside.
Source and provenance
- Vitodens 050-W types B0HA/B0KA · 6194588 GB
installation and service instructions
12/2022 · document 6194588 GB