BoilerFaultCodesWhat the manual says
Manufacturer manualParameters have been restored (parameter set was flashed to BCU electronics module).
From this model's manual
Verified against the Viessmann/Viessmann Vitodens 100 W Wb1a installation & service manual.
DIY fix possible
Check the boiler display for any other fault codes, and note them down if there are any.Check the time, date and heating and hot water schedules on the boiler or thermostat, and set them back to how you like them.Turn the boiler off at its on/off switch, wait 30 seconds, then turn it back on and see whether the code clears.If the code returns or the boiler stops heating or producing hot water, contact a Gas Safe registered engineer.
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Related fault codes
All 170 fault codes on the Vitodens 200-W B2KE-19
Seeing a different code? Every code this model can display, in one place.
F.7F.8F.9F.10F.11F.12F.13F.14F.15F.16F.29F.30F.49F.50F.57F.58F.59F.62F.63F.65F.67F.68F.69F.70F.71F.72F.73F.74F.77F.89F.91F.92F.93F.94F.100F.104F.142F.160F.161F.162F.163F.182F.183F.184F.185F.299F.342F.345F.346F.348F.349F.350F.351F.352F.353F.354F.355F.357F.359F.361F.365F.366F.367F.368F.369F.370F.372F.373F.375F.377F.378F.380F.381F.382F.383F.384F.385F.386F.387F.388F.395F.396F.399F.400F.401F.402F.403F.404F.405F.406F.408F.410F.416F.417F.418F.425F.426F.427F.428F.429F.430F.432F.433F.436F.437F.440F.441F.442F.443F.444F.445F.446F.447F.448F.449F.450F.451F.452F.453F.454F.455F.456F.457F.458F.461F.462F.463F.464F.467F.468F.471F.473F.474F.517F.527F.528F.530F.538F.539F.540F.542F.543F.544F.545F.546F.547F.574F.575F.576F.577F.578F.579F.580F.581F.582F.666F.667F.668F.669F.670F.671F.672F.673F.682F.683F.684I.55I.56I.57