Medium
416 on Viessmann Vitodens 100-W B1HF-25

Your boiler has stopped or flagged a problem because a sensor that monitors the hot exhaust gases is not sitting in the right place, so it cannot read the temperature safely.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

If the flue gas temperature sensor is not positioned correctly, fault message 416 appears.

From this model's manual
Verified against the Viessmann/Viessmann Vitodens 100 W B1hf B1kf 6167586 installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

417View →415View →

All 151 fault codes on the Vitodens 100-W B1HF-25

Seeing a different code? Every code this model can display, in one place.

78111213141516293049505758596263646567686970717273747577788789919295100102103104142161162163176182183184185299345346347348349350351352353354355357359361364365366367368369370371372373374375376377378379380381382383384385386387388395396399400401402403404405406408410417418425446447448449451452453454455456457458461462463464467468471474477517527528540544545574575576577578579682683684694738766767799979980981982E10E12

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