Low
738 on Viessmann Vitodens 050-W B0KA-30-M

Your boiler's heating controller is connected but has not yet been set up to work with the boiler, so the two cannot fully communicate, and this is usually a simple setup fix.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

OpenTherm remote control connected but not configured

From this model's manual
Verified against the Viessmann/Viessmann Vitodens 050 W B0ha B0ka 6194588 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

F22View →F28View →

All 131 fault codes on the Vitodens 050-W B0KA-30-M

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

78131449505758596263646768697071727374757778878995104142161163182183184299346347348349350351352353354355357359361364365366367369370371372373374375376377378379380381382383384385386387388393394399400401402403404405406408410416417418425446447448449450451452453454455456457458461462463464467468471474527528540574575576577578579682683684694766767799979980981982E10E12

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