Low
F.530 on Viessmann Vitodens 200-W B2KF Combi

Your boiler's solar water heating connection is not working correctly, but the boiler should continue to provide heating and hot water as normal.

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

Solar function limited

From this model's manual
Verified against the Viessmann Vitodens 200 W B2kf Combi installation & service manual, page 101.
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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F.531View →F.532View →

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