Low
Hot water demand indicator on Vaillant Turbomax VU 282

Your boiler is correctly recognizing that you have turned on a hot tap and is working exactly as it should.

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

The hot water demand indicator will illuminate when a hot tap is turned on and water is drawn at a high rate.

From this model's manual
Verified against the Vaillant Turbomax Vu 182 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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