High
Ignition indicator on Vaillant Turbomax VU 182

Your boiler is struggling to light the burner, meaning it is currently unable to produce heat or hot water.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

The gas valve will open and sparking will commence at the burner. The ignition indicator will illuminate.

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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