Low
S.08 on Vaillant ecoTEC Pro 30

Your boiler is perfectly fine; it is currently taking a short, programmed rest to prevent it from switching on and off too frequently.

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.

Technical description

Heating mode: Remaining anti-cycling time

Engineer required

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

Find a Gas Safe engineer
Search the official register →

Related fault codes

Related guides you might find useful