GREEN LED ON every 6-secs Low

Pro GREEN LED ON every 6-secs Fault Code

Also written as GREENLEDONEVERY6SECS — same fault.

The Pro GREEN LED ON every 6-secs fault code means: your boiler is working correctly and is simply in standby mode waiting for you to turn on the heating or hot water.. It appears on 1 Pro model in our database.

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: At stand-by with no faults
Typical repair cost £0 (including labour)

DIY fix possible

Turn on your central heating thermostat to test functionTurn on a hot water tap to ensure the boiler fires upNo action is required as this is normal operation

Find a Gas Safe engineer

Search the official register for a qualified engineer in your area.

Gas Safe Register →
Boiler cover options

Avoid the next call-out bill

A cover plan would handle faults like GREEN LED ON every 6-secs: no call-out fees, no surprise bills.

Approved partner
Domestic Appliance Guard
Unlimited call-outs, 24/7 helpline, no price-hike promise
Get a quote →

Affiliate links. We may earn a commission at no extra cost to you.

Pro models that show the GREEN LED ON every 6-secs fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Pro GREEN LED ON every 6-secs fault code information on this page is sourced and cross-checked against the official Pro service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026