Low
S.31 on Glow-worm Energy7 Regular

Your boiler is currently in standby mode because it has not received a request for heating or hot water from your thermostat or internal timer.

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

Noheatingdemand:Summermode,eBUScontrol,waitingperiod

From this model's manual
Verified against the Glow Worm Energy7 Regular installation & service manual, page 40.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Check your room thermostat or smart controller settings to ensure the target temperature is set higher than the current room temperature.Verify that your heating timer or programmer is currently set to an 'ON' period.If you have a hot water cylinder, check that the hot water thermostat is not already satisfied.

Find a Gas Safe engineer
Search the official register →

Avoid the next call-out bill

Monthly cover means no unexpected bills when your boiler breaks down.

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.

Related fault codes

Related guides you might find useful