Low
S.26 on Glow-worm Energy 35 Store

Your boiler is currently blowing out leftover exhaust gases through the flue, which is a normal process that happens for a short time after you turn off your heating or hot water.

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

Fan overrun.

From this model's manual
Verified against the Glow Worm/Glow Worm Energy 35 Store Installation And Maintenance Instruc 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.

DIY fix possible

Wait for 5 to 10 minutes to see if the status code clears itselfCheck that there are no obstructions blocking the external flue pipe outside your homeIf the code stays on for hours without the boiler firing, try a simple reset

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Related fault codes

S.07View →S.34View →

All 72 fault codes on the Energy 35 Store

Seeing a different code? Every code this model can display, in one place.

F.00F.01F.02F.03F.10F.11F.12F.13F.20F.22F.23F.24F.26F.27F.28F.29F.32F.42F.49F.52F.53F.54F.56F.57F.61F.62F.63F.64F.65F.67F.68F.70F.71F.72F.73F.74F.77F.79F.81F.83F.84F.85F.86F22S.08S.10S.11S.13S.14S.15S.16S.17S.20S.21S.23S.24S.25S.27S.28S.30S.31S.32S.34S.39S.40S.41S.53S.54S.96S.98S.99

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