BoilerFaultCodesWhat the manual says
Manufacturer manualFan frost protection function active: Fan speed outside the tolerance values - Plug on fan not correctly plugged in, multiple plug on PCB not correctly plugged in, break in cable harness, fan blocked, Hall sensor defective, electronics defective
From this model's manual
Verified against the Glow Worm/Glow Worm Easicom3 System installation & service manual, page 43.
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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Related fault codes
All 90 fault codes on the Easicom3 System
Seeing a different code? Every code this model can display, in one place.
F.00F.01F.10F.11F.13F.20F.22F.23F.24F.25F.27F.28F.29F.49F.61F.62F.63F.64F.65F.67F.68F.70F.71F.72F.73F.74F.75F.77F.78F.83F.84F.85F.86F.87F.88F.89F.97F22P.01P.02P.03P.04P.05P.06P.07S.0S.01S.02S.03S.04S.05S.06S.07S.08S.10S.11S.13S.14S.15S.16S.17S.20S.21S.22S.23S.24S.25S.26S.27S.28S.30S.31S.32S.33S.34S.39S.41S.42S.46S.53S.54S.88S.91S.96S.97S.98S.99S.108S.109