Low
d.95 on Glow-worm Ultimate3 Combi

Your boiler is displaying its internal software version number rather than a fault, which usually occurs after a power cycle or a temporary system glitch.

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

Softwareversions

From this model's manual
Verified against the Glow Worm/Glow Worm Ultimate3 Combi installation & service manual, page 44.
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

Turn the boiler off at the fused spur or power switchWait for 60 seconds to allow the system to resetTurn the power back on and observe if the display returns to normal

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Related fault codes

d.93View →d.94View →

All 170 fault codes on the Ultimate3 Combi

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

d.00d.01d.02d.04d.05d.06d.07d.08d.09d.10d.11d.13d.14d.15d.16d.17d.18d.19d.20d.21d.22d.23d.24d.25d.27d.28d.31d.33d.34d.35d.36d.39d.40d.41d.43d.45d.47d.50d.51d.58d.60d.61d.62d.64d.65d.66d.67d.68d.69d.70d.71d.73d.75d.77d.80d.81d.82d.83d.84d.85d.88d.90d.91d.93d.94d.96F.00F.01F.10F.11F.13F.20F.22F.23F.24F.25F.27F.28F.29F.32F.49F.61F.62F.63F.64F.65F.67F.68F.70F.71F.72F.73F.74F.75F.77F.78F.83F.84F.85F.86F.87F.88F.89F.97F2F22Main burner does not lightNeon 1 lit (No)neon 1 not litNeon 2 lit (No)neon 2 not litNeon 3 lit (No)neon 3 not litNeon 4 lit (No)neon 4 not litP.01P.02P.03P.04P.05P.06P.07Pilot does not lightPilot does not stay alightPump OverrunS.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

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