Glow-worm Flexicom fault S.97
Water pressure sensor check is running, demand (DHW or heating) is blocked
Gas boilerWhat it means
A water pressure sensor check is in progress, blocking DHW or heating demand.
Likely causes
- Pump seized
- Boiler water temperature falling below 8°C
Where to start
- Check connection to pressure sensor
- Check pump has not seized
- Confirm gas and electric supplies are ON.
The full answer, free
- 28 more checks in order
- The readings and component tests from the manual
- How to put it right, step by step
- The manual page for this fault (page 38), right under the answer
Safety: Isolate gas and power before you open the case. If you have been into the gas side, do a tightness test, and a combustion and flue check before you hand back. Gas Safe (UK) or RGI (Ireland) work only.
From the Glow-worm manual for the Flexicom. Check the model on the data plate before you order parts.