What does the Glow-worm Energy F83 fault code mean?
The F83 fault code indicates a problem with the domestic hot water (DHW) air vent in the Glow-worm Energy boiler. This issue can prevent the boiler from properly venting air, which may affect its ability to heat water efficiently.
Common Causes
- Blocked Air Vent: A blockage in the air vent can restrict airflow, causing the fault code to trigger.
- Faulty Sensor: A malfunctioning sensor that detects air pressure can lead to incorrect readings and the F83 code appearing.
Can I fix it myself? (DIY)
It is recommended to call a Gas Safe Engineer to address this issue, as it involves gas and electrical components that can be dangerous if handled improperly.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving the F83 fault could be around £150 to £250, depending on whether the air vent needs cleaning or replacement, as well as any associated labour costs.