What does the Glow-worm Ultimate F36 fault code mean?
The F36 fault code on the Glow-worm Ultimate indicates an electrical fault within the boiler’s system. This can affect the boiler’s ability to operate correctly, leading to heating and hot water issues.
Common Causes
- Wiring Issues: Damaged or loose wiring connections can disrupt the electrical flow, causing the fault code to appear.
- Faulty Components: Malfunctioning electrical components, such as the PCB (Printed Circuit Board), can trigger the F36 error.
Can I fix it myself? (DIY)
It is strongly advised to call a Gas Safe Engineer for any electrical issues, as working on gas appliances can be dangerous. Attempting DIY repairs without proper training may lead to further damage or safety hazards.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving an F36 fault could range from £150 to £300, depending on whether wiring repairs or component replacements are needed. This cost reflects the complexity of diagnosing and fixing electrical faults in boilers.