Glow-worm Boiler Fault Codes – Repairs & Diagnostics in Liverpool
Response Boiler Repairs Liverpool offers professional diagnosis and repair of all Glow-worm boiler fault codes — including F16, F28, F4, and F75. We work with Energy, Ultimate, Betacom, and older Glow-worm models across Liverpool.
If your boiler has no heating, no hot water, or keeps locking out, we can help restore it safely.
Common Glow-worm Fault Codes We Fix
Frequent Glow-worm error codes include:
- F16 – Ignition/burner issue
- F28 – Ignition failure
- F4 – Flow temperature fault
- F75 – Pump/pressure sensor issue
- F22 – Low pressure
We diagnose electrical faults, pump failures, ignition issues, blocked condensates, and more.
Your Local Glow-worm Boiler Expert
We’re a family-run Liverpool business with 20+ years of boiler repair experience.
Rated 4.9★ on Google, we provide honest, clean, and reliable service with a 6-month warranty on all Glow-worm repairs.
Our engineer carries the proper testing tools for airflow, ignition, gas rate, sensors, and PCB diagnosis.
Book Glow-worm Boiler Repairs Today
Many Glow-worm boilers lock out for safety — repeated resets can cause more damage.
Call: 07856 297070
🌐 Visit our Google Business Profile to book a trusted local engineer today.
Glow-worm Boiler Fault Codes (Liverpool Repairs)
F.28 – Ignition fault – our engineers will restore heating and hot water.
F.75 – Pump or water circulation issue – safe repair required.
F.61 – Control or gas valve fault – contact us for professional help.
F.20 – Overheating – urgent safety inspection needed.
F.22 – Low water pressure – our engineers will check and refill safely.
F.83 – Temperature sensor issue – professional repair needed.
F.33 – Fan or airflow fault – safe repair required.
F.64 – Electronic issue – let us fault-find and repair.
F.70 – System sensor error – call for reliable repair.
F.85 – Control board issue – our Gas Safe team can fix it.
Common Questions About Glow-worm Boiler Faults
What does F1 mean on a Glow-worm boiler?
F1 indicates low water pressure. The system may need topping up or the expansion vessel checked.
What causes the F4 fault on Glow-worm boilers?
F4 shows ignition or flame failure, often caused by faulty ignition electrodes or gas supply issues that need Gas Safe testing.
How do I arrange a Glow-worm boiler repair in Liverpool?
Call 07856 297070 to speak to an on-call local engineer. We provide expert diagnosis and repair for Glow-worm boiler faults.
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