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F62F63F64F65F66F67F68Quick answer
On Glow-worm boilers, fault code F61 means: Control system error. The boiler has locked out for safety. Try the safe checks below and one reset; if the code returns, call a qualified gas engineer.
Smell gas? Don't use switches or flames, open windows, close the gas valve, leave the building and call your gas emergency number. Never open the boiler casing yourself.
Can I keep using the boiler?
Severity: Medium
The boiler has locked out for safety. Try the safe checks below and one reset; if the code returns, call a qualified gas engineer.
Common causes
- Faulty control or motor board
- Unstable mains power or a loose plug/socket
How to fix it
- Press the boiler's reset button once and wait for it to restart
- Have a qualified gas engineer inspect the boiler; never open gas or flue parts yourself
Frequently asked questions
What does Glow-worm error F61 mean?
On Glow-worm boilers, fault code F61 means: Control system error.
How do I fix Glow-worm error F61?
Start with these steps: Press the boiler's reset button once and wait for it to restart; Have a qualified gas engineer inspect the boiler; never open gas or flue parts yourself.
Is it safe to use the boiler with fault F61?
Severity: Medium. The boiler has locked out for safety. Try the safe checks below and one reset; if the code returns, call a qualified gas engineer.