Verified boiler fault code
Keston 60 Fault Code (Heat 2)
Fan speed not achieved, for example during pre-purge or post-purge.
Safety disclaimer
Fault code summary
- Manufacturer
- Keston
- Fault code
- 60
- Fault type
- Fan, Flue
- Severity
- lockout
- Reset
- The Heat 2 fault screen shows a Press Reset prompt; do not repeatedly reset an unresolved fault.
- Applicable models
- Keston Heat 2 45, Keston Heat 2 55, Keston Heat 2 45P, Keston Heat 2 55P
Quick answer
Fan speed not achieved, for example during pre-purge or post-purge.
What does this fault code mean?
Fan speed not achieved, for example during pre-purge or post-purge.
Common causes
- Required fan speed not achieved.
Symptoms
- The boiler fault screen shows code 60 and a lockout condition.
What can the homeowner safely check?
- Record the code and do not remove the casing.
Boiler reset information
The Heat 2 fault screen shows a Press Reset prompt; do not repeatedly reset an unresolved fault.
When should I call an engineer?
Contact a suitably qualified heating engineer when the fault persists, the boiler locks out, or the manufacturer instructions do not resolve it. For gas appliance work in the UK, use a Gas Safe registered engineer.
Engineer diagnosis
- Check fan operation, speed feedback, wiring and flue resistance.
Applicable boiler models
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Manufacturer documentation
Keston Heat 2 Installation & Servicing ManualFAULT FINDING MENU: Fan speed not achieved, e.g. pre-purge-test, post-purge-test — code 60.
Last verified
2026-09-12
Frequently asked questions
What does Keston 60 mean?
Fan speed not achieved, for example during pre-purge or post-purge.
Can I reset a Keston 60 fault?
The Heat 2 fault screen shows a Press Reset prompt; do not repeatedly reset an unresolved fault.