BoilerFaultCodes A07 High
Ariston A07 Fault Code
The Ariston A07 fault code means: your boiler has tried to light several times during its cycle but the flame keeps going out, causing the system to lock itself for safety.. It appears on 13 Ariston models in our database.
Technical description: Too many failures to flame in one period during operation
Typical repair cost £120-350 (including labour)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Search the official register for a qualified engineer in your area.
Gas Safe Register →Ariston models that show the A07 fault code
Click a model for the full fault code list and model-specific repair notes.
- Challenger 80E Repair: £150-300
- Clas One Repair: £120-250
- E-Combi One Repair: £150-300
- E-Combi One 30 Repair: £150-300
- Euro Combi 30 MFFI Repair: £120-£280
- Euro Prisma 24 Repair: £120-250
- Genus 24 MFFI Repair: £120-£250
- Genus 27 Repair: £120-350
- Genus 30 Plus Repair: £150-300
- Genus One 24 Repair: £120-250
- Genus One 30 Repair: £120-250
- Genus Premium Repair: £100-£350
- Microsystem 15 Repair: £150-300
Source
Ariston A07 fault code information on this page is sourced and cross-checked against the official Ariston service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026