BoilerFaultCodesIdeal C0 Fault Code
The Ideal C0 fault code means: your boiler's internal memory chip has failed to communicate correctly with the main control board, meaning the system cannot identify its own settings.. It appears on 27 Ideal models in our database.
Technical description: Boiler chip card (BCC) activation fault
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Ideal models that show the C0 fault code
Click a model for the full fault code list and model-specific repair notes.
- Classic Repair: £150-250
- Combi I Repair: £150-250
- i Mini Repair: £100-250
- Independent Repair: £150-300
- Instinct 24 Repair: £150-250
- Instinct 30 Repair: £150-250
- Instinct 35 Repair: £150-250
- Logic + Heat 12
- Logic + Heat 15
- Logic + Heat 18
- Logic + Heat 24
- Logic + Heat 30
- Logic + System 15
- Logic + System 18
- Logic + System 24
- Logic Code Combi
- Logic Code Combi ES26
- Logic Code Combi ES33
- Logic Code Combi ES38
- Logic Combi ES24
- Logic Combi ES30
- Logic Combi ES35
- Logic Combi ESP24
- Logic Combi ESP30
- Logic Combi ESP35
- Logic Max Combi Repair: £150-250
- Vogue Repair: £120-280
Source
Ideal C0 fault code information on this page is sourced and cross-checked against the official Ideal service / installation manuals for each affected model.
- Ideal Instinct 35 manual (PDF)
- Ideal Logic + Heat 30 manual (PDF)
- Ideal Logic + System 24 manual (PDF)
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 31 August 2026