Medium
c0 on Ideal Logic Code Combi

Your boiler has detected an internal issue and is prompting you to perform a manual reset to see if it can clear the error and restart successfully.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

RESET BOILER

Shared across the Logic Code range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Locate the Reset button on the front control panelPress and hold the button for 3 to 5 secondsWait for the boiler to cycle and check if the code clears and the burner ignites

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Related fault codes

L0View →F1View →

All 16 fault codes on the Logic Code Combi

Seeing a different code? Every code this model can display, in one place.

BCC Activation FaultBCC Faultc2False Flame LockoutFan FaultFlame LossFlow Temperature OverheatFlow ThermistorL1Low Mains VoltageLow Water PressureNo Water FlowNo Water Flow ThermistorOutside Sensor FaultReturn Thermistor

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