How much does it cost to fix Ideal error code 88 H......F.....?

Typical repair cost for the Ideal 88 H......F..... fault is £150-350 including labour.

88 H......F..... High

Ideal 88 H......F..... Fault Code

Q: What does the Ideal 88 H......F..... fault code mean?

Your boiler is failing to light the fuel inside the unit because it cannot detect a flame, causing it to stop operating for safety reasons.

Also written as 88HF — same fault.

The Ideal 88 H......F..... fault code means: your boiler is failing to light the fuel inside the unit because it cannot detect a flame, causing it to stop operating for safety reasons.. It appears on 2 Ideal models in our database.

Technical description: FLAME DETECTION ERROR

Typical repair cost £150-350 (including labour)

DIY fix possible

Check if your gas supply is active by testing another gas appliance like a hob.Press and hold the 'Reset' button for five seconds to restart the ignition sequence.Ensure the external condensate pipe isn't frozen if the weather is extremely cold.

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Ideal models that show the 88 H......F..... fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Ideal 88 H......F..... fault code information on this page is sourced and cross-checked against the official Ideal service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026