How much does it cost to fix Alpha error code 98?

Typical repair cost for the Alpha 98 fault is £150-300 including labour.

98 High

Alpha 98 Fault Code

Q: What does the Alpha 98 fault code mean?

Your boiler's computer has encountered too many internal processing errors and has safely locked itself to prevent further instability.

The Alpha 98 fault code means: your boiler's computer has encountered too many internal processing errors and has safely locked itself to prevent further instability.. It appears on 10 Alpha models in our database.

Technical description: Block - max. number of software errors. The maximum number of software errors possible has been reached

Typical repair cost £150-300 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Alpha models that show the 98 fault code

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

Source

Alpha 98 fault code information on this page is sourced and cross-checked against the official Alpha service / installation manuals for each affected model.

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