ACF electronic fault alarms High

Vokera ACF electronic fault alarms Fault Code

Also written as ACFELECTRONICFAULTALARMS — same fault.

The Vokera ACF electronic fault alarms fault code means: your boiler's internal control brain is unable to talk to the rest of the unit, meaning it has shut down for your safety and will not provide heating or hot water.. It appears on 1 Vokera model in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: Red led fixed
Typical repair cost £200-450 (including labour)

Engineer required

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

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Vokera models that show the ACF electronic fault alarms fault code

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

Source

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

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026