ALL 32 High

Sime ALL 32 Fault Code

Also written as ALL32 — same fault.

The Sime ALL 32 fault code means: your boiler's internal settings have become scrambled, meaning the control board no longer understands how your heating system is supposed to be configured.. It appears on 1 Sime 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: thrEE-zonAEP RsEystEm configura- tion Error
Typical repair cost £120-250 (including labour)

Engineer required

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

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Sime models that show the ALL 32 fault code

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

Source

Sime ALL 32 fault code information on this page is sourced and cross-checked against the official Sime service / installation manuals for each affected model.

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