Unknown
47 on Alpha E-Tec 33

Alpha E-Tec 33 fault code 47

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

What the manual says

Manufacturer manual

Reduced burner output: Flue thermostat has sensed high flue gas temperature (110°C) and reduced the burner output to prevent damage. If the temperature continues to rise the boiler will lock out and E03 will be displayed

From this model's manual
Verified against the Alpha/Alpha E Tec 28 Combi installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

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

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All 32 fault codes on the E-Tec 33

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

0102030405060810121516202223242527293137384345516061707576nSr

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