Alpha InTec 30C, 34C Error 51: Climatic RF communication fault

Alpha InTec gas boiler · taken from the manufacturer’s manual, pages cited

Fault code51

Error 51 indicates a communication fault between the climatic transmitter and boiler receiver. The manual's first action is: “Batteries require replacing Distance between boiler and climatic control too great Interference Object blocking signal (metallic)”

Model
Alpha InTec 30C, 34C
Display shows
Climatic RF communication fault (51)
Type
Fault code
Source
Manual p. 42

What 51 means

Climatic RF communication fault p. 42

Common causes

  • Error between the communication of the Climatic transmitter and boiler receiver p. 42

What to do

  1. Batteries require replacing Distance between boiler and climatic control too great Interference Object blocking signal (metallic) p. 42

If 51 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Alpha InTec service.

Open the manual at page 42 All 30C, 34C error codes Manual details & download

This page summarises what the manufacturer’s manual says about 51; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Alpha InTec. Found a mistake? Report an error.