Alpha InTec 30C, 34C Error 31: Loss of communication with external control (Alpha Climatic)

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

Fault code31

Loss of communication with external control (Alpha Climatic) The manual's first action is: “Remote control or receiver connection wiring Remote control or receiver”

Model
Alpha InTec 30C, 34C
Display shows
Loss of communication with external control (Alpha Climatic) (31)
Type
Fault code
Source
Manual p. 42

What 31 means

Loss of communication with external control (Alpha Climatic) p. 42

Common causes

  • Loss of connection between the boiler and Alpha Climatic control unit p. 42

What to do

  1. Remote control or receiver connection wiring Remote control or receiver p. 42

If 31 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 31; 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.