Alpha InTec 30C, 34C Error 10: Primary system pressure low

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

Fault code10

Primary system pressure is too low. The manual lists no action for this code.

Model
Alpha InTec 30C, 34C
Display shows
Primary system pressure low (10)
Type
Fault code
Source
Manual p. 41

What 10 means

Primary system pressure low p. 41

Common causes

  • Check expansion vessel pressure (1 bar) p. 41
  • Leak in system p. 41
  • Expansion relief valve operated p. 41
  • Primary pressure switch p. 41

If 10 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 41 All 30C, 34C error codes Manual details & download

This page summarises what the manufacturer’s manual says about 10; 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.