Alpha InTec 30C, 34C Error 37: Low supply voltage

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

Fault code37

The boiler cannot operate due to insufficient supply voltage. The manual's first action is: “Check mains power supply”

Model
Alpha InTec 30C, 34C
Display shows
Low supply voltage (37)
Type
Fault code
Source
Manual p. 42

What 37 means

Low supply voltage p. 42

Common causes

  • Insufficient supply voltage to operate boiler p. 42

What to do

  1. Check mains power supply p. 42

If 37 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 37; 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.