Common problems guide

The most common Vokera Linea 28 problems

The faults most likely to send a Vokera Linea 28 into lockout — with plain-English causes, what to check first, estimated repair costs and whether you need a Gas Safe engineer.

This model is discontinued. Parts can be harder to source and expensive. If repair costs are mounting, a new A-rated boiler may be the smarter choice.
6 documented codes
6 most common
0 DIY-safe checks
6 engineer needed

The 6 most common faults

01
02 Engineer

Overheat - Normally associated with either poor or lack of primary water circulation. Wait for appliance to cool then reset as described for code 01.

Full guide for 02
03
04 Engineer

Insufficient water pressure. Check pressure and restore if necessary (see 6.3.4). Reset as described for code 01.

Full guide for 04

Call a Gas Safe engineer if…

  • You can smell gas or see signs of a leak
  • The Vokera shows an Emergency or High severity code
  • The boiler keeps locking out after repeated resets
  • You've tried the DIY checks and the fault hasn't cleared
  • There's visible water leaking from the boiler
  • The flame is yellow or orange instead of blue
See the full 6-code list for the Vokera Linea 28

Related guides

Boiler losing pressure → No hot water → When to replace → Symptom checker →