CodeRegistry
Brands
  1. Home
  2. Viessmann
  3. Vitodens 200/222 Boilers
  4. FE
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

FE

Fault FE (Detailed 158, 159, 162 or 225) — Burner fault: damaged or incorrect boiler coding card/main PCB

Viessmann · Vitodens 200/222 Boilers

What does FE mean?

The burner is in fault mode due to a damaged or incorrect boiler coding card, or an issue with the main PCB (Printed Circuit Board). These components are critical for the boiler's control and operation.

Common Causes

  • Damaged or incorrect boiler coding card or main PCB

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Press the reset button R on your boiler.

  2. 2

    If the fault persists, check the boiler coding card for damage or incorrect installation.

  3. 3

    If the card appears faulty, replace it. If the issue remains, the control unit (main PCB) may need replacement by a qualified technician.

Browse all codes in this manual (33)
Verified technical data. Last updated: April 2026

Related Faults

2Fault 2 — No or low gas pressure detected29Fault 29 — Open circuit at power pump module terminals 1 and L3Fault 3 — No boiler water circulation detected
Source: Viessmann Vitodens 200/222 Boilers
Open Manual (Page 3)Search more codes in this manual