Ferroli · Gas boiler

Ferroli A05: Fan fault

Ferroli A05: Fan fault. Model-specific official fault reference and safe user checks; professional service may be needed.

ERROR CODEA05

What does this error code mean?

Fan fault. Applicability is limited to the manufacturer-documented model / series, not all devices of this brand.

Documented by manufacturer for the listed model family

Individual model identifier must still be checked against your appliance label.

Read manufacturer source ↗

Steps to take

  1. 1. Record error A05 and the complete model plate. This description only applies to BLUEHELIX TECH RRT 24 H.
  2. 2. If you smell gas or flue fumes, or a carbon monoxide alarm sounds, avoid switches and controls; leave the area and call emergency assistance from outside.
  3. 3. The manufacturer describes this code as “fan fault”. Do not open the casing or remove any components to investigate.
  4. 4. Do not open the boiler to inspect the flue, fan or hot components. Keep the appliance out of use if the warning persists.
  5. 5. If A05 remains, share the model and symptoms with authorized service for qualified diagnosis.

Which products does this apply to?

BLUEHELIX TECH RRT 24 H

Codes and hardware can vary by model, production year and market.

What must a qualified technician assess?

All gas and electrical repairs require qualified service.

Verification after service

After professional checks, confirm that the error no longer returns during normal use. Report any repeat warning to service.

Manufacturer reference

Documented page: 191–192.

https://ferroli.lv/download/BLUEHELIX%20TECH%20RRT%2024.pdf