Boiler model
Ferroli Ferroli i25 Fault Codes
Verified fault-code information for the i25 / i29 range.
Fault-code index
- A01 — i25 / i29
No burner ignition.
Read fault code - A02 — i25 / i29
Flame-present signal with the burner off.
Read fault code - A03 — i25 / i29
Overtemperature protection intervention.
Read fault code - A06 — i25 / i29
No flame after the ignition phase.
Read fault code - A09 — i25 / i29
Gas-valve fault.
Read fault code - A15 — i25 / i29
Air-pressure-switch fault F05 generated five times in the last 24 hours.
Read fault code - A16 — i25 / i29
Gas-valve fault.
Read fault code - A23 — i25 / i29
Card parameter fault.
Read fault code - A24 — i25 / i29
Card parameter fault.
Read fault code - F04 — i25 / i29
Card parameter fault.
Read fault code - F05 — i25 / i29
Air-pressure switch did not close within 20 seconds of fan activation.
Read fault code - F07 — i25 / i29
Air-pressure switch contacts were closed when the fan activated.
Read fault code - F10 — i25 / i29
Delivery sensor fault.
Read fault code - F11 — i25 / i29
Domestic-hot-water sensor fault.
Read fault code - F34 — i25 / i29
Supply voltage under 140 VAC.
Read fault code - F35 — i25 / i29
Faulty mains frequency.
Read fault code - F37 — i25 / i29
Incorrect system water pressure; pressure is too low.
Read fault code - F43 — i25 / i29
Heat-exchanger protection intervention.
Read fault code - F50 — i25 / i29
Controller DBM32B fault.
Read fault code - F51 — i25 / i29
Controller DBM32B fault.
Read fault code