Ariston Genus 27 Bffi PCB Ref. 952930
RefurbishedAristonPCBs (control boards)

Ariston Genus 27 Bffi PCB Ref. 952930

105 €VAT includedIn stock · 5 units

PCB (control board): refurbished spare part that controls the ignition, modulation, and safety features of the boiler. Useful if the boiler does not ignite, locks up, or the display is unresponsive. Compatible with Genus 27 BFFI (ref. 952930). Includes a one-year warranty and delivery within 2–4 working days in the EU.

1
Consult via WhatsApp
Delivery in 2–4 working days
1-year warranty
14-day return
Technical support

Key Data

Reference
952930
Brand
Ariston
Type of part
PCBs (control boards)
Available units
5 units in stock
Status
Refurbished
Warranty
1 year
Shipping
2–4 working days (EU)
Return
14 days

The same part (ref. 952930) equips these models. Verified compatibility; check the reference before purchasing.

Genus

  • Genus 27 BFFI

Fault codes related to this part (not the entire boiler). They usually have more possible causes: first rule out electrodes, wiring/connections, and gas supply. Verified with ≥3 sources.

CodeWhat does it mean?Cause and diagnosis (this part)
A 37CPU faultInternal CPU fault in the main PCB (EA FFI, ref. 952930). Check 230V/5V voltages and grounds; if everything is correct and the error reappears after reset, replace the PCB.
A 39PCB fault 1Self-diagnosis detects an internal fault in the main PCB. Check regulated 5V/12V and connectors; if the wiring/power supply is fine and the fault persists after reset, the PCB (952930) is damaged.
A 40PCB fault 2Second level internal fault in the main PCB. Check for stable voltages and continuity of connectors/bus; if everything is correct and the error returns, replace the PCB (952930).
E 37Problema de comunicación con la placa electrónica principalLoss of communication with the main PCB (display/interface ↔ main PCB). Check harness/cable T1, connectors U1 and 5V data; if the wiring is correct, the PCB (952930) is the probable cause.
How do I know if this PCB is for my boiler?
Verify the reference 952930 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is an Ariston (MTS / Merloni Termosanitari) part - original PCB "EA FFI"; no third-party electronics manufacturer identified.
What is it used for?
The PCB controls the ignition, modulation, sensor readings, and safety features of the boiler.
Is the boiler not igniting, locking out, or is the control board unresponsive?
After ruling out mains voltage, fuse, and connectors, a damaged PCB causes lockouts, blackouts, or erratic display. Repair the external cause before installing the new one.
Which models is it suitable for?
Part shared by various models (see Compatibility). If your model does not appear, send us a photo of the marking and we will confirm it.
Installation and recommendations
After installation, a technician must adjust the service parameters (type of gas, power settings) and check combustion and safety features.
What does refurbished mean and what coverage does it have?
Part removed from a boiler out of service, inspected and tested. Includes 1-year warranty and 14-day return policy. Delivery within 2–4 working days in the EU.

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