PCB Ignition Modulation Baxi Eco 240 FI Ref. JJJ005653890
RefurbishedBaxi RocaPCBs (control boards)

PCB Ignition Modulation Baxi Eco 240 FI Ref. JJJ005653890

70 €VAT includedIn stock · 2 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 out, or the display is unresponsive. Compatible with Eco 240 Fi, Eco 240 i, Eco 1.240 Fi (ref. JJJ005653890). 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
JJJ005653890
Brand
Baxi Roca
Type of part
PCBs (control boards)
Available units
2 units in stock
Status
Refurbished
Warranty
1 year
Shipping
2–4 working days (EU)
Return
14 days

The same part (ref. JJJ005653890) equips these models. Verified compatibility; check the reference before purchasing.

Baxi Eco

  • Eco 240 Fi
  • Eco 240 i
  • Eco 1.240 Fi

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)
E01Lockout - does not igniteThe ignition/modulation PCB may not generate a spark or correctly manage the ionisation signal, or it may not energise the gas valve. Check the spark/electrode, polarity, and voltage/order to the valve; if all peripherals are correct, the PCB JJJ005653890 is faulty.
E35Parasite flame (flame error)The flame detection circuit on the PCB interprets the presence of a flame with the burner off (moisture, poor grounding, or ionization amplifier fault). Check grounding/polarity, wiring, and electrode/ionization; if E35 persists with the electrode disconnected, the PCB JJJ005653890 is defective.
How do I know if this PCB is for my boiler?
Verify the reference JJJ005653890 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Honeywell piece.
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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