Vaillant Ecotec Plus VMW ES 346 3 5 Electronic Display Ref. 0020056561
RefurbishedVaillantPCBs (control boards)

Vaillant Ecotec Plus VMW ES 346 3 5 Electronic Display Ref. 0020056561

60 €VAT includedIn stock · 1 unit

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 ecoTEC plus 415, ecoTEC plus 428, ecoTEC plus 612 (ref. 0020056561). 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
0020056561
Brand
Vaillant
Type of part
PCBs (control boards)
Available units
1 unit in stock
Status
Refurbished
Warranty
1 year
Shipping
2–4 working days (EU)
Return
14 days

The same part (ref. 0020056561) equips these models. Verified compatibility; check the reference before purchasing.

Vaillant ecoTEC Plus (VMW ES / VUW)

  • ecoTEC plus 415
  • ecoTEC plus 428
  • ecoTEC plus 612
  • ecoTEC plus 615
  • ecoTEC plus 618
  • ecoTEC plus 624
  • ecoTEC plus 630
  • ecoTEC plus 637
  • ecoTEC plus 824
  • ecoTEC plus 831
  • ecoTEC plus 837
  • ecoTEC plus 937

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)
F.70Fault: Invalid appliance code (DSN).Replacing the display (0020056561) alone or together with the PCB without reprogramming the D.093 identification, or using a display not corresponding to the model, causes a mismatch of DSN/coding resistance. Verify by entering installer level and checking D.093 with the table in the manual and ensuring the display–PCB cable/connector and the display reference are correct.
How do I know if this PCB is for my boiler?
Verify the reference 0020056561 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Vaillant part.
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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