Power electronics 230V for Philips EP fully automatic coffee machine

Power electronics 230V (part no. 421945026331) is the control board that switches all key electronic components of the coffee machine — the brewing unit drive motor, the grinder and the thermoblock. Customers most commonly look for this part when their Philips EP coffee machine fails to turn on at all, does not respond to buttons, or stops grinding and heating. This is the correct replacement part when the machine's power supply and drive switching have failed.

Important — verify your model: before ordering, confirm the exact model and version (EP type designation, for example EP4321 or EP5447) on the rating label. The rating label is typically found on the underside of the coffee machine or behind the water tank. The board itself is located on the inner side of the brewing unit service door. This check ensures the part fits your machine precisely.

When does this part need to be replaced? (Fault symptoms)

This part typically fails when you observe one of the following symptoms:

• The coffee machine does not turn on at all after being plugged into a working socket and does not respond to the power switch
• The machine powers on but the grinder does not start grinding and no coffee falls into the brewing unit
• The machine does not heat up — the thermoblock does not reach operating temperature and the machine remains cold
• The display or indicator lights go out or flicker randomly and the machine switches itself off during operation

Before replacing the board, rule out simpler causes: check the power cable, the wall socket and the household fuse. If the power supply is in order and the machine still does not respond or heat up, the cause is typically the power electronics board, which has stopped switching the drives and heating element.

Compatibility: Which models is this part for?

This part is compatible with the following Philips EP fully automatic coffee machines:

Philips EP 4000 Series (CMF)

• EP4321 — EP 4000 CMF Series
• EP4324 — EP 4000 CMF Series
• EP4327 — EP 4000 CMF Series

Philips EP 4000 LatteGo Series

• EP4341 — EP 4000 LatteGo
• EP4343 — EP 4000 LatteGo
• EP4346 — EP 4000 LatteGo
• EP4349 — EP 4000 LatteGo

Philips EP 5000 LatteGo Series

• EP5143 — EP 5000 LatteGo
• EP5144 — EP 5000 LatteGo
• EP5147 — EP 5000 LatteGo
• EP5441 — EP 5000 LatteGo
• EP5443 — EP 5000 LatteGo
• EP5444 — EP 5000 LatteGo
• EP5446 — EP 5000 LatteGo
• EP5447 — EP 5000 LatteGo

If your exact type code is not listed, contact our service technicians and we will verify compatibility before you order.

Genuine vs. compatible part

This is a genuine replacement part with number 421945026331, designed for the listed Philips EP models. A genuine board ensures correct switching of the drives and heating element, as well as precise mechanical and electrical fit in your coffee machine, reducing the risk of repeat failure after replacement.

Delivery and returns

The part is in stock and dispatched within 24 hours from the EU, with expert technical support from service technicians available. An unused and uninstalled part may be returned within 14 days under the statutory right of withdrawal.