Can I fix this myself?

Yes, this is routine maintenance rather than a repair. Follow the steps above using the consumable the manufacturer specifies, and if the message returns immediately after a correctly completed cycle, treat it as a service call.

Where do these steps come from?

They are transcribed from Philips support article XC000004106. We do not repair machines and we do not publish a fix we cannot cite to the manufacturer.

Will this code clear on its own?

Maintenance prompts clear when the cycle they are asking for is completed in full — stopping partway usually leaves the counter running. Fault codes clear when the underlying condition is corrected, not by power-cycling past them.

Philips Error 03: Brew group too dirty — Causes and Fixes

Routine maintenanceUpdated August 3, 2026

Philips

03 — Brew group too dirty

Routine maintenance

What the machine is reporting

there is too much dirt on the brew group and it cannot work properly

Likely causes, most likely first

Brew group not rinsed at the recommended interval
Coffee oils and fines built up on the brew group

What to do

1. Switch the machine off and remove the brew group.
2. Rinse the brew group thoroughly with lukewarm water.
3. Let it air-dry before placing it back.
4. Refit the brew group and close the service door.

Source: Philips support article XC000004106. Transcribed from Philips's own published documentation — we do not repair machines and do not publish fixes we cannot cite.

When to stop and call a technician

The machine trips a breaker, smells of burning, or shows scorched wiring.
Water is leaking from inside the chassis rather than from the tank, tray or portafilter.
The fault involves the boiler, a pressure valve, the heating element or the pump itself.
The code returns immediately after a correctly completed reset or maintenance cycle.
The machine is under warranty — opening it yourself usually ends that cover.

Never bypass, disable or remove a safety device — a thermal fuse, pressure relief valve or lid interlock is the part standing between a fault and a fire. Do not open a pressurised boiler or work on mains wiring.

Machines this applies to

Other Philips codes

CALC / CLEAN — Descale prompt
AquaClean light flashing orange — AquaClean filter needs replacing
02 — Machine requires repair
10 — Machine requires repair
15 — Machine requires repair
22 — Machine requires repair

All Philips error codes →

Frequently asked

What does Philips 03 mean?: there is too much dirt on the brew group and it cannot work properly
Can I fix this myself?: Yes, this is routine maintenance rather than a repair. Follow the steps above using the consumable the manufacturer specifies, and if the message returns immediately after a correctly completed cycle, treat it as a service call.
Where do these steps come from?: They are transcribed from Philips support article XC000004106. We do not repair machines and we do not publish a fix we cannot cite to the manufacturer.
Will this code clear on its own?: Maintenance prompts clear when the cycle they are asking for is completed in full — stopping partway usually leaves the counter running. Fault codes clear when the underlying condition is corrected, not by power-cycling past them.