Gaggia Espresso Machine Error Codes Explained
21 Gaggia codes and display messages, transcribed from Gaggia's own manuals and support pages. 21 have a published meaning and at least one user-serviceable step, so they get a full page; the rest are listed here because you may see them, but Gaggia does not publish what they mean and we will not invent it.
| Code or message | What it is | Severity |
|---|---|---|
| 03Magenta / Anima / Cadorna / Velasca | Brew group blocked in work position | Routine maintenance |
| 04Magenta / Anima / Cadorna / Velasca | Brew group blocked in home position | Routine maintenance |
| The machine must be descaledAnima | Descaling required | Routine maintenance |
| Replace the INTENZA+ water filterAnima | Replace the INTENZA+ water filter | Routine maintenance |
| Milk carafe ducts should be cleanedAnima | Milk carafe ducts need cleaning | Routine maintenance |
| 02Cadorna / Velasca | Grinder disconnected | Call a technician |
| 10Cadorna / Velasca | Temperature sensor short circuit | Call a technician |
| 11Cadorna / Velasca | Temperature sensor open circuit | Call a technician |
| 14Magenta / Cadorna / Velasca | Machine overheated | Call a technician |
| 15Cadorna / Velasca | Steam boiler temperature out of control | Call a technician |
| 16Cadorna | Brewing unit microswitch short circuit | Call a technician |
| 19Cadorna / Velasca | Mains / zero-crossing fault | Call a technician |
| 20Cadorna | Coffee boiler overheating | Call a technician |
| Machine out of serviceAnima | Machine out of service | Call a technician |
| 01Magenta / Anima / Cadorna / Velasca | Coffee grinder clogged | You can fix this |
| 05Magenta / Anima / Cadorna / Velasca | Water circuit fault | You can fix this |
| Water tank emptyAnima | Water tank empty | You can fix this |
| Brew group not insertedAnima | Brew group not inserted | You can fix this |
| Coffee bean hopper emptyAnima | Coffee bean hopper empty | You can fix this |
| Coffee grounds drawer fullAnima | Coffee grounds drawer full | You can fix this |
| Drip tray / grounds drawer indicatorAnima | Drip tray, grounds drawer or service door | You can fix this |
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.