The Italian company Gaggia is one of the largest producer of equipment for coffee in the world. Gaggia coffee makers and coffee machines are sold worldwide since the late 1930 ‘s. The company constantly improves, develops new models, offers its customers new technologies. Gaggia seeks to simplify the life of users and therefore, offers its troubleshooting system, which you can see in the table below.
| Problem: | Chetk to ensure against the following: |
|---|---|
| Coffee does not flow. | Water is in tank. |
| Filter basket clogged because coffee is too fine or compressed too firmly. | |
| Shower disc requires cleaning. | |
| Coffee flows too quickly. | Coffee is ground too coarsely. |
| Coffee is not pressed down with tamper. | |
| Pump makes loud noise. | No water in tank. |
| Pump not primed. | |
| Coffee is ground too coarsely. | |
| Water leaking excessively from filter holder. | Filter holder not properly inserted in brew head. |
| Gasket in brewing head dirty or worn. | |
| Coffee grinds not cleaned off the rim of filter holder. | |
| Espresso has little creamy froth. | Coffee is ground too coarsely. |
| Coffee is not pressed down with tamper. | |
| Coffee is too old or dried out. | |
| Espresso is too cold. | Machine is not warmed up (6 min). |
| Coffee is ground too coarsely. | |
| Coffee has been brewed in cold cups. It is recommended to always brew coffee in warm cups. | |
| Not enough milk froth. | Steam nozzle and/or air intake hole clogged. |
| Milk is too hot. |
| PROBLEM | CAUSE | REMEDY |
|---|---|---|
| Machine switch off | 1. Mains switch off | 1. position the machine switch to position ON |
| 2. Machine switch off | 2. position the machine switch to position 1 | |
| 3. Incorrect electrical mains connection | 3. contact specialized personnel in order to check the connection | |
| No water in boiler | 1. Mains tap closed | 1. open the mains tap |
| 2. Clogged pump filter | 2. replace the filter | |
| 3. Motor driven pump not in operation | 3. contact specialized personnel | |
| No unit delivery | 1. mains tap closed | 1. open the mains tap |
| 2. motor driven pump out of order | 2. contact specialized personnel | |
| 3. clogged gigleur | ||
| 4. burnt control box fuse | ||
| 5. unit solenoid valve out of order | ||
| 6. unit switch out of order | ||
| Steam fails to come out of the nozzle | 1. too much water in boiler | 1. contact specialized personnel |
| 2. damaged resistance | 2. contact specialized personnel | |
| 3. clogged sprayer element | 3. clean the sprayer element | |
| 4. resistance saver engaged | 4. reinsert the resistance | |
| Too much water in the boiler | 1. the motor driven pump remains engaged | 1. contact specialized personnel |
| 2. perforated exchanger | ||
| 3. automatic charge solenoid valve blocked | ||
| Signs of water leakage on bench | 1. dirty drain tray | 1. clean the try |
| 2. drainage pipe clogged or detached | 2. replace the drainage pipe | |
| 3. other leakage | 3. contact specialized personnel | |
| Wet coffee dregs | 1. Grinding regulated too fine | 1. Adjust grinding value |
| 2. Unit still cold | 2. wait for the machine to reach the correct temperature | |
| 3. Solenoid valve fails to discharge | 3. contact specialized personnel | |
| Coffee dispensing too slow | 1. grinding element set too fine | 1. Adjust the grinder |
| 2. dirty filter-holder | 2. replace the filter and undertake more frequent filter-holder cleaning | |
| 3. clogged unit | 3. contact specialized personnel | |
| 4. gigleur or solenoid valve partially clogged | ||
| Coffee dispensing too fast | 1. grinder is regulated too large | 1. regulate the grinding |
| Coffee delivered cold | 1. Lime scale present on the exchangers or the resistances | 1. contact specialized personnel |
| 2. oxidized pressure switch contacts | ||
| 3. defective electrical connection | ||
| 4. partially burnt out resistance | 4. replace the resistance element | |
| Coffee delivered too hot | 1. incorrect pressure switch calibration | 1. regulate the pressure switch by means of the relative screw (chap. 6.2) |
| Problem: | Check to ensure against the following: |
|---|---|
| Coffee does not flow. | Water is in tank. |
| Filter basket dogged because coffee is too fine or compressed too firmly. | |
| Shower disc requires cleaning. | |
| Coffee flows too quickly. | Coffee is ground too coarsely. |
| Coffee is not pressed down with tamper. | |
| Pump makes loud noise. | No water in tank. |
| Pump not primed. | |
| Coffee is ground too coarsely. | |
| Water leaking excessively from filter holder. | Filter holder not properly inserted in brew head. |
| Casket in brewing head dirty or worn. | |
| Coffee grinds not cleaned off the rim of filter holder. | |
| Espresso has little creamy froth. | Coffee is ground too coarsely. |
| Coffee is not pressed down with tamper. Coffee is too old or dried out. | |
| Espresso is too cold. | Machine is not warmed up (6 min). Coffee is ground too coarsely. |
| Not enough milk froth. | Steam pipe and/or air intake hole dogged. Milk is too hot. |
| Machine Actions | Causes | Solutions |
|---|---|---|
| The machine does not turn on. | The machine is not connected to the power source. | Connect the machine to the power source. |
| The coffee is not hot enough. | The cups are cold. | Warm the cups with hot water. |
| No hot water or steam is dispensed. | The hole of the steam wand is clogged. | Clean the hole of the steam wand using a pin. Make sure that the machine is turned off and has cooled before performing this operation. |
| Pannarello is dirty (if supplied). | Clean the Pannarello. | |
| The coffee has little crema. | The coffee blend is unsuitable, the coffee is not freshly roasted or the grind is too coarse. | Change coffee blend or adjust the grind |
| The machine takes a long time to warm up or the amount of water dispensed from the wand is too little. | The machine circuit is obstructed by limescale build-up. | Descale the machine. |
| The brew group does not come out. | The brew group is out of place. | Turn the machine on. Close the service door. The brew group automatically returns to the correct position. |
| Dregdrawer is inserted. | Remove the dregdrawer first, then the brew group. | |
| The machine grinds the coffee beans but no coffee comes out | Water tank is empty. | Fill the water tank and prime the circuit |
| Brew group is dirty. | Clean the brew group | |
| Circuit is not primed. | Prime the circuit | |
| Rare event that occurs when the machine is automatically adjusting the dose. | Brew a few coffees | |
| The dispensing head is dirty. | Clean the dispensing head. | |
| The coffee is too weak, | Rare event that occurs when the machine is automatically adjusting the dose. | Brew a few coffees |
| Coffee is brewed slowly, | The coffee grind is too fine. | Change coffee blend or adjust the grind |
| The circuit is not primed. | Prime the circuit | |
| The brew group is dirty. | Clean the brew group | |
| Coffee leaks out of the dispensing head. | The dispensing head is clogged. | Clean the dispensing head and its holes. |
| Trouble | Possible cause/causes | Resolution |
|---|---|---|
| No message on the display | The machine is not getting power | Turn the main switch on, check plug and fuse |
| The service door is open | Close the since door | |
| The automatic coffee brewing does not start | BREW UNIT MISS | Insert and lock the central unit |
| BREWUNIT BLOCK | Clean the central unit | |
| The steam key is being pressed | Deactivate the steam function and drain the machine | |
| WATERTANK EMPTY | Fill with water or coffee beans and restart the cvcle | |
| COF.BEANS EMPTY READY FOR USE | ||
| The automatic coffee brewing does not start | OVER TEMPERATUR | Drain thoroughly the machine again |
| DREGDRAW. MISS | Fit the coffee grounds container properly | |
| GRINDER BLOCKED | Clean the grinder | |
| Water is dispensed instead of coffee | The pre-ground coffee selection key has been pressed while there is no coffee in the container | Fill with pre-ground coffee |
| Steam and/or hot water are not dispensed | The steam/hot water spout hole is clogged | Clear it with the aid of a thin needle |
| Coffee flows too quickly | Grinding too coarse | Adjust the grinder to a finer grinding |
| Coffee is flows too slowly | Grinding too fine | Adjust the grinder to a coarser grinding |
| The central unit filter is jammed | Clean the filter | |
| Coffee is not hot enough | The cup has not been preheated | Place the cup on the heating plate |
| Coffee is not creamy | The coffee blend is not suitable, coffee has not been recently ground, the pre-ground coffee has been ground too thin or too coarse | Try another coffee blend |
| The coffee brewing is reduced. the machine takes longer to heat and the water capacity is not correct | Limescale in the machine | Carry out the machine descaling |
| The central unit cannot be removed | The central unit is out of position | Switch on the machine. Close the service door and fit the coffee grounds container. The machine returns automatically in its starting position. |