| PROBLEM |
CAUSE |
REMEDY |
| Water does not enter machine and pump is noisy |
1. Water tap is closed
2. Mains water shortage |
1. Open the tap.
2. Check water supply |
| Water pressure is higher or lower than 9 bar |
1. The pump by-pass is incorrectly configured |
1. Start the pump with the filter holder coupled and containing coffee residues. Adjust the by-pass screw while checking the pressure gauge.
2. Fit a blind filter holder with pressure gauge, then start up the pump; adjust the by-pass screw to 9 bar. Automatic levelling device does not refill boiler with water. |
| Automatic levelling device does not refill boiler with water |
1-Der Fühler erfasst den Füllstand nicht:
2.M/V Einlaufblock öffnet nicht
3. Die Steuerung der automatischen Füllstandregelung ist defekt
4. Der elektrische Anschluss ist defekt |
1. Reinigen / ersetzen
2. Ersetzen
3. Ersetzen
4. Prüfen
|
| Automatic levelling device continues to fill boiler with water |
1. Probe does not detect level.
2. Solenoid valve does not open.
3. Auto-levelling power unit is faulty.
4. Electric connection fault. |
1. Clean/replace probe.
2. Replace valve-
3. Replace power unit.
4. Check connection. |
| Boiler pressure is low |
1. Heater is not powered.
2. Main switch is faulty.
3. Pressure switch is faulty.
4. Safety thermostat is faulty.
5. Pressure gauge is faulty. |
1. Check heater wiring.
2. Renew switch.
3. Renew switch.
4. Renew thermostat.
5. Renew gauge. |
| Boiler is pressurised while brewing heads are cold |
1. Heater circuit is faulty.
2. Circulation reducer is clogged. |
1. Clean circuit.
2. Clean reducer. |
| No water delivered by brewing head |
1. Cigleur is clogged
2. Solenoid valve is blocked.
3. Solenoid valve is not powered.
4. Coil disconnected or core blocked on solenoid valve.
5. Diffuser filters are clogged. |
1. Clean.
2. Renew valve.
3. Check valve connection.
4. Renew valve.
5. Clean/renew. |
| Filter holder is too far right |
1. Coupling is worn.
2. Gasket are worn. |
1. Renew coupling and insert gaskets.
2. Renew gaskets. |
| Old coffee in filter holder is too wet |
1. Solenoid valve discharge fault. |
1. Renew valve. |
| Coffee grounds in cup |
1. Grind is too fine.
2. Pressure is greater than 9 bar.
3. Filter holes are dilated. |
1. Adjust grind.
2. Adjust pressure.
3. Renew filter. |
| Coffee head is too light |
1. Pressure is less than 9 bar.
2. Temperature is less than 88°C
3. Diffuser plates are clogged.
4. Filter holes are dilated. |
1. Adjust pressure.
2. Adjust temperature.
3. Clean with blind filter/renew.
4. Renew filter. |
| Coffee head is too dark |
1. Pressure is greater than 9 bar.
2. Temperature is greater than 95°C.
3. Diffuser filters are clogged. |
1. Adjust pressure.
2. Adjust temperature.
3. Clean with blind filter/renew. |
| Coffee head is too thin |
1. Diffusers are clogged.
2. Temperature is greater than 95°C.
3. Filters are clogged . |
1. Adjust pressure.
2. Adjust temperature.
3. Renew filters. |
| Grinder motor is in good condition but grind is incorrect |
1. Direction of motor shaft rotation is incorrect. |
1. Invert the power phases. |
| Coffee drips from sides of filter holder |
1. Filter holder holes are clogged.
2. Gasket is worm. |
1. Clean filter holder.
2. Renew gasket. |
| Depressions in the coffee grounds in filter holder |
1. Diffusers are clogged.
2. Pressure is not even |
1. Clean with blind filter/renew. |
| Grinder-dispenser is noisy and overheats |
1. Grinding blades are worm. |
1. Renew blades. |
Coffee > Espresso Machine: Maintenance > Troubleshooting
