Problem: Machine is only brewing while the heating element is charged.
Cause 1: Neutral conductor is missing. (electric delivery).
Cures: Check and cure.
Problem: Regulary dosage when machine is brewing is faulty. (only version with dosage).
Cause 1: Flowmeter leaks out water.
Cures: If flowmeter is wet on the outside and if diod plate is wet, replace flowmeter.
Cause 2: Flowmeter does not operate in a satisfactory way.
(rotor spins unevenly.)
Cures: Replace flowmeter.
Cause 3: If photo-diodes at the flowmeter do not give any electric signals to the electronic unit.
Cures: Check the photo-diodes operational suitability with an impulse indicator. If it not acts, replace flowmeter.
Cause 4: Solenoid valve (brewing) leaks when machine is brewing.
Cures: Check and replace gaskets or replace solenoid valve.
Cause 5: Expansion valve leaks when machine is brewing.
Cures: Check the adjustment and the gasket.
N.B. When adjusting expansion valve. Do not unscrew any connections when boiler is under pressure.
Cause 6: Push-button pad are operating unevenly.
Cures: Check cable connections. If this not helps, try a new push-button pad.
Problem: Economize the coffee powder in best way
Cause 1: Clogged water pump.
Cures: Check pressure on manometer when machine is brewing and adjust pressure. To: 8,5 - 9 bar.
Cause 2: Uncorrect adjustment of expansion valve that leaks when machine is brewing.
Cures: Adjust expansion valve.
Cause 3: Uncorrect adjustment of brewing temperature.
Cures: Check temperature with the coffee outlet. Use a thermometer.
Adjust pressure control device.
Cause 4: Solenoid valve leaks, when machine is brewing.
Cures: Check and replace if necessary.
Cause 5: The grinding is not correct.(coffee powder are to finely grounded or coarse-grounded).
Cures: Check brewing time and adjust the grinding.
Cause 6: Nozzle and filter are clogged and dirty.
Cures: Check and replace if necessary.
Problem: Tap and handgrip for water/steam are closed, still it leaks from water pipe and steam pipes.
Cause 1: Gaskets is frayed or the pipe brackets are dirty.
Cures: Check and clean, replace if necessary.
19.
Fault:
10. Faults and routine repairs Crema Compact and Digital
Problem: If it leaks out water or steam when open tap handgrips for steam/water.
Cause 1: Valve piston gasket is worn.
Cures: Check and replace if necessary.
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