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.
18.
Fault:
10. Faults and routine repairs
Crema Compact och 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.
