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9
TROUBLESHOOTING
Here is a list of the possible machine troubles.
Problem
The machine does
1.
not start
2.
3.
No water in boiler
1.
2.
3.
No unit delivery
1.
2.
3.
4.
5.
6.
Steam fails to come
1.
out of the nozzle
2.
3.
4.
Too much water in
1.
the boiler
2.
3.
Signs of water
1.
leakage on bench
2.
3.
Wet coffee dregs
1.
2.
3.
Coffee dispensing
1.
too slow
2.
3.
4.
Coffee dispensing
1.
too fast
Coffee delivered
1.
cold
2.
3.
4.
Coffee delivered too hot
1.
74
Cause
Mains switch off
Machine switch off
Incorrect electrical mains connection
Mains tap closed
Clogged pump filter
Motor driven pump not in operation
Mains tap closed
Motor driven pump not in operation
Clogged gigleur
Burnt control box fuse
Unit solenoid valve out of order
Unit switch out of order
Too much water in boiler
Damaged resistance
Clogged sprayer element
Resistance saver engaged
The motor driven pump remains engaged
Perforated exchanger
Automatic charge solenoid valve blocked
Dirty drain tray
Drainage pipe clogged or detached
Other leakage
Grinding regulated too fine
Unit still cold
Solenoid valve fails to discharge
Grinding regulated too fine
Dirty filter-holder
Clogged unit
Gigleur or solenoid valve partially clogged
Grinder is regulated too large
Lime scale present on the exchangers or
the resistances
Oxidized pressure switch contacts
Defective electrical connection
Partially burnt out resistance
Incorrect pressure switch calibration
Solution
1.
Position the machine switch to position ON
2.
Position the machine switch to position 1
3.
Contact specialized personnel in order to check the
connection
1.
Open the mains tap
2.
Replace the filter
3.
Contact specialized personnel
1.
Open the mains tap
2.
Contact specialized personnel
3.
Contact specialized personnel
4.
Contact specialized personnel
5.
Contact specialized personnel
6.
Contact specialized personnel
1.
See specific problem
2.
Contact specialized personnel
3.
Clean the sprayer element
4.
Reinsert the resistance
1.
Contact specialized personnel
2.
Contact specialized personnel
3.
Contact specialized personnel
1.
Clean the tray
2.
Replace the drainage pipe
3.
Contact specialized personnel
1.
Adjust grinding value
2.
Wait for the machine to reach the correct
temperature
3.
Contact specialized personnel
1.
Adjust grinding value
Replace the filter and undertake more frequent
2.
filter-holder cleaning
3.
Contact specialized personnel
4.
Contact specialized personnel
1.
Adjust grinding value
1.
Contact specialized personnel
2.
Contact specialized personnel
3.
Contact specialized personnel
4.
Replace the resistance element
1.
Contact specialized personnel
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