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10
TROUBLESHOOTING
A list of the possible machine faults is given below.
Problem
The machine does
1. Mains switch off
not turn on
2. Machine switch off
3. Incorrect electrical mains connection
No water in boiler 1. Mains tap closed
2. Clogged pump filter
3. Motor driven pump out of order
4. Boiler filling solenoid valve out of order
No group brewing
1. Mains tap closed
2. Motor driven pump out of order
3. Clogged gigleur
4. Burnt control box fuse
5. Group solenoid valve out of order
6. Group switch out of order
Steam fails to
1. Too much water in boiler
come out of the
wands
2. Damaged resistance
3. Clogged sprayer element
4. Resistance saver engaged
Signs of water
1. Dirty drain tray
leakage on bench
2. Drainage pipe clogged or detached
3. Other leakage
Wet coffee dregs
1. Little ground coffee in the filter
2. Grinding regulated too fine
3. Solenoid valve fails to discharge
Coffee brewing
1. Grinding regulated too fine
too slow
2. Dirty filter holder
3. Clogged group
4. Gigleur or solenoid valve partially clogged
Coffee brewing
1. Grinding regulated too large
too fast
Cold coffee
1. Lime scale present on the exchangers or
brewed
the resistance
2. Oxidized pressure switch contacts
3. Defective electrical connection
4. Partially burnt out resistance
Too hot coffee
1. Set point temperature too high
brewed
40
Cause
Solution
1. Position the power button 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
4. 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. Contact specialized personnel
2. Contact specialized personnel
3. Clean the sprayer element
4. Contact specialized personnel
1. Clean the tray
2. Contact specialized personnel
3. Contact specialized personnel
1. Increase the coffee dose in the filter
2. Adjust grinding value
3. Contact specialized personnel
1. Adjust grinding value
2. Replace the filter and undertake more
frequent 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. Contact specialized personnel
1. Regulate the set point temperature on the
display
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