Gaggia La Precisa EL1 Uso Y Mantenimiento página 80

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9 TROUBLESHOOTING
A list of the possible machine faults is given below.
Problem
The machine does
1. Mains switch off
not switch 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
Boiler filling solenoid valve out of order
4.
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. Brew group button not working
Steam fails to 1. Too much water in boiler
come out of the 2. Damaged resistance
wands
3. Clogged sprayer element
4. Resistance saver engaged
5. Vacuum valve blocked
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
brewed or the resistance
2. Set point temperature too low
3. Defective electrical connection
4. Partially burnt out resistance
Too hot coffee 1. Set point temperature too high
brewed
80
Cause
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4.
1.
Solution
Position the power button to position ON
Position the machine switch to position 1
Contact specialized personnel in order to check the
connection
Open the mains tap
Replace the filter
Contact specialized personnel
Contact specialized personnel
Open the mains tap
Contact specialized personnel
Contact specialized personnel
Contact specialized personnel
Contact specialized personnel
Contact specialized personnel
Contact specialized personnel
Contact specialized personnel
Clean the sprayer element
Contact specialized personnel
Contact specialized personnel
Clean the tray
Contact specialized personnel
Contact specialized personnel
Increase the coffee dose in the filter
Adjust grinding value
Contact specialized personnel
Adjust grinding value
Replace the filter and undertake more frequent filter
holder cleaning
Contact specialized personnel
Contact specialized personnel
Adjust grinding value
Contact specialized personnel
Adjust the set point temperature as explained
in the section entitled "Programming with the
keypad"
Contact specialized personnel
Contact specialized personnel
Adjust the set point temperature as explained
in the section entitled "Programming with the
keypad"