English
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17 – CAUSES FOR OPERATING FAILURES OR ANOMALIES (TROUBLESHOOTING)
PROBLEM
CAUSE
SOLUTION
The machine does not switch on
1. Mains switched off
2. Machine selector off
3. Defective connection to the mains electric
power supply
1. Place the main switch on the ON position
2. Place the machine switch to the ON position
3. Refer to qualified staff for connection evaluation
Water is missing in the boiler
1. Network tap closed
2. Pump filter clogged
3. Motor pump not working
4. PUB E mod. water tray empty
1. Open the network tap
2. Replace filter
3. Refer to qualified staff
4. Fill the tray with water
Coffee not supplied
1. Network tap closed
2. Motor pump not working
3. Fuse of the main board burnt out
4. Solenoid unit valve not working
5. Unit control not working
1. Open the network tap
2. Refer to qualified staff
3. Refer to qualified staff
4. Refer to qualified staff
5. Refer to qualified staff
The nozzles do not supply steam
1. Too much water in the boiler
2. Damaged heating element
3. Clogged sprayer
1. Refer to specific issue
2. Refer to qualified staff
3. Clean the sprayer
Too much water in the boiler
1. The pump motor remains connected
2. Perforated exchanger
3. Automatic filling solenoid valve blocked
1. Refer to qualified staff
2. Refer to qualified staff
3. Refer to qualified staff
Water leakage on the counter
1. Drain tray dirty
2. Drain tube clogged or disconnected
3. Other leakage
1. Clean drain tray
2. Replace drain tube
3. Refer to qualified staff
Wet coffee grounds
1. Grinding set-up too fine
2. The unit has not warmed up yet
3. Solenoid valve not discharged
1. Set up the grinding
2. Wait for the machine to reach the required tem-
perature level
3. Refer to qualified staff
Boffee supply is too slow
1. Grinding set-up too fine
2. Dirty filter-holder
3. Clogged unit
4. Solenoid valve partially clogged
1. Set up the grinding
2. Replace the filter and clean the filter-holder
more often
3. Refer to qualified staff
4. Refer to qualified staff
The coffee supply is too fast
1. Grinding set-up too coarse
1. Set up the grinding
The coffee supplied is cold
1. Limestone on the exchangers or on the
heating element
2. Pressure switch contact oxidised
3. Electric connection defective
4. Heating element partially burnt out
1. Refer to qualified staff
2. Refer to qualified staff
3. Refer to qualified staff
4. Replace heating elemen
The coffee supplied is too hot
1. Pressure switch incorrectly set
1. Regulate pressure switch by means of the screw
provided (cap. 6.1)
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