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FULLY-AUTOMATIC ESPRESSO COFFEE MACHINE - Wega

FULLY-AUTOMATIC ESPRESSO COFFEE MACHINE - Wega

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TROUBLESHOOTING - chap.10<br />

Technical manual<br />

display<br />

WATER LEVEL<br />

in the boiler<br />

MINIMUM LEVEL<br />

IN the BOILER<br />

BOILER SENSOR<br />

NOT active<br />

cause remedy<br />

1. Softner taps closed or the<br />

mains water taps are closed<br />

2. Pump filter clogged<br />

3. Presence of lime deposits in<br />

the boiler filling tube<br />

4. Loading solenoid valve filter<br />

clogged<br />

5. Loading solenoid valve faulty<br />

or the connection is interrupted<br />

1. Boiler level probe may have touched<br />

to earth of the boiler<br />

2. Boiler level safety probe disconnected<br />

3. Maximum level probe shorted out<br />

1. Boiler temperature sensor is either<br />

faulty or the connection is interrupted<br />

50<br />

english<br />

1. Open all taps upstream from the<br />

machine<br />

2. Change the pump<br />

filter<br />

3. Remove the tube and clean it or replace it<br />

4. Change the solenoid valve filter<br />

5. Restore connection and/or change the<br />

loading solenoid valve if necessary<br />

6. Press the key<br />

1. Replace the short level<br />

probe (blue connector)<br />

2. Reconnect and/or replace the long safety<br />

probe if necessary (red connector)<br />

3. Check probe connection<br />

1. Restore connection and/or change the<br />

temperature sensor if necessary<br />

2. Press the key

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