FULLY-AUTOMATIC ESPRESSO COFFEE MACHINE - Wega
FULLY-AUTOMATIC ESPRESSO COFFEE MACHINE - Wega
FULLY-AUTOMATIC ESPRESSO COFFEE MACHINE - Wega
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TROUBLESHOOTING - chap.10<br />
Technical manual<br />
problem<br />
THE GAUGE SHOWS A<br />
NOT COMPLYING PUMP<br />
PRESSURE<br />
THE DISPLAY FAILS TO<br />
SIGNAL THERE IS NO<br />
<strong>COFFEE</strong><br />
THE CAPPUCCINO<br />
MAKER DOES NOT<br />
SUCK UP MILK<br />
MILK IS BEING DIS-<br />
PENSED IRREGULARLY<br />
1. The gauge is faulty<br />
cause remedy<br />
2. The motor pump is incorrectly<br />
calibrated<br />
1. Microswitch no. 3 faulty or<br />
disconnection<br />
1. No steam (pressure zero)<br />
2. Milk injector clogged<br />
3. Internal parts of cappuccino-maker<br />
clogged<br />
4. Milk suction pipe clogged<br />
5. Injector O-rings worn out<br />
6. Solenoid valve EV1 or EV2 not<br />
connected<br />
7. Silicon pipe has come become<br />
detached<br />
1. Cappuccino-maker clogged<br />
2. The cappuccino-maker O-rings have<br />
worn out<br />
3. Milk regulator is closed too much<br />
54<br />
english<br />
1. Change the gauge<br />
2. Recalibrate the motor pump<br />
1. Restore<br />
connection,<br />
changing the<br />
microswitch if<br />
necessary<br />
1. Wait for the machine to get back up to pressure<br />
2. Clean the milk injector<br />
3. Clean the cappuccino-maker parts<br />
4. Clean the milk suction pipe<br />
5. Replace the<br />
O-rings<br />
6. Connect solenoid<br />
valve EV1 or EV2<br />
7. Connect the pipe<br />
correctly<br />
1. Clean the cappuccino-maker<br />
with the special brush<br />
2. Replace the O-rings<br />
3. Open the temperature<br />
regulator
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