Wega Mininova Use And Maintenance Manual For The Technician

39
Technical manual
ENGLISH
NERO
C:0 M:0 Y:0 K:100
ROSSO
C:0 M:100 Y:100 K:0
VERDE
C:100 M:0 Y:100 K:0
MALFUNCTION CAUSE SOLUTION
THE MOTOR STOPS SUDDENLY OR THE
THERMAL PROTECTOR INTERVENES DUE
TO OVERLOAD
1. Lime scale and mineral build-ups in the pump
have caused it to jam
2. The pump and motor are not aligned (only with
motorpump)
3. The motor is faulty (only with motorpump)
4. The motor is wired with non-conforming voltage
(only with motorpump)
1. Check the status of the pump and replace it, if
necessary
2. Install the motor-pump joint
3. Replace the motor
4. Ensure the power supply voltage of the motor
is correct
THE PUMP FUNCTIONS BELOW NOMINAL
CAPACITY
1. The inlet is clogged, perhaps only partially
2. The rotation sense of the pump is incorrect (solo
motopompa)
3. The pressure relief valve is not properly calibrated
4. The motor runs at low RPM (only with
motorpump)
5. The inside of the pump is damaged due to the
inltration of foreign materials
1. Clean the lter holder
2. Check the engine
3. Calibrate the relief valve
4. Check the voltage or replace the motor
5. Replace the pump
THE PUMP IS NOISY
1. The pump and motor are not aligned (only with
motorpump)
2. The seal or O-Ring of the pressure relief valve or
lter is faulty
3. The joint, the coupling screw or the V-shaped
clamp are loose (only with motorpump)
4. The inlet is clogged, perhaps only partially
5. The hex nut of the pressure relief valve or lter
is loose (only with motorpump)
1. Install the motor-pump joint
2. Replace the seal and O-Ring, taking care not to
change the calibration of the valve
3. Align and tighten the components which are
loose
4. Clean the lter holder
5. Tighten the hex connection of the pressure relief
valve and lter
THE CUP IS DIRTY WITH SPLASHED
COFFEE
1. Steam pockets in the delivery system
2. Air pockets in the hydraulic circuit
3. Coee is ground too coarsely
4. The ow reducer group is unsuitable
1. Reduce the water temperature
2. Check the cause and eliminate the problem
3. Adjust the grinding suitably
4. Replace the ow reducer
!
Any action taken by a technician on the electronics of the machine when the machine is still supplied with electrical
power automatically invalidates any guarantee. The technician needs to be aware that the machine is electrically
connected and act accordingly.

Wega Mininova Specifications

General

Brand	Wega
Model	Mininova
Category	Coffee Maker
Language	English