Wega MyConcept EVDP 2GR User Manual

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TECHNICIANS manual
ENGLISH
Problem Cause Action
COFFEE IS TOO COLD
• The electrical heating element of the coee boiler
is faulty.
• The wiring is faulty.
• Lime scale on the heating element.
• The heating element protection thermostat inter-
vened.
• Lime scale has reduced the circulation of water.
• The dispensing group is cold.
• Replace the boiler's electrical heating element.
• Check for any faulty connections.
• Clean the machine.
• Reset the heating element protection.
• Clean the connections of the exchanger, and clean
or replace the two circulation tubes
• Eliminate air pockets in the hydraulic circuit in the
following manner:
- disconnect the pump from the power supply;
- close the water tap of the softener;
- perform a dry dispensing run for a few minutes;
- connect the pump to the power supply;
- open the water outlet tap of the softener;
- dispense until water comes out;
- wait a few minutes for heating.
COFFEE IS TOO HOT
• Boiler temperature is too high. • Reduce the pressure in the boiler.
COFFEE IS BEING DISPENSED TOO
QUICKLY
• Coee is ground too coarsely
• The diameter of the injector is too large.
• The dose of ground coee is too small.
• Adjust the grinding of the coee.
• Replace the injector with one of a smaller diameter.
• Check the amount (grams) of the ground coee you
are using.
COFFEE IS BEING DISPENSED TOO SLOWLY
• Coee is ground too nely.
• The injector is clogged.
• The dispensing group is clogged.
• The lter holder is dirty.
• Adjust the grinding of the coee.
• Replace the injector.
• Check and clean the dispensing group.
• Clean and replace the lters, if necessary.
SHUTDOWN OF THE ELECTRONIC SYSTEM
• The control unit fuse is burned out.
• One of the volumetric dispenser's contacts is
grounded.
• Replace the main fuse.
• Check the connection of the volumetric dispenser.
COFFEE DISPENSING
IS NOT CONFORMANT
THE COFFEE DOSE IS NOT MET
• The connection of the volumetric dispenser is faulty.
• The connection of the electronic control unit is faulty.
• The connector of the volumetric dispenser has
humidity on it.
• The volumetric dispenser is faulty: the LED does not
ash during dispensing.
• The coee is ground too nely: there is not sucient
water ow in the dispenser.
• The non-return valve loses pressure (the dose is
too small).
• The expansion valves lose pressure (the dose is too small).
• Water leakage from the group solenoid valve during
coee dispensing or when in stand-by.
• The volumetric dispenser is partially obstructed.
• Check for proper connection of the volumetric
dispenser connector.
• Check for proper connection of the electronic control
unit connector.
• Remove the connector of the volumetric dispenser
and thoroughly dry the contacts.
• Replace the heads of the volumetric dispenser or
replace the dispenser.
• Adjust the grinding suitably and check the grinders,
if necessary.
• Check and replace the non-return valve, if necessary.
• Check and replace the expansion valves, if necessary.
• Clean and replace the solenoid valve, if necessary.
• Clean or replace the volumetric dispenser.
NON-UNIFORM MILK DISPENSING FROM
THE CAPPUCCINO MAKER
• Out of milk
• Milk injector obstructed.
• Cappuccino maker obstructed.
• Suction pipe clogged.
• Silicone tube detached.
• Rell milk.
• Clean the milk injector.
• Clean the cappuccino maker.
• Clean the milk suction hose.
• Connect the hose correctly.
AIR POCKETS IN THE MILK FOAM FROM
THE CAPPUCCINO MAKER
• Air regulator too open.
• Air aspiration tube disconnected from the cappuc-
cino maker.
• Properly calibrate the air regulator.
• Restore the connection through the hose.
If the problem cannot be solved, turn the machine o and contact
the Manufacturer.

Wega MyConcept EVDP 2GR Specifications

General

Brand	Wega
Model	MyConcept EVDP 2GR
Category	Coffee Maker
Language	English