Wega MyConcept EVDP 2GR User Manual

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TECHNICIANS manual
10.6 Malfunctions and solutions
Problem Cause Action
MACHINE LACKING POWER
• The general switch is in the "OFF" position
• The machine switch is defective
• The mains power supply switch is in the OFF position.
• The wiring is defective
• Place the main switch in the ON position.
• Replace the main switch.
• Place the main switch in the ON position.
• Check for any faulty connections.
NO WATER IN BOILER
• The water supply tap is closed.
• The cut-o tap of the automatic level device is closed.
• The pump lter is clogged.
• The motor pump is disconnected or jammed.
• The water lling solenoid valve is defective.
• The water inlet solenoid valve lter is clogged.
• Open the water supply tap.
• Open the automatic level device tap.
• Substitute the pump lter.
• Check the motor pump.
• Replace the water lling solenoid valve.
• Clean or replace the lter of the solenoid valve.
TOO MUCH WATER IN THE BOILER
• The solenoid valve of the automatic level device is
defective
• The level probe is out of order (clogged by lime scale)
• Replace the solenoid valve of the automatic level
device.
• Replace the level probe.
WATER LEAKS FROM THE MACHINE
• The pad does not drain.
• The drain pipe is broken or detached or the water
ow is obstructed.
• Hydraulic leaks in the hydraulic circuit.
• Check the sewer drain.
• Check and restore the connection of the drain pipe
to the pad.
• Restore the hydraulic seal by replacing the pipe, the
gasket or the tting as necessary.
WATER LEAKS FROM THE DISPENSING
GROUP
• Worn under cup seal • Replace the seal.
THE DISPLAY INDICATES UNACCEPTABLE
PRESSURE
• The display is faulty.
• Incorrect motor pump calibration.
• Replace the display.
• Adjust the calibration of the motor pump.
THE SAFETY VALVE STARTED OPERATING • The electronic control is faulty. • Check for proper operation of the electronic system.
STEAM DOES NOT COME OUT OF NOZZLES
• The machine is o.
• The electrical heating element is faulty.
• The temperature probe is faulty.
• The nozzle sprayer is clogged.
• Safety thermostat deactivated or faulty.
• Turn on the machine.
• Replace the boiler's electrical heating element.
• Replace the temperature probe.
• Clean the steam nozzle sprayer.
• Reactivate the thermostat or replace it.
STEAM MIXED WITH WATER COMES OUT
OF THE STEAM SPOUTS
• The level of the boiler is too high due to an incorrect
location of the level probe in the boiler or due to the
presence of limestone.
• Leakage from boiler lling solenoid valve.
• Check the status of the level probe: check if it is posi-
tioned correctly and check for any surface lime scale.
• C
lean and replace the lling solenoid valve.
NO COFFEE DISPENSING
• No water supply.
• The group solenoid valve is faulty.
• The pump is jammed.
• The group solenoid valve is clogged or dirty.
• The group lter is clogged.
• The volumetric dispenser is blocked.
• The inlet and outlet taps of the dispenser are closed.
• The output JET of the volumetric dispenser is dirty.
• Check that there is water in the mains.
• Replace the group solenoid valve.
• Replace the pump.
• Clean or replace the solenoid valve.
• Clean or replace the lter.
• Check/replace the dispenser.
• Open the taps.
• Clean or replace the jet.
WET COFFEE GROUNDS
• The group solenoid valve drain is clogged.
• The dispensing group is too cold
• Coee is ground too nely.
• There's not enough ground coee.
• Clean the group drain.
• Wait for unit to heat up completely.
• Adjust the grinding of the coee.
• Increase the amount of ground coee.
GROUNDS IN CUP
• The lter holder is dirty.
• The lter holes are worn.
• The coee is not ground evenly.
• The seal under the pad is worn
• The pressure in the pump is too high.
• Clean the lter holder.
• Replace the lter.
• Replace the grinders.
• Replace the seal.
• Adjust the pressure of the pump
THE CUP IS DIRTY WITH SPLASHED
COFFEE
• Steam pockets in the dispensing system.
• Air pockets in the hydraulic circuit.
• Coee is ground too coarsely
• Reduce the water temperature.
• Check the cause and eliminate the problem.
• Adjust the grinding suitably.

Wega MyConcept EVDP 2GR Specifications

General

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