Wega ALE Series User Manual

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TECHNICIANS manual
ENGLISH
8.4 Malfunctions and solutions
Problem Cause Action
MACHINE LACKING POWER
t The general switch is in the "OFF" position.
t The machine switch is defective.
t The mains power supply switch is in the OFF position.
t The wiring is defective.
t Place the main switch in the "ON" position.
t Replace the main switch.
t Place the main switch in the ON position.
t Check for any faulty connections.
NO WATER IN BOILER
t The water supply tap is closed.
t The cut-o tap of the automatic level device is closed.
t The pump lter is clogged.
t The motor pump is disconnected or jammed.
t The water lling solenoid valve is defective.
t The water inlet solenoid valve lter is clogged.
t Open the water supply tap.
t Open the automatic level device tap.
t Substitute the pump lter.
t Check the motor pump.
t Replace the water lling solenoid valve.
t Clean or replace the lter of the solenoid valve.
TOO MUCH WATER IN THE BOILER
t The solenoid valve of the automatic level device is
defective.
t The level probe is out of order (clogged by lime
scale).
t Replace the solenoid valve of the automatic level
device.
t Replace the level probe.
WATER LEAKS FROM THE MACHINE
t The pad does not drain.
t The drain pipe is broken or detached or the water
ow is obstructed.
t Hydraulic leaks in the hydraulic circuit.
t Check the sewer drain.
t Check and restore the connection of the drain pipe
to the pad.
t Restore the hydraulic seal by replacing the pipe, the
gasket or the tting as necessary.
WATER LEAKS FROM THE DISPENSING
GROUP
t Worn under cup seal. t Replace the seal.
THE PRESSURE GAUGE INDICATES AN
UNACCEPTABLE PRESSURE
t The pressure gauge is faulty.
t Incorrect pressure switch calibration.
t Incorrect motor pump calibration.
t Replace the gauge.
t Adjust the calibration of the pressure switch.
t Adjust the calibration of the motor pump.
THE SAFETY VALVE STARTED OPERATING
t The pressure transducer is broken.
t The electronic control is faulty.
t Check for correct operation of the pressure trans-
ducer. Replace the safety valve only with original
spare part.
t Check for proper operation of the electronic system.
STEAM DOES NOT COME OUT OF NOZZLES
t The machine is o.
t The electrical heating element is faulty.
t The temperature probe is faulty.
t The nozzle sprayer is clogged.
t Safety thermostat deactivated or faulty.
t Turn on the machine.
t Replace the boiler's electrical heating element.
t Replace the temperature probe.
t Clean the steam nozzle sprayer.
t Reactivate the thermostat or replace it.
STEAM MIXED WITH WATER COMES OUT
OF THE STEAM SPOUTS
t 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.
t Leakage from boiler lling solenoid valve.
t Check the status of the level probe: check if it is posi-
tioned correctly and check for any surface lime scale.
t C
lean and replace the lling solenoid valve.
NO COFFEE DISPENSING
t No water supply.
t The group solenoid valve is faulty.
t The pump is jammed.
t The group solenoid valve is clogged or dirty.
t The group lter is clogged.
t The volumetric dosing device is blocked.
t The inlet and outlet taps of the dispenser are closed.
t Check that there is water in the mains.
t Replace the group solenoid valve.
t Replace the pump.
t Clean or replace the solenoid valve.
t Clean or replace the lter.
t Check/replace the dosing device.
t Open the taps.
WET COFFEE GROUNDS
t The group solenoid valve drain is clogged.
t The dispensing group is too cold.
t Coee is ground too nely.
t There's not enough ground coee.
t Clean the group drain.
t Wait for unit to heat up completely.
t Adjust the grinding of the coee.
t Increase the amount of ground coee.

Wega ALE Series Specifications

General

Brand	Wega
Model	ALE Series
Category	Coffee Maker
Language	English