Malfunctions And Relative Solutions - Wega MININOVA Manual Del Usuario

16. MALFUNCTIONS and RELATIVE SOLUTIONS

Indication
1) The machine main switch is in the "0" position
MACHINE
2) The machine switch is defective
LACKING POWER 3) The mains power supply switch is in the OFF position
4) The connection to the electrical mains is defective
1) The water mains tap is closed /
The internal tank of the machine is empty
WATER LACKING
2) The pump filter is clogged
IN BOILER 3) The motor pump is disconnected or jammed
4) The water filling solenoid valve is defective
5) The water inlet solenoid valve filter is clogged
1) The solenoid valve of the automatic level device is defective
TOO MUCH WATER
2) The heat exchanger is perforated
IN THE BOILER
3) The solenoid valve of the automatic level device remains
connected
1) The electrical heating element is defective
STEAM DOES NOT COME
2) The heating element protection thermostat has cut in
OUT OF NOZZLES
3) The nozzle sprayer is clogged
STEAM MIXED WITH
WATER COMES OUT OF
1)The boiler level is too high
THE NOZZLES
1) No water mains /
The internal tank of the machine is empty
2) Group solenoid valve is defective
NO DISPENSING
3) The pump is jammed
4) The injector is clogged
5) The group solenoid valve is clogged or dirty
6) The volumetric dosing device is blocked
1) The tub does not drain
WATER LEAKS
2) The drain tube is broken or detached or has an obstruction
FROM THE MACHINE
in the water flow
3) Hydraulic leaks in the hydraulic circuit
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Cause Solution
1) Place the machine switch in the "1" position
2) Replace the main switch
3) Place the mains switch in the ON position
4) Check for any defective connections
1) Open the water mains tap /
Fill the internal tank
2) Replace the pump filter
3) Check the motor pump
4) Replace the water filling solenoid valve
5) Clean or replace the filter of the solenoid valve
1) Replace the solenoid valve of the automatic level device
2) Replace the boiler.
3) Check the level probe, the earth of the frame and the operation
of the electronic control unit
1) Replace the electrical heating element
2) Reset the heating element protection
3) Clean the steam nozzle sprayer
1) Check the status of the level probe:
verify correct position and check for
presence of any surface lime scale
1) Check that there is water in the mains /
Fill the internal tank
2) Replace the group solenoid valve
3) Replace the pump
4) Clean or replace the injector
5) Clean or replace the solenoid valve
6) Check/replace the dosing device
1) Check the sewer drain
2) Check and restore the connection of the drain tube to the tub
3) Identify and eliminate any hydraulic leaks
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