23
the boiler and wash pump.
Identify the specific appliance model. The model
number is detailed on the packing and on the
appliance dataplate.
Do not tamper with appliance components.
Installation and appliance maintenance must be
carried out by qualified technicians authorized by the
manufacturer, in compliance with current safety
standards and the instructions in this manual.
15.
COMMISSIONING
See Chapter “ Instructions for installation “.
16.
TROUBLESHOOTING
BY SETTING THE SWITCHER INTO THE ON POSITION
THE MACHINE DOES NOT START
Possible causes:
- There is no voltage in the electrical system;
-
The
main
switch is
disconnected or
the
corresponding fuses are burned-out;
- The machine connecting cable may be interrupted;
-
The conductors in the control panel terminal board
may be loosened;
- The machine line switch is inefficient;
- The conductor contacts are inefficient;
- Micro door may be faulty;
- Electronic board;
WATER DOES NOT ENTER IN THE DISHWASHER
Possible causes:
-
There is no water in the water system or the tap is
closed;
- The supply pipe may be bent or compressed;
- The filter of the solenoid valve may be dirty;
- The coil of the solenoid valve may be broken;
-
The small piston of the solenoid valve may be
blocked.
- Circuit connections may be faulty;
- The pressure switch is faulty.
- Electronic board;
WATER KEEPS ENTERING IN THE DISHWASHER
Possible causes:
- The solenoid valve is dirty;
- The membrane is torn;
- The small piston does not move into its housing.
-
Loose connection between small tube and pressure
switch;
- The air trap or the small tube are pierced;
-
There is water in the pressure switch or in the air
supply tube;
- Loss of pressure in the pressure switch;
- The pressure switch is faulty.
- Electronic board;
WATER DOES NOT HEAT UP (MONO-PHASE
MACHINE)
Possible causes:
- The boiler thermostat may be faulty;
- The bowl thermostat may be faulty;
- The safety thermostat may be faulty;
- The pressure switch contact may be faulty;
- The safety thermostat has failed to cut in;
- The connections or conductors may be faulty;
- The boiler heating element may be damaged;
- The bowl heating element may be damaged.
WATER DOES NOT HEAT UP (TRI-PHASE MACHINE)
Possible causes:
- A phase is missing from the relay coil;
- The relay coil may be interrupted;
- The boiler thermostat may be faulty;
- The pressure switch contact may be faulty;
- The relay contacts may be worn-out;
- The connections or conductors may be faulty;
- There is one phase missing;
- The boiler heating element may be damaged;
-
The connection between the terminals and the
heating element is incorrect;
- The bowl heating element may be damaged.
- The connections or conductors may be inefficient;
-
The bowl thermostat is in the “O” position (OFF) ,or is
damaged;
- The contact on the boiler thermostat is incorrect.
WATER OVERHEATS
Possible causes:
-
The contacts in the boiler and/or bowl thermostat
are locked in the “Closed” position.
-
The relay has remained in the “Closed position”, even
though voltage is supplied to the coil.
THE ELECTRIC WASHING PUMP IS FAULTY
Possible causes:
- The thermal protection is disconnected;
- Micro door may be faulty;
- Electronic board;
- The condenser is faulty:
- The motor winding is faulty.
-
The rotor does not rotate properly and absorption
exceeds the nominal values;
