Commissioning; Troubleshooting - AFG ACO400AP Installation, Gebrauch, Wartung

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
-
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;
is disconnected or
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
- 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;
- The motor rotor is blocked;
- There is not enough water in the bowl;
- The pump suction filter is dirty;
- The pump and the washing impellers are dirty.
10