Ariston 60 cm Service Manual page 29

FAULT CAUSE
NO-FROST Models: Faulty ON/
OFF DAMPER
F10
STATIC Models with CCZ: SEC-
ONDARY SOLENOID VALVE
FAULT
No communication between dis-
F12
play PCB and control PCB
F14
Faulty power board
F16
Fridge fan unit does not run
F17
Vacuum pump does not work
F20 Fridge lamp fails to switch on
NTC ambient probe UI
F21
FRIDGE Air NTC probe open /
F22
short circuit
Service Manual
NEW ARISTON 60 cm PLATFORM
CORRECTIVE ACTIONS
NO-FROST Models: Faulty ON/OFF DAMPER
- Check effi ciency of contacts on connector J7 on the PCB;
- Check effi ciency of the damper connection to the connector inside the air duct in the
variable temperature refrigerator compartment;
- Renew ON/OFF damper;
- Renew PCB.
CCZ STATIC models with SECONDARY SOLENOID VALVE fault
- Check effi ciency of contacts on connector J5 on PCB;
- Check impedance on wiring connector J5 pins 1 and 2, ensuring that the value is
compatible with the value given in the relevant table;
- Check correct switching of the solenoid valve. With the compressor running, check that
the solenoid valve switches when the variable temperature compartment is set to OFF.
- Renew solenoid valve;
- Renew PCB. Check
For LED interface PCB:
- Check effi ciency of contacts on connector J13 on PCB;
- Check continuity of connector J13 / LED PCB 5-way and 7-way connectors;
- Renew main PCB;
- Renew display PCB;
For Indesit digit interface PCB and Ariston LED interface PCB on appliances
with CCZ and/or Ever Fresh System:
- Check effi ciency of contacts on connector J13 on PCB;
- Check continuity of connector J13/ interface PCB 4-way connector;
- Renew main PCB;
- Renew display PCB.
For Touch interface PCB:
- Check effi ciency of contacts on connector J13 on PCB;
- Check continuity of connector J13/interface PCB 4-way connector;
- Check continuity of connector J13/connector inside cabinet control panel;
- Check continuity of connector inside cabinet control panel / interface PCB
4-way connector;
- Renew main PCB;
- Renew display PCB.
- Renew PCB.
- Check effi ciency of contacts on connector J2 on PCB;
- Check for impedance on wiring connector J2 pins 3 and 1, ensuring
that the value read is compatible with the value given in the relevant table;
- Check correct connection of the fridge fan inside refrigerator
compartment;
- Renew fridge fan unit;
- Renew main PCB.
- Check effi ciency of contacts on connector J4 on PCB;
- Check impedance on wiring connector J4 pins 1 and 2, ensuring that the value
read is compatible with the value given in the relevant table;
- Renew vacuum pump;
- Renew main PCB.
- Check effi ciency of contacts on connector J2 on PCB;
- Check for impedance on wiring connector J2 pins 4 and 6;
- Renew lamps;
- Renew main PCB.
- Renew main PCB.
- Check effi ciency of contacts on connector J11 on the PCB;
- Check NTC probe, ensuring that the impedance value read on pins 3 and 4 of
wiring connector J11 is compatible with the values in the temperature-imped-
ance correlation table (also heat the probe by holding it with your hand where
possible and checking the change in the impedance value);
- Renew main PCB.
Edition
2006.06.15
E
Language
English
N
29