Ariston 60 cm Manual de servicio - Página 29

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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.

- 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

Language

English