A
SS
I
ST
ANCE
G
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51
Service Manual
Ne
w
E
lectronic Cold Platform 2005
Edition
2005.03.25
Language
E
nglish
FAULT
CORR
E
CTIV
E
ACTIONS
CAUS
E
-
Check for water leaks that may affect connector J1 causing the relative
contacts to short;
-
Check the motor terminal PCB (any problems due to incorrect connection
may cause short-circuits);
-
Renew motor;
-
Renew PCB.
-
Check efficiency of contacts on PCB connector J1;
-
Check that there is an impedance value on wiring connector J1 between
pins 3 and 2 that is compatible with the value given in the specific table.
-
Check that the compressor is not stopped due to overtemperature condi-
tions (thermal cutout open)
-
Renew motor;
-
Renew PCB.
-
Renew PCB.
-
Check efficiency of contacts on PCB connector J6;
-
Check impedance on wiring connector J6 pins 2 and 1, ensuring that the
value is compatible with the value given in the relevant table;
-
Check correct connection of the freezer fan on the freezer compartment
wiring junction box;
-
Renew freezer fan unit;
-
Renew PCB.
-
Check efficiency of contacts on PCB connector J3;
-
Check efficiency of the electronic damper connection to the foam embed-
ded connector behind the multiflow unit;
-
Renew electronic damper;
-
Renew PCB.
-
Check efficiency of contacts on PCB connector J6;
-
Check condition by checking for impedance on wiring connector J6 pins 3
and 4
-
Check connections of the defrost heating elements and possible short cir-
cuits on the freezer compartment wiring junction box;
-
Renew heating element.
-
Renew PCB.
-
Check efficiency of contacts on PCB connector J6;
-
Check for continuity of the defrost heating element on pins 3 and 4 of con-
nector JK6, ensuring that the impedance value read is compatible with the
value given in the relevant table;
-
Check for the correct connection of the defrost heating element and the
drip tray heating element on the freezer compartment wiring junction box;
-
Check the correct impedance value on the defrost heating element across
the heating element terminals;
-
Check that the fusible links are not open;
-
Renew defrost heating element;
-
Renew PCB.
F01
Compressor relay sticking
Compressor relay open
Faulty power PCB
F03
F02
F04
Freezer fan unit does not
run
5.2. DIGITAL FAULTS AND SOLUTIONS:
F07
F06
F05
Electronic damper does not
open/close
Short circuit of triac control-
ling defrost heating element
No power draw of defrost-
ing heating element
Summary of Contents for New electronic cold platform 2005
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