- ITZAA 29/31 599 38 97-89
8 TROUBLESHOOTING
8.1 Water leakage inside the freezer compartment
In No Frost freezers, at the end of the water drain hose, in correspondence to the compressor drop tray, a rub-
ber valve is inserted to avoid that the water enters the freezer compartment thus causing an excessive ice for-
mation on the battery evaporator.
If the rubber valve is obstructed by foreign bodies, then there could be some water in the freezer compartment.
To avoid the described problem, it is necessary to clean the valve under running water or replace it.
8.2 Failed defrosting:
In case of failed defrosting, the possible causes are:
Warning: Unplug the appliance before operating.
Sequence
no
POSSIBLE
CAUSES
HOW TO CONTROL SOLUTION
1 The defrosting
heater is inter-
rupted
Unplug the appliance, remove
the connector of the heater and
verify with the tester the correct
resistance value to the connec-
tor clamps
If the resistance value does not
correspond to the technical
data, replace the heater
2 One or both
switches of the
thermal protectors
are open
Frost the battery, then detach
the power plug of the appliance,
remove the connector of the
thermal switches and verify with
the tester the correct resistance
value to the connector clamps
If the resistance value does not
correspond to 0 (zero Ohm)
replace the thermal switches
assembly
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