17 of 29
Indesit
Company
Service Manual UK
English
DEFROST PROCEDURE
Start of the Defrost Cycle Depends from:
•
Duration of last defrost.
•
Time of fridge door opening (every 5 cumulative minutes of door open time reduces the start of the
next defrost cycle by one hour).
•
Compressor ON time (minimum is
9
hours).
•
Actual time between 2 defrost cycles could be in the range ([minimum
10
hours / maximum
30
hours
(48 hours only if the product is in EC Mode)] > (Consumption Test conditions: ECO Mode + Door
Closed for at least 14 hours + last Compressor ON at least 3 hours ago).
Defrost Cycles can be activated by some particular circumstances:
•
In the event of Alarms '
A1
' and '
A2
', a defrost cycle is carried out every 2 hours.
•
If the
Door Open Alarm
remains active for more than
30
minutes, a defrost cycle will be performed
every 2 hours until the door is closed (Alarm Reset).
•
In the event of activation of the
Super Freezer Function, if at least 3 cumulative hours
of
Compressor ON have passed since the last defrost cycle.
Description
•
(A)
- All loads are disabled and the defrost heating elements are switch on.
•
(B)
- The heating elements switch off when the
freezer evaporator probe
reaches
+17°C
or after
50
minutes (Defrost Time Out). When the product is in Power Consumption, the threshold of the
freezer evaporator probe to exit
by this step is
+1°C
.
•
(C)
- As soon as the heating elements switch off, the freezer fan is activated for
5
seconds in order
to deliver warm air to the cold air inlet pipe from the freezer compartment into the fridge
compartment. Everything else remains switched off during this time.
•
(D)
- All the loads remain disabled for around
12
minutes to allow the water to flow into the
compressor drawer.
•
(E)
- The compressor is switched on to cool the coil that has heated up during defrosting until the
Freeze Evaporator probe reaches
-5°C
, than for fixed time of
15 minutes
the Freeze Fan is
switched ON with the compressor.
_______
______
modify the font displayed
ON
(B)
(C)
(E)
_______
_______
V
OFF
(A)
(D)
OFF
Heating elements
Freezer fan
Compressor