Kuppersbusch IKE 325-0-2T User manual

Refrigerator
IKE 325-0-2T

Service Manual: H8-74-08
Responsible: Uwe Laarmann KÜPPERSBUSCH HAUSGERÄTE AG
Email: [e-mail]
Phone: [phone] Kundendienst
Fax: [phone] Postfach 100 132
Date: 05.03.2012 45801 Gelsenkirchen

Service Manual 3
For internal use only
Contents
1. Safety...............................................................................................................................4
2. The appliance at a glance..............................................................................................5
2.1 General classification ............................................................................................5
2.2 Features ................................................................................................................5
3. Air flow ............................................................................................................................6
4. Cooling circuit ................................................................................................................7
5. Electric system ...............................................................................................................8
6. function chart..................................................................................................................9
7. operating mode.............................................................................................................10
7.1 Normal.................................................................................................................10
7.2 Normal when first switched on in when the power is cut off................................11
7.3 Defrosting............................................................................................................11
7.4 Flow diagram for controlling the defrosting procedure ........................................ 13
7.5 SUPER function ..................................................................................................14
7.6 Temperature probe faults....................................................................................14
8. Accessing individual components .............................................................................16
8.1 Freezer................................................................................................................16
8.2 Control panel.......................................................................................................17
8.3 Control panel components ..................................................................................19
8.3.1 New electronic circuit board for the IKE 325-0-2T ..................................20
8.4 Electronic power and display electronic component ...........................................22
9. Finding faults................................................................................................................24
10. Technical features........................................................................................................26

4 Service Manual
For internal use only
1. Safety
Danger!
Repairs may only be carried out by a qualified electrician!
Improper repairs can be extremely dangerous for the user.
It is essential that you observe the following instructions in order to prevent electric shocks:
• The casing and the frame may be live in the event of faults!
• Touching live components inside the appliance may cause dangerous currents to flow through your
body!
• Disconnect the appliance from the mains prior to carrying out any repair work!
• When inspecting live parts, a residual current circuit breaker must always be used!
• The earthed conductor resistance must not exceed the resistance specified in the standard! It is vital
for ensuring the safety of persons and the functioning of the appliance.
• On completion of repairs, an inspection must be carried out in accordance with VDE 0701
[Association of German Electrical Engineers] or in accordance with the corresponding regulations for
your country!
Make sure you observe the following instructions:
• The appliances must be disconnected from the mains prior to all repairs. If inspections must be
carried out on live appliances, make sure you use a residual current operated device.
Attention!
Sharp edges: Use protective gloves.
Components may be electrostatic!
Observe handling precautions!

Service Manual 5
For internal use only
2. The appliance at a glance
2.1 General classification
The appliance has the following cooling zones:
AFreezer
BCooler
The evaporator circuit comprises:
• A battery-driven evaporator (freezer);
• A tube evaporator (cooler)
2.2 Features
A probe is used to determine the temperature in the refrigerator:
• refrigerator temperature probe (located in the cooler)
The electronic system, which determines the opening of the
cooler door and the freezer door, determines when the battery-
operated evaporator is defrosted.
• Cooler door key: located in the upper left section of the
control panel.
• Freezer door key: located in the lower right section of the
control panel.
A Cooler door key
B Freezer door key
C Control panel
D Cooler temperature probe
The probe D cable is foamed into the interior of the casing so it
cannot be replaced.