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Summary of Contents for Kuppersbusch KE 680-1-3T
- Page 1 Refrigerator KE 680-1-3T...
- Page 2 Service Manual: H8-74-07 Responsible: U. Laarmann KÜPPERSBUSCH HAUSGERÄTE AG E-mail: uwe.laarmann@kueppersbusch.de Tel.: (0209) 401-732 Customer Service Fax: (0209) 401-743 Postfach 100 132 Date: 24.08.2012 45801 Gelsenkirchen...
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Page 3: Table Of Contents
Service Manual Contents Safety Instructions ......................5 Repair Instructions......................6 Introduction........................6 FIFTY TOTAL NO FROST combination appliance ..........6 Refrigerator ......................7 Assembly set ......................8 The combination appliance at a glance................ 8 General partitioning ....................8 Internal partitioning....................9 Features ........................ - Page 4 Service Manual 11. Accessibility........................37 11.1 FIFTY TOTAL NO FROST combination appliance..........37 11.1.1 Wine cooler ..................... 37 Air volume control (damper) ..............37 Control holder..................38 11.2 Freezer ........................ 39 11.2.1 Finned-type evaporator ................39 12. Fault finding ........................42 12.1 Layer of ice on the battery too thick..............
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Page 5: Safety Instructions
Service Manual Safety Instructions 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! •... -
Page 6: Repair Instructions
Service Manual Repair Instructions • Never attempt to carry out repairs by “randomly replacing” components! • Always proceed systematically and observe the technical documentation that goes with the appliance! • Electronic circuit boards are generally not repaired; instead they are completely replaced with original spare parts. -
Page 7: Refrigerator
Service Manual top part of the wine cooler. • Electronic power unit type ERF2050. • Electronic display type ERF2000 (display with numbers). • The appliance has only one traditional or electronic compressor, but it is possible to switch on only the wine cooler with the ON/OFF key. -
Page 8: Assembly Set
Service Manual Assembly set The assembly set contains the following components: • Head section • Base • Side base • Handles • Clamps • Screws • Adjusting feet The combination appliance at a glance General partitioning Wine cooler Freezer Refrigerator For internal use only... -
Page 9: Internal Partitioning
Service Manual Internal partitioning Appliance controls Illumination lamp Bottle shelves Freezer section for fresh food Section for frozen food Butter section Jug shelf Bottle rack DAC 1.1 Illumination lamp Glass shelves Vegetable tray Rating plate Adjusting feet Features An NTC probe is used to determine the temperature in the wine cooler: •... - Page 10 Service Manual Refrigerator features probes used determine temperature in the refrigerator: • Refrigerator air temperature probe (in the left of the refrigerator) • Evaporator temperature probe (in contact with the hidden evaporator in the inner housing) The cables for probes A and B have been foamed in the inside of the casing, so they cannot be replaced.
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Page 11: Air Flow
Service Manual Air flow Unlike for the PARTLY NO FROST refrigerator, the TOTAL NO FROST appliance refrigerator and freezer share; the finned-type evaporator cools both cooling zones. The cold generated by the battery-driven evaporator located in the freezer is distributed by the fan F mounted behind the evaporator module. -
Page 12: Cooling Circuit
Service Manual Cooling circuit FIFTY TOTAL NO FROST combination appliance Compressor Capacitor Anti-condensation coil Drainage filter Capillaries Finned-type evaporator (freezer) Heat exchanger Refrigerator Compressor Capacitor Anti-condensation coil Drainage filter Capillaries Hidden evaporator (refrigerator) Heat exchanger For internal use only... -
Page 13: Electric System
Service Manual Electric system FIFTY TOTAL NO FROST combination appliance (Observe the circuit diagrams for each model!) a. Yellow-green Brown Blue White Black Grey VERS. B = for the electronic compressor: Electronic compressor Compressor electronic unit For traditional compressors: Compressor Motor protection Defrost resistor Illumination lamp... -
Page 14: Refrigerator
Service Manual Refrigerator a. Yellow-green Brown Blue White Black Grey Compressor Motor protection Illumination lamp D.A.C. fan 1.1 Operating capacitor (only for models for which this has been provided) Electronic unit ERF 2000 D.A.C. fan Switch 1.1 For internal use only... -
Page 15: Fifty Total No Frost Combination Appliance
Service Manual FIFTY TOTAL NO FROST combination appliance Wine cooler Control panel Magnet for wine cooler door switch Wine cooler air temperature probe Air volume control (damper) Control panel Wine cooler Wine cooler ON/OFF indicator light Wine cooler ON/OFF key Key for increasing the temperature in the wine cooler (+) Display for showing temperatures in the wine cooler Key for reducing the temperature in the wine cooler (-) - Page 16 Service Manual Freezer Wine cooler + freezer ON/OFF indicator light Wine cooler + freezer ON/OFF key Key for increasing the temperature in the freezer (+) Display for showing temperatures in the freezer Key for reducing the temperature in the freezer (-) QUICK FREEZE function control lamp (quick-freeze) ACTION FREEZE function key (quick-freeze) Alarm control lamp...
- Page 17 Service Manual Fan cable Fan neutral wire Free Free Free Free Damper Damper Damper Damper Free Free Wine cooler air temperature probe Wine cooler air temperature probe Free Free Freezer air temperature probe Freezer air temperature probe For internal use only...
- Page 18 Service Manual Display electronic unit ERF2000 DIGITS SW1 = Reed element SW2 = Wine cooler + freezer ON/OFF key SW3 = ACTION FREEZE function key (quick-freeze) SW4 = Key for raising the temperature in the freezer (+) SW5 = Key for reducing the temperature in the freezer (-) SW6 = Wine cooler ON/OFF key SW7 = Key not used (concealed under the programme panel) SW8 = Key for increasing the temperature in the refrigerator (+)
- Page 19 Service Manual Magnet for wine cooler door switch The solenoid switch for monitoring the wine cooler door is located in the display electronic unit. The solenoid switch is operated by a magnet M in the door. Monitoring the opening of the door is used for switching on the illumination lamp of the wine cooler;...
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Page 20: Freezer
Service Manual Freezer Evaporator module (cold module) Freezer temperature probe (foamed in the room) Magnet for the freezer door switch Magnetic sensor for the freezer door switch Evaporator module (cold module) Thermal switch and defrost termination switch Evaporator module fan Defrost resistor Please note! The defrost termination thermal switch and the thermal circuit breaker (+8/+40°C) are... -
Page 21: Freezer Temperature Probe
Service Manual Evaporator module fan The fan is located behind the evaporator module. The fan exerts a suction force on the air. For this reason, when the fan needs to be replaced, it must be ensured that the air is blown towards the bottom of the refrigerator. The fan has the following characteristics: •... -
Page 22: Magnet For The Freezer Door Switch
Service Manual 8.2.2 Magnet for the freezer door switch The solenoid switch for monitoring the freezer door is located in the middle cross bar. The solenoid switch is operated by a magnet M in the door. Monitoring the opening of the door is used for switching off the fan when the door is opened and for defrosting the evaporator module. -
Page 23: Electronic Units
Service Manual Control panel ON/OFF indicator light ON/OFF key Key to raise the temperature (+) Display for showing temperatures Key to lower the temperature (-) QUICK COOL function control lamp (rapid cooling) QUICK COOL function key (rapid cooling) 8.3.1 Electronic units The appliance electronic system comprises: •... - Page 24 Service Manual Electronic power unit type ERF2000 Earthing contact Free Cable Compressor Neutral wire Illumination lamp neutral wire Illumination lamp Free Free Cable for fan DAC 1.1 Neutral wire for fan DAC 1.1 Free Free For internal use only...
- Page 25 Service Manual Refrigerator air temperature probe Refrigerator air temperature probe Evaporator temperature probe Evaporator temperature probe Free Free Free Free Free Free Free Free For internal use only...
- Page 26 Service Manual Display electronic unit ERF2000 DIGITS SW1 = Reed element SW2 = Key to raise the temperature (+) SW3 = Key to lower the temperature (-) SW4 = Key for QUICK COOL function (rapid cooling) SW5 = Key not used (concealed under the programme panel) SW6 = Reed element DFT1 = Display for showing temperatures DL1 = LED sign +...
- Page 27 Service Manual C + D Temperature probes Temperatures in the refrigerator are measured by two NTC probes: • Evaporator temperature probe (foamed within the refrigerator) • Freezer air temperature probe (located in the freezer) The cables for probes A and B are foamed into the interior of the casing so they cannot be replaced (for more information see the H8-74-05 Service Manual).
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Page 28: Main Functions
Service Manual Main functions FIFTY TOTAL NO FROST combination appliance 9.1.1 Normal function When the appliance is switched on for the first time and there is a temperature of more than 10°C in the freezer, the appliance will carry out a test programme (factory setting) for up to 1.5 hours. No function tests may be carried out during this time, since the appliance loads are only activated for internal controls (compressor, fan and defrost resistor). -
Page 29: Defrosting
Service Manual When, upon resumption of the power supply, the temperature inside the appliance is lower than the cut-in temperature of the air temperature probe in the refrigerator, the compressor will operate in the thermostatic operating status and the electronic system will activate the defrosting procedure after five hours (after the compressor has been switched off). -
Page 30: Flow Diagram For Controlling The Defrosting Procedure
Service Manual 9.1.4 Flow diagram for controlling the defrosting procedure Begin More than 5 hours have passed since the appliance was switched on and the compressor is switched off or has been operating for more than 2.5 hours? Defrosting Reset open counter Is the QUICK FREEZE function Have 14 hours passed since activated? -
Page 31: Quick Freeze Function
Service Manual 9.1.5 QUICK FREEZE function The QUICK FREEZE function is activated with the relevant key, after which: • the QUICK FREEZE function control lamp will be switched on; • the compressor will operate in the thermostatic operating mode for about 52 hours instead of in continuous operation (as if the temperature key had been set at Max.) and will then be switched off automatically. -
Page 32: Freezer Temperature Probe Fault
Service Manual NTC probe features: 9.1.8 Freezer temperature probe fault If the NTC temperature probe in the freezer develops a fault during normal operation (the signal emitted by the probe is not within the limits), the following will occur: • The display will show that the freezer temperature probe has developed a fault. -
Page 33: Refrigerator
Service Manual NTC probe features: Refrigerator 9.2.1 Normal When the appliance is switched on for the first time and there is a temperature of more than 10°C in the freezer, the appliance will have a test programme carried out (factory setting) for up to 1.5 hours. No function tests may be carried out during this time, since the appliance loads are only activated for internal controls (compressor). -
Page 34: Quick Cool Function
Service Manual 9.2.2 QUICK COOL function The QUICK COOL function is activated with the relevant key, after which: • the QUICK COOL function control lamp will be switched on; • the compressor will operate in the thermostatic operating mode for about 6 hours instead of in continuous operation (as if the temperature key had been set at Max.) and will then be switched off automatically. - Page 35 Service Manual NTC probe features: For internal use only...
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Page 36: Alarms
Service Manual Alarms 10.1 Freezer temperature alarm The temperature alarm is activated when the temperature in the freezer reaches –11°C: • The numbers in the display will blink. • The temperature alarm control lamp will switch on. • The buzzer will sound. To switch off the buzzer sound, press the key to deactivate the buzzer. -
Page 37: Accessibility
Service Manual Accessibility Caution! Always pull the mains plug out before working on the appliance. 11.1 FIFTY TOTAL NO FROST combination appliance 11.1.1 Wine cooler Air volume control (damper) Proceed as follows to access the air diffusor and its components (air volume control and lamp mounting): Unhook the ratchet brace and remove the Remove the filter holder downwards. -
Page 38: B Control Holder
Service Manual View of the lamp mounting The damper is fastened with 2 screws; it is connected to the electric wiring with a 4-pole connector. Control holder To access the control holder and its components (electronic power unit and electronic display unit), the metal cover of the assembly set, located on top of the two appliances, will need to be removed. -
Page 39: Freezer
Service Manual Loosen the two fastening screws for the control panel and remove them. This will give you access to the electronic power unit and the electronic display unit. 11.2 Freezer Caution! Always pull the mains plug out before working on the appliance. 11.2.1 Finned-type evaporator Proceed as follows to access the finned-type evaporator and its components (fan, defroster heating element and thermal switch):... - Page 40 Service Manual Remove the cover of the terminal board. Disconnect the 2 fan connectors and the defroster heating element Unhook the 3 bottom ratchet braces on the Put a screwdriver in the slot shown. ventilation screen. Put the tip of the screwdriver into the ratchet Pull out the evaporator module.
- Page 41 Service Manual Thermal switch connector 10. Thermal switch Please note! The defrost termination thermal switch and the thermal circuit breaker (+8/+40°C) connected to one another and are thus not available as separate spare parts. 11. The fan is fastened to the holder which pulls Please note! out of the evaporator module.
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Page 42: Fault Finding
Service Manual Fault finding Caution! Always pull the mains plug out before working on the appliance. 12.1 Layer of ice on the battery too thick When the rubber valve stays open, the humidified air outside the freezer gets inside and too much ice is deposited on the battery. -
Page 43: Special Functions Fifty Total No Frost Combination Appliance
Service Manual Special functions FIFTY TOTAL NO FROST combination appliance 13.0.1 Customer service programme Starting the customer service programme Put the plug into the socket. Switch on the appliance with the ON/OFF key. Open the appliance doors. Switch off the appliance with the ON/OFF key. Press the two QUICK FREEZE and alarm OFF keys simultaneously within 10 seconds. - Page 44 Service Manual The display shows 2 and the load regulated by the acs TH3 [illumination lamp] is checked. Press the ON/OFF key to activate/deactivate the load (the load is activated when the QUICK FREEZE function control lamp and the alarm control lamp switch on). The display shows 3 and the load regulated by the acs TH4 [fan] is checked.
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Page 45: Display Symbols
Service Manual Display symbols 14.1 FIFTY TOTAL NO FROST combination appliance 14.1.1 Wine cooler Display Figures Description Not blinking The temperature for normal operation in the wine cooler is shown [from +5°C to +16°C] Not blinking A fault in the air temperature probe in the wine cooler is shown Not blinking Shown when the electronic systems are not... -
Page 46: Refrigerator
Service Manual 14.2 Refrigerator Display Figures Description Not blinking The temperature for normal operation in the freezer is shown [from +2°C to +8°C]. Not blinking The HOLIDAY function in the refrigerator is shown [15°C]. Not blinking A fault in the air temperature probe in the refrigerator is shown.
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