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Summary of Contents for Kuppersbusch FWK 880.0E
- Page 1 Technical Manual Wine cabinet FWK 880.0E UWK 8200-1-2Z EWK 880-0-2Z 31.07.2018 Read the technical manual carefully to insure safe and proper performance of the work and store it for later use.
- Page 2 Service Manual: H8-93-01 Responsible: Uwe Laarmann KÜPPERSBUSCH HAUSGERÄTE AG Email: uwe.laarmann@kueppersbusch.de Phone: +49 (0) 209 / 401-732 Support: Fax: +49 (0) 209 / 401-743 Post box 100 132 Date: 31.07.2018 D-45801 Gelsenkirchen H8-93-01...
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Page 3: Table Of Contents
Table of contents Table of contents Safety precautions ......................4 Qualifi cation of the Technical Service Personnel ..............4 Personal safety equipment....................4 Danger symbols ........................4 Electrical Safety ........................5 Spare parts..........................5 Environmental protection ....................5 Refrigerant and cooling system .................6 Refrigerating cycle ......................6 Refrigeration system ......................8 Electrical and control systems .................. -
Page 4: Safety Precautions
Safety precautions Safety precautions Qualifi cation of the Technical Service Personnel The repairs must be carried out by specialized personnel. Inappropriate repairs may cause harm to the users. Personal safety equipment Mandatory signs Meaning Protective gloves protect the hands from infections as well as from slight bruises and cuts. -
Page 5: Electrical Safety
Safety precautions Electrical Safety WARNING Risk of serious or fatal injury from electric shock! — All parts of this appliance capable of conducting electrical current are grounded. — If grounding wires, screws, straps, clips, nuts or washers used to complete a path to ground are removed for service, they must be returned to their original position and properly fastened. -
Page 6: Refrigerant And Cooling System
Refrigerant and cooling system Refrigerant and cooling system Refrigerating cycle 2.1.1 For models without solenoid valve 1. Compressor 2. Spiral tube (not available for some models) 3. Condenser fan (not available for some models) 4. Condenser (not available for some models) 5. - Page 7 Refrigerant and cooling system 2.1.2 For models with solenoid valve 1. Compressor 2. Spiral tube (not available for some models) 3. Condenser fan (not available for some models) 4. Condenser (not available for some models) 5. Hot pipe 6. Process tube 7.
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Page 8: Refrigeration System
Electrical and control systems Refrigeration system All refrigeration units cool by removing heat from the cabinet rather than pumping in cool air. In a conventional refrigeration unit, liquid refrigerant enters the evaporator and vaporizes (boils) due to the low pressure, creating a very cold surface which removes heat from inside the cabinet. - Page 9 Electrical and control systems Note: To perform the multi-key function, press and hold the fi rst key, then press the other keys the required number of times and then release all the keys. Sabbath Mode Sabbath mode is available for the observance of certain religious holidays. This mode turns off the displays, interior light and audible alarms and prevents them from turning on again.
- Page 10 Electrical and control systems Door alarm If the door has been left open for more than 60 seconds, the alarm will sound. Once the set temperature has been reached in the appliance, the alarm stops and the relevant temperature display stops fl ashing. However, if the noise disturbs you, you can switch the alarm off...
- Page 11 Electrical and control systems 3.1.4 Fan control Fan F1C and F1H • For single-zone models, the evaporator fan motors are positioned in the cabinet inside. For dual-zone models, the fan motors are positioned in the upper zone. For three-zone models, they are positioned in the middle zone. •...
- Page 12 Electrical and control systems 3.1.5 Self-checking function of the control system The display/control PCB has a self-checking function. Press and hold the LIGHT and DOWN keys at the same time for 5 seconds, the indicator light will fl ash once to confi rm the input and the unit will activate the self-checking program.
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Page 13: Diagrams
Electrical and control systems Diagrams 3.2.1 For single-zone models 3.2.2 For freezer models H8-93-01... - Page 14 Electrical and control systems 3.2.3 For dual-zone models with solenoid valve Control panel inside the cabinet 3.2.4 For three-zone models H8-93-01...
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Page 15: Diagram For Pcb
Electrical and control systems Diagram for PCB 3.3.1 Power PCB 3.3.2 Control PCB for dual-zone models and upper control unit for three-zone models H8-93-01... -
Page 16: Sensor Resistance Table
Electrical and control systems Sensor resistance table • The tolerance of sensor resistance is ±5% • Be sure to measure the sensor resistance after keeping the sensor more than 3 minutes at a measuring temperature (delay due to sensor speed). H8-93-01... -
Page 17: Compressor Room And Parts List
Compressor room and parts list Compressor room and parts list Connection of condenser outlet tubing and hot pipe inlet tubing Electrical box Process tube Power PCB Compressor Suction tube Discharge pipe Condenser fan motor (not available in some models) Drainage hose Outlet tubing of hot pipe Process tube Dryer... -
Page 18: Doors
Doors Doors Door stop This door opening is from either the left or right side. The appliance is delivered to you with the door opening from the left side. To reverse the door stop, please follow the instructions: Note: All parts removed must be saved for the reinstallation of door. 5.1.1 Built-under appliances 1. - Page 19 Doors 7. Remove the cover caps on the left side of cabinet and use them to cover the screw holes on the right-hand side. 8. Screw the alternative left top hinge (11) with the fi ttings on the left side of the appliance (Fig. 9.
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Page 20: Door Alignment
Doors Door alignment 1. Tilt the appliance together with another person and loosen the screws (2). 2. Align the glass door with the top side parallel to the top of the cabinet, and then tighten the screws. 3. An adjustment of the hinge is necessary if: 4. -
Page 21: Changing The Led Lamp
Doors Changing the LED Lamp 1. Remove all shelves. 2. Loosen the screw (1). (With the new design, the step of unscrewing the screw is not necessary.) 3. Remove the light cover (2) with your fi ngernail. Now you can replace the PCB for the LED lamp. Important: Pay attention to the correct polarity when inserting the new PCB for the LED lamp! H8-93-01... -
Page 22: Replacing Main Parts
Replacing main parts Replacing main parts Control PCB, fan motor, ventilation fl ap and LED light in the middle divider 1. Remove all shelves. 2. Loosen the two screws (2) that connect the bottom plate and top plate of middle divider. 3. -
Page 23: Replacing The Power Pcb
Replacing main parts Replacing the power PCB 1. Loosen the fi ve screws (1) that fi x the rear grill to the cabinet. 2. Loosen screws (3) and (6). 3. Pull out the electrical box base (4) and cover (7) and power PCB (5). 4. -
Page 24: Ptc Heating, Fan Motor Heating, Temperature Sensor In The Lower Part Of The Dual-Zones Models
Replacing main parts PTC heating, fan motor heating, temperature sensor in the lower part of the dual-zones models 1. Remove all shelves. 2. Remove the screws (1) that secure the lower air channel cover (4) to the cabinet. 3. Disconnect the evaporator fan motor wires. Then pull out the lower air channel cover. 4. -
Page 25: Evaporator Fan Motor And Condenser
Replacing main parts Evaporator fan motor and condenser 1. Disconnect the condenser fan motor connector from the cable or power PCB inside the electrical box. 2. Remove the two screws (1) that secure the fan motor F0 (4) to the compressor base (2). 3. -
Page 26: Evaporator Group
Replacing main parts Evaporator group Dual-zone models Single-zone models Note: Before replacing any component of the refrigeration system, make sure to read the instructions “Service Precautions for R600A System” or “Service Precautions for R134a System”. 1. Unplug the appliance. 2. Clean and then solder the capillary from the fi lter dryer. 3. -
Page 27: Filter Dryer
Troubleshooting Filter dryer Note: A new fi lter dryer must be installed each time any component of the refrigeration system opened or replaced. Troubleshooting Problem Cause Remedy Appliance does not operate Appliance is not connected to a Connected to a power supply. power supply. - Page 28 Troubleshooting No illumination Appliance is not connected to a Connected to a power supply. power supply. The circuit breaker tripped or a blown Switch on circuit breaker or replace fuse. fuse. The light was switched off on the Switch on the light. control panel.
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Page 29: Diagnosis Guide
Troubleshooting The icon “--” is lit up and The display temperature is out of the Only temperatures within the range fl ashing in the temperature range. 0~99°F/-9~37°C will be shown. If the display. temperature is not within this range, the icon “--”... - Page 30 Troubleshooting Single-zone model with cooling and heating The displayed temperature is higher 1. Is the ambient temperature too high (more than 35°C)? than the set temperature. 2. Is the ventilation blocked? 3. Are the fan motors defective? 4. Is the temperature sensor faulty? 5.
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Page 31: Troubleshooting In The Refrigerant System
Troubleshooting Dual-zone models with 2 doors The displayed temperature is higher 1. Is the ambient temperature too high (more than 35°C)? than the set temperature. 2. Is the ventilation blocked? 3. Are the fan motors defective? 4. Is the temperature sensor faulty? 5. -
Page 32: Special Detailed Diagnosis
Troubleshooting The condenser is cold. Not enough refrigerant. Find Discharge refrigerant. the leaking point. The temperature of Charge refrigerant to the Note: Note: If you fi nd oil , compressor is high. designated volume. perhaps you can fi nd the Appliance is not cold enough. - Page 33 Troubleshooting 7.4.2 Condenser fan motor (F0) 1. The condenser fan motor operates in parallel with the compressor. If the compressor runs but the motor doesn't, the motor is either defective or disconnected. If the motor doesn’t run, check the main PCB and the cabinet wiring. 2.
- Page 34 Troubleshooting 7.4.5 Heater fan motor (F2H) 1. The fan motor operates when the heater operates and for the rest of the time, it cycles ON and OFF to circulate the interior air. If the PCB heater runs but the motor doesn't, the motor is either defective or disconnected.
- Page 35 Troubleshooting If the compressor starts, the overload protectionis defective and must be replaced. If the compressor fails to start, check for a defective start relay or compressor. 1. Remove the PTC and overload protector from the compressor. 2. Connect one ohmmeter probe to the compressor shell. Make sure the probe makes good contact with bare metal.
- Page 36 Troubleshooting 2. Open circuit - under normal conditions, allows the compressor to start. Under a big operating load, however, the compressor will trip the overload protector. 3. Low output of capacitor – due to a loss of electrolytic properties the capacitor may loose its output, The compressor would operate with a light output but can trip the overload protector if the ambient temperatures are too high.
- Page 37 Troubleshooting Normal noises All models incorporate rigid foam insulated cabinets to provide high thermal effi ciency and maximum sound reduction for their internal working components. In spite of this technology, your model may make sounds that are unfamiliar. Normal operating sounds may be more noticeable because of the unit’s environment. Hard surfaces such as cabinets, wood/vinyl/tiled fl...
- Page 38 Troubleshooting 7.4.12 Solenoid valve If the upper zone of the double door model is too cold or freezing instead of cooling the lower zone, please check the solenoid valve as below: 1. Dismantle the POWER PCB box. 2. Connect the solenoid valve directly to the external power source. 3.
- Page 39 Troubleshooting 7.4.16 Error code E3 This code indicates that the circuit of the defrost sensor in the evaporator is not closed. This may be caused by the following reasons: • Defective temperature sensor. Replace it. • The control PCB is defective. Replace. •...
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Page 40: Faq
Troubleshooting • Wrong connection of capillary for left/upper zone and lower zone. • Wrong connection of temperature sensor for left/upper zone and lower zone. 7.4.20 Error code E7 Door switch failed. It may be caused by the following reasons: • The door was not closed completely. Please open and close the door with a little more force. - Page 41 Troubleshooting Water has appeared in the inside wall of the appliance. • During highly humid times, especially during summer, this can happen when opening the door too often. The appliance never seems to stop: but it is always on. • Make sure the door is closed properly. Add a separate thermometer inside the cellar to see if the cellar thermostat indicates the same temperature.
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