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Haier WS49GDB, Service Manual

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Haier WS49GDB Service Manual Download Page 31

   

 

SERVICE MANUAL

Model: W S 4 9 GDB 

31

Issue  2014-12-10 

Rev.  

FZ1412S025V3 

 
 
 
 
 
Sincere forever

 

 

 

 

 

 

 

 

 

Haier Group

 

Summary of Contents for WS49GDB

Page 1: ... repair technicians only and is not designed for use by the general public It dose not contain warnings and cautions to advice non technical individuals of potential dangers in attempting to service a product Product powered by electricity should by serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service ...

Page 2: ...justments 8 3 3 Maintenance 8 4 Disassembly 10 4 1 Door assembly Door hinge hinge cover 10 4 2 Control panel and display panel 10 4 3 Ballast 13 4 4 Compressor 13 5 Control and display system 14 5 1 Control and display panel 14 6 System flow principle 15 6 1 Refrigeration flow chart 15 6 2 Refrigeration flow scenograph 16 7 Circuit diagram 17 7 1 Brief principle diagram 17 7 2 Brief connection dia...

Page 3: ...shock 4 Confirm the rated current voltage and capacity before testing with any kinds of instruments 5 Watch if the upper door is open when we check something at a lower position 6 Take out every part in the cabinet before moving the machine especially things like panels e g glass shelf 7 Please wear intact cotton gloves when repair any parts of the evaporator so that scratches by the sharp fins ca...

Page 4: ...continuous restart Photo used in this manual The illustration and photos used in this Manual may not base on the final design of products which may differ from the products in some way 1 3 How to read this Service Manual 1 3 1 Using Icons Icons are used to attract the attention of the reader to specific information The meaning of each icon is described in the table below Note A note provides infor...

Page 5: ... CP IP Defrosting H manual A automatic Fridge Freeze B Defrost water outlet Yes Air circulating ventilator Yes Kind of coolant R134a R600a R600a 34g 3 Technical data Voltage frequency V Hz 220 240 V 50Hz Input power W 125W Length of cable incl plug cm 200 Temperature range from to Fridge Freezer C 6 18 Energy consumption EN 153 per l 100 kWh year 190 Energy consumption EN 153 per l 100 kWh 24 h 0 ...

Page 6: ...YES 5 Equipment Accessories Control panel interior exterior Exterior Thermometer interior exterior Exterior Over temperature ALARM LED acoustic LED Adjustable thermostat Yes Interior light W 2 Adjustable feet front rear n front Castors front rear rear 6 Product dimensions Unit dimensions H W D cm 127 54 50 Depth with open door cm 40 Net weight kg 58 7 Packing dimensions load ability Packing dimens...

Page 7: ...SERVICE MANUAL Model WS49GDB 7 Issue 2014 12 10 Rev FZ1412S025V3 2 2 External views ...

Page 8: ...o assure the Wine cellar works at the maximum efficiency it was designed for we should install it in a location where there is proper air circulation the following are recommended clearances around the Wine cellar Sides 0 8 20mm Top 6 3 630mm Back 4 100mm 3 2 Adjustment 3 2 1 Operating the Wine cellar 1 Once the wine cellar is in its proper place plug it in an electrical outlet having 100 110 volt...

Page 9: ...id the warranty 2 Unplug the power pin then take out stored wine and place in a safety place Defrosting usually takes a few hours To defrost faster keep the freezer door open 3 When frost buildup has melted wipe water off with a dry cloth Replace the electrical plug in the electrical outlet 4 Reset the temperature control to the desired setting Do not use an ice pick or sharp edged instrument as i...

Page 10: ...mbly Door hinge hinge cover a Remove the hinge cover b Remove the screws fixed the up hinge and lift the door 4 2 Control panel a Firstly pick out all wine supports Then remove b Pick out the middle separate structure Fan baffle loosen the Philip screws on the two sides of the middle separate structure ...

Page 11: ...4 12 10 Rev FZ1412S025V3 c invert the middle structure d Disassemble the light cover e loosen the screws fixed the light f The display panel is fixed on the plastic panel with three Philip screws pick out he connected wire then loose the screw ...

Page 12: ...a Firstly pick out all wine supports Then remove b Pick out the middle separate structure Fan baffle loosen the Philip screws on the two sides of the middle separate structure c then open the evaporator from left to right the heater on the back of the box then it can be changed ...

Page 13: ... Take the philip screw apart from the box of Main control panel c Pick out Main control panel d loose the screw fixed Main control panel then pick out the Main control panel assembling it please follow the reverse step 4 4 Compressor a On the picture is the connection of b There is a Water evaporator case The accessories of the compressor and on the compressor the earth wire ...

Page 14: ... FZ1412S025V3 4 4 Change sensor 1 First use a screwdriver to remove the sensor cover 2 Then remove the sensor and remove the sensor from the wire harness 3 Take the need to replace the sensor line in the distance sensor 100mm place to cut down the sensor ...

Page 15: ...SERVICE MANUAL Model WS49GDB 15 Issue 2014 12 10 Rev FZ1412S025V3 4 Connect the new sensor with the box body sensor wire 5 The sensor will connect a good card in sensor ...

Page 16: ...SERVICE MANUAL Model WS49GDB 16 Issue 2014 12 10 Rev FZ1412S025V3 shield 6 The sensor cover card in the box ...

Page 17: ...del WS49GDB 17 Issue 2014 12 10 Rev FZ1412S025V3 Chapter 5 Control and display system 5 1 Control panel and display Brief description of control panel principle 1 Temperature Adjustment up 2 Temperature Adjustment down ...

Page 18: ...will stay on for the lower The wine cellar is present the factory to automatically accommodate temperature requirements for red or white wines The wine cellar can be set to any temperature between 6 C and 18 C in either of the compartments to accommodate your wine storage requirements To set the temperature hold the set button for about 3 seconds You will notice the temperature display blink for t...

Page 19: ...r the LED light is on and when you close the door the LED light is off If you want to keep the LED light is on after you close the door you can open the door and press the light button and you can notice Chapter 6 System flow principle 6 1 Refrigeration flow chart 6 2 Refrigeration flow scenograph ...

Page 20: ...SERVICE MANUAL Model WS49GDB 20 Issue 2014 12 10 Rev FZ1412S025V3 Chapter 7 Circuit diagram 7 1 Brief principle diagram ...

Page 21: ... 24 hours before plugging the unit in 2 The alarm will sound when the appliance is switched on for the first time and when the appliance is warm Press the Alarm button to switch it off The temperature display will also flash until the set temperature is reached 3 The appliance has been tested and is supplied for normal operation of 12 C 7 2 Brief connection diagram ...

Page 22: ...SERVICE MANUAL Model WS49GDB 22 Issue 2014 12 10 Rev FZ1412S025V3 Chapter 8 Trouble shooting ...

Page 23: ...t 7 Measure using R 1 position of avometer if there is wire broken change compressor 8 Change compressor 9 Change compressor Compressor starts too frequent operation time too long but temperature drop in wine cellar is too slow 1 The point of sensor was moved 2 The temperature controller is out of order 3 The environment temperature is too high humidity too high airflow is impeded 4 The frost laye...

Page 24: ...ce 4 Compressor fixing screw is loose 5 The vibration absorption cushion for compressor fixing is too tight or too loose or ageing 6 Compressor inside noise is too big or vibration absorption suspending spring is broken 1 Reinforce the floor 2 Make the wine cellar body stable 3 Move the tube a little away to avoid friction 4 Make the screw tight 5 Adjust the degree of tight or loose of vibration a...

Page 25: ...AL Model WS49GDB 25 Issue 2014 12 10 Rev FZ1412S025V3 8 2 Abnormal phenomena 8 2 1 Compressor doesn t start 2 The reason maybe the fan is broken or be plugged or Refrigerant leakage or The compressor refrigeration ...

Page 26: ...SERVICE MANUAL Model WS49GDB 26 Issue 2014 12 10 Rev FZ1412S025V3 8 2 2 Poor cooling ...

Page 27: ...SERVICE MANUAL Model WS49GDB 27 Issue 2014 12 10 Rev FZ1412S025V3 ...

Page 28: ...8 2 3 The condition of everypart working blow as ...

Page 29: ... need to check the color 2 the sensor is broken change the sensor 3 the valve maybe is not working change the valve Y Y N Y 8 2 4 Fault interpretation The temperature is too low connection between valve and Eva is wrong Change the right Connect If valve is fault Change the valve If the sensor is in the right place Change the place Change the sensor Y N N Y N ...

Page 30: ...move it to original place 2 Adjust to suitable position normally contact tightly with evaporator cover 3 Change compressor HH Compressor The actual temperature of the sensor is more than 50 1 Check the point of sensor and move it to original place 2 Change the temperature controller 3 Put the wine cellar to suitable place and make air circulate well 4 Remove frost regularly 5 Check or supplement r...

Page 31: ...SERVICE MANUAL Model WS49GDB 31 Issue 2014 12 10 Rev FZ1412S025V3 Sincere forever Haier Group ...

Page 32: ...SERVICE MANUAL Model WS49GDB 32 Issue 2014 12 10 Rev FZ1412S025V3 Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com ...

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