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FROST FREE REFRIGERATOR

Service manual

VZ34/VZ29/VZ26

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Содержание FF250L

Страница 1: ...FROST FREE REFRIGERATOR Service manual VZ34 VZ29 VZ26 ...

Страница 2: ...IONS 19 22 DISASSEMBLY 8 13 COMPRESSOR ADJUSTMENT 13 TROUBLESHOOTING 22 26 TEMPERATURE CONTROLS 26 MICOM FEATURE CONTROLS 14 17 PCB DETAILS 27 36 RESISTANCE CHARACTERISTICS 36 EXPLODED VIEW PART DETAILS 4 7 RELAY ADJUSTMENT 18 19 SPECIFICATIONS 1 3 ...

Страница 3: ...VIDEOCON REF FF250L VIDEOCON REF FF280L VIDEOCON REF FF330L MODEL VZ26 MODEL VZ29 MODEL VZ34 ...

Страница 4: ... 12V 2W 2500RPM LG 330MD3 33 Ω 20 25C JIAXIPERA QP2 15L01 QPS2 B15MD3 9 19Ω 25C 220 240V 50 Hz LG CMA089NAEM 14 4 10 Ω Sub 25C 20 6 5 Ω Main 25C JIAXIPERA TX1113Y 19 8 10 Ω Sub 25C 16 8 10 Main 25C 12V 100PPS 230V 170W 73C 250V HEATER RATING THERMAL FUSE RATING RELAY RATING COMPRESSOR STARTUP RANGE COMPRESSOR MOTOR RATING DAMPER RATING COMPRESSOR EVAPORATOR CONDENSER FAN MOTOR RATING REFRIGERATOR ...

Страница 5: ... 12V 2W 2500RPM LG 330MD3 33 Ω 20 25C JIAXIPERA QP2 15L01 QPS2 B15MD3 9 19Ω 25C 220 240V 50 Hz LG CMA089NAEM 14 4 10 Ω Sub 25C 20 6 5 Ω Main 25C JIAXIPERA TX1113Y 19 8 10 Ω Sub 25C 16 8 10 Main 25C 12V 100PPS 230V 170W 73C 250V DEFROSTING SYSTEM DOOR FINISH OUT CASE ITEMS TEMPERATURE CONTROL DEPTH WIDTH HEIGHT COOLING SYSTEM REFRIGERATOR COMPARTMENT DOOR POCKETS FREEZER COMPARTMENT INNER CASE INSU...

Страница 6: ...YPE FIN TYPE SKIN TYPE 12V 2W 2500RPM RELAY RATING JIAXIPERA TY QZ 003 JX03 9 19Ω 25C 220 240V 50 Hz COMPRESSOR MOTOR RATING JIAXIPERA NB1116Y 19 6 10 Ω Sub 25C 15 7 10 Main 25C 12V 100PPS 230V 170W 73C 250V DEFROSTING SYSTEM DOOR FINISH OUT CASE ITEMS TEMPERATURE CONTROL DEPTH WIDTH HEIGHT COOLING SYSTEM REFRIGERATOR COMPARTMENT DOOR POCKETS FREEZER COMPARTMENT INNER CASE INSULATION DEFROSTING SE...

Страница 7: ...4 EXPLODED VIEW AND PART DETAILS ...

Страница 8: ... HINGE CENTRE FF Z330L 1 PC 27 1100118114 BOX ICE CUBE GPPS PURPLE BLUE FF VZ330L 1 PC 28 1100118116 KNOB ICE CUBE HIPS WHITE FF Z330L 2 PC 29 1100118151 HOLDER LOCK POM WHITE FF Z330L 1 PC 30 1100122466 COMPRESSOR WITH ACCESORI LG CMA089 R600a 1 PC 31 1100118182 DRYER 10GM DOUBLE ENTRY LOCK RING Z330L 1 PC 32 1100118183 CLAMP DRYER FF Z330L 1 PC 33 1100118167 PAN WATER EVAPORATOR PP WHITE FF VZ33...

Страница 9: ...LAYBOARD ABS FR FF Z330L 1 PC 4 1100118173 HANDLE BASE FC ABS FF VZ330L SILKYGREY 1 PC 5 1100118174 HANDLE COVER FC ABS FF VZ330L SILKYGREY 1 PC 6 1100118175 HANDLE COVERSTRIP FC ABS VZ330L CHROME 1 PC 7 1100118132 MEDIBOX HIPS WHITE FC FF VZ330L 1 PC 8 1100118131 COVER MEDIBOX GPPS FC PURPLEBL FF VZ330 1 PC 9 1100118130 DAIRYBIN GPPS FC PURPLEBLUE FF VZ330L 2 PC 10 1100118129 SUPPORT UTILITY GPPS...

Страница 10: ...1100118178 HANDLE COVERSTRIP RC ABS VZ330L CHROM E 1 PC 6 1100118134 SUPPORT UTILITY GPPS RCT PURPLEBL VZ330 1 PC 7 1100118136 DAIRYBIN GPPS RC PURPLEBLUE FF VZ330L 2 PC 8 1100118138 COSM ETICBOX HIPS WHIET RC FF VZ330L 1 PC 9 1100118137 COVER COSM ETICBOX GPPS RC PURPLEBL VZ 1 PC 10 1100118139 COVER DEODORIZER RC ABS SKYBLUE VZ330L 1 PC 11 1100118133 SUPPORT BOTTLE GPPS RC PURPLEBL VZ330L 1 PC 12...

Страница 11: ...e center The gas inside the circuit may pollute the environment When you discharge the refrigerant wear the protective safetyglasses or goggle for eye safety When you repair the cycle system in refrigerator the work area is well ventilated Especially if the refrigerant is R600a there are nofire or heat sources No Smoking DISASSEMBLY FREEZER DOOR Open the hinge cover with a type driver Loosen all 4...

Страница 12: ...F SENSOR FREEZER SENSOR DEFROST SENSOR To change or disassemble the sensors they should be properly removed from their respective locations 1 Refrigerator sensors are located behind R Louvers as marked in the picture Please disassemble the R Louver as mentioned earlier and then remove the sensor 2 Freezer sensor is fixed between F Louver Cover and F Louver EPS as shown in the above image Please di...

Страница 13: ...etal surface of Evaporator and senses temperature Temperature fuse is a kind of safety device for preventing overheating of the heater when defrosting At the temperature of 72 C it stops the emission of heat from the heater Pull out the F Louver EPS after removing the F Louver cover Separate the connector connected with the Auto Defrost Assembly and replace new one Damper is located over the R Lou...

Страница 14: ... connected the housing If the Heater Cord is defected disconnect the connectors and separate the Heater Cord with long Nose Replace and assembly the Heater Cord L and connect the connectors BOTTOM CAP Bottom cap is given in bottom of front side of refrigerator It is mounted on two small re enforcement pieces as marked in the image added just below the front bottom panel Carefully put the snaps of ...

Страница 15: ...e mounting screws with help of a suitable type screw driver to open the PCB cover Take out the back plate carefully from the snaps given in back panel Disconnect all the connectors Remove the main power line and EMC filter Take the PCB out with the Back plate for required servicing DISASSEMBLY MAIN PCB ...

Страница 16: ... Compressor Motor moving Compressor Apparatus and Case protecting Compressor Apparatus and Motor There is Relay Assy one set of PTC Starter and Over Load Protector OLP in Compressor On the other hand because the Compressor consists of 1 1000mm processing precision components and is sealed afterproduction in absence of dust or humidity deal and repair with care NOTE FOR USAGE Be careful not to allo...

Страница 17: ...tion 3 DEEP FREEZER MODE 1 Press and hold FAST ICE key for over 5s to enter into this mode It will show the pattern of FAST ICE The setting temperature of freezing chamber is 30 and that of refrigerating chamber is 8 The setting temperature cannot be adjusted 2 In this mode the compressor and power driven air door operate upon setting temperature 3 In this mode the compressor will run continuously...

Страница 18: ... this mode the VACATION key is invalid If the electricity is turned off in midway the system will enter into energy saving mode again after the electricity is turned on Power down memory function 7 SCREEN LOCKING KEY 1 The system will automatically confirm and lock the screen 30s after the completion of key operation Simultaneously press and hold and for 3s to manually lock the screen In screen lo...

Страница 19: ...ll the lights of the LED panel are opened 2 All the lights of LED panel are closed after 2S 3 The circulating fan works for 5s after being opened every time 4 The lamp of the freezing chamber keeps light for 5s after being opened every time 5 The power driven air door restore once 6 The lamp of the refrigerating chamber is opened and closed after lasting for 5S 7 The photo synthetic fresh keeping ...

Страница 20: ...ault 13 FAULT ITEMS NOTE After being powered on there will be E7 fault which is normal phenomenon and restart will be able to eliminate this fault 14 DISSEMBLING THE PCB 1 Place a point sharp pin in the right of Energy Saving key as shown in the picture 2 Gently insert it behind the PCB cover 3 Pull the PCB cover with the help of inserted pin outward to open the Front PCB cover S N Fault Type Disp...

Страница 21: ...ealing poor operation and noise may occur 3 Use proper electric components appropriate to the Compressor 4 Note to Keep Compressor If Compressor gets wet in the rain and rust in the pin of Hermetic Terminal the result may be poor operation and poor contact may cause 5 Be careful that dust humidity and flux welding don t inflow in the Compressor inside in replacing the Compressor Dust humidity and ...

Страница 22: ...r off during normal Compressor Motor operation plug the power cord after 5 min for pressure balance of Refrigerating Cycle and PTC cooling 2 During normal operation of the Compressor Motor PTC elements generate heat continuously Therefore if PTC isn t cooled for a while after the power has been shut off Motor can t operate again RELATION BETWEEN OLP PTC RELAY If the power is off during operation o...

Страница 23: ...okring Potable leakage detector 3g year Nitrogen Cylinder for leakage test Concentration gauge Air Recharging in Compressor Before refilling the refrigerant you must perform the test according to Troubleshooting Chart When the defects are found you must discharge the residual refrigerant R600a in the outdoor For discharging the refrigerant R600a break the narrow portion of tube extension by hand o...

Страница 24: ...ng Connect the Schrader valve to pump with the coupler And then turn the pump on for vacuum state Figure 3 Let the pump run until the low pressure gauge indicates the vacuum gauge pressure 0 absolute pressure 1atm or 760mmHg Recommended vacuum time is 30 min Charge the N2 gas in order to check for leakage from welding points and the LOKRING If leakages are found repair the defects and repeat the v...

Страница 25: ...Schrader valve cap after the refrigerant R600a is completely recharged After you completely recharge the refrigerant R600a perform the leakage test by using a portable leakage detector or soapy water Test the low pressure suction parts in compressor off time and high pressure parts in compressor on time If the leakages are found restart from the refrigerant R600a discharging process and repairs de...

Страница 26: ...23 TROUBLESHOOTING OTHER ELECTRIC COMPONENTS ...

Страница 27: ...t Whether frost forms or not in Evaporator Whether oil leaks or not Observe the discharged amount of Refrigerant Inject Refrigerant to Compressor and check cooling operation Faulty Compressor Moisture Clog Gas leakage Clogged by dust Check Compressor Frost formed normally Normal amount Frost formed normally YES No frost or forms in inlet only No or much amount YES Check the leakage point ...

Страница 28: ...tch is shorted Measure the voltage of power outlet Cooling is impossible REMEDY POINTS TO BE CHECKED COMPLAINT Clean the inside of the set Wrap smelly foods The new products smells of plastic but it is eliminated after 1 2 weeks Check if the inside of the set is dirty Did you keep smelly foods without wrapping It smells of plastic Ice and foods smell unpleasant Clean the door packing Position in t...

Страница 29: ...as climate condition Refer the following recommended setting for best usage MINIMUM NORMAL MAXIMUM MINIMUM NORMAL MAXIMUM Temp Bar Freezer Temp For Ref Compartment In this mode you can select between 6 different preset cooling l evel which appear in the form of a bar graph from 1 to 6 Using Bottom to UP arrow keys The LCD screen will display Min for 1st and 2nd levels Normal for level 3 4 Max for ...

Страница 30: ... PCB DETAILS Live Neutral Compressor Control Defrost Heater Control Fan Control Damper Freezer Sensor Defrost Sensor Freezer Lamp Freezer Switch Photosynthatic Light Ref Lamp Ref Sensor Ref Switch Display ...

Страница 31: ...28 PCB DETAILS ...

Страница 32: ...29 PCB DETAILS ...

Страница 33: ...30 PCB DETAILS SWITCHING POWER SUPPLY CIRCUIT ...

Страница 34: ...PCB DETAILS 31 RESET CIRCUIT DOOR SWITCH CONTROL CIRCUIT ...

Страница 35: ...PCB DETAILS 32 FAN CONTROL CIRCUIT LIGHTING CIRCUIT ...

Страница 36: ...PCB DETAILS 33 DAMPER CONTROL CIRCUIT COMMUNICATION CIRCUIT ...

Страница 37: ...34 PCB DETAILS ...

Страница 38: ...35 PCB DETAILS TEMPERATURE CONTROL CIRCUIT LOAD OUTPUT CIRCUIT ...

Страница 39: ...KΩ 3 107KΩ 20 2 494KΩ 2 471KΩ 25 1 997KΩ 1 979KΩ 30 1 610KΩ 1 596KΩ 35 1 306KΩ 1 295KΩ 40 1 067KΩ 1 057KΩ 45 0 876KΩ 0 868KΩ 50 0 724KΩ 0 717KΩ RESISTANCE MEASURED TEMPERATURE RESISTANCE CHARACTERISTICS TABLE OF SENSORS Ÿ The tolerance of sensor resistance is 2 Ÿ Be sure to measure the sensor resistance after keeping the sensor more than 3 minutes at a measuring temperature It needs delay due to s...

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