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Hisense RD-44WC series, Service Manual

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Hisense RD-44WC series Service Manual Download Page 10

 

9 

 

 

Compressor Protector test 

——

 

Use a multi-meter to test the resistance between the two end as the pic show : 

If there show 000 or almost 0 then it is OK. 

If there is no response then it is broken. 

 

Compressor PTC starter test 

——

 

Use a multi-meter to test the resistance between the two end as the pic show : 

If there show the number is between About 9-25

Ω

  then it is OK. 

If there show 000 or no response then it is broken. 

 

Summary of Contents for RD-44WC series

Page 1: ...Refrigerator Service manual NO FROST MODEL RD 44WC BCD 322WYA NOTE product specifications are subject to change ...

Page 2: ...ion of replacing the main board 11 The instruction of of replacing lamp and display board 12 The instruction of of replacing fan motor 13 The instruction of replacing evaporator temperature sensor and temperature fuse and heater 14 The instruction of replacing Door switch 15 The instruction of replacing PTC Starting relay and Overload protector 16 The instruction of replacing electric wind gate 16...

Page 3: ... 6 Use standard electrical components when replacing them 7 Make sure the hook is correctly engaged Remove dust and foreign materials from the housing and connecting parts 8 Do not fray damage machine heavily bend pull out or twist the power cord 9 Please check the evidence of moisture intrusion in the electrical components Replace the parts or mask it with insulation tapes if moisture intrusion w...

Page 4: ...3 Parts Description ...

Page 5: ...3L Energy efficiency class A Climate class SN 10 32 C N 16 32 C ST 16 38 C T 16 43 C SN T Freezer compartment star rating 4 Star Energy consumption year kWh year 310 Energy consumption ISIRI 4853 2 per 24 h kWh 24 h 0 85 Freezing capacity 24 hours kg 24 h 12 Compressor W 220V 165W PTC starter V Ω 220V 15 20 Ω Overload protector Turn off Turn on C 120 5 C 61 9 C Heater V W Ω 220V 150W 10 324Ω 10 ...

Page 6: ...t V W DC12V 1W fan motor V W 13 2V 2W Max noise level dB A 42 Kind of coolant Charge R134a R600a grammes R g R600a 38 5 Net weight kg 77 Gross weight kg 85 W x D x H appearance mm 595 683 1850 W x D x H packaging mm 646 741 1931 ...

Page 7: ...e display area F4 indicator light flash 30 seconds 7 when the refrigerator door open time more than 2 minutes and less than 12 minutes refrigerator door temperature display area D5 indicator lights indicating until the refrigerator door closed 8 when frozen door open time more than 2 minutes and less than 12 minutes the freezing temperature display area F5 indicator lights indicating until frozen ...

Page 8: ...ion with a long sound of buzzer it enters into the process of mandatory defrosting After entering into the process of mandatory defrosting it controls the operation according to the normal operation of the automatic defrosting process In the process of mandatory defrosting the cold storage and the frozen temperature display area LED lamp repeatedly lights up from left to right The setting of contr...

Page 9: ...esistance between C M C S and S M Normal range of C M About 10 21Ω Normal range of C S About 10 27Ω Normal range of S M About 20 50Ω If the test result is not in this range then it means the inner coil has some problem and the compressor can not work properly ...

Page 10: ...w If there show 000 or almost 0 then it is OK If there is no response then it is broken Compressor PTC starter test Use a multi meter to test the resistance between the two end as the pic show If there show the number is between About 9 25Ω then it is OK If there show 000 or no response then it is broken ...

Page 11: ...on problems are evaporator defrost incomplete Checking method as following Picture 1 Picture 2 As picture 1 it is the defrost fuse As picture 2 using the multimeter measure two foots of fuse if the value of resistance is 0000 it means normal Checking the Heater If defrost system failure checking the heater and the temperature fuse as well as wires Measuring temperature fuse and heater resistance a...

Page 12: ...of Refrigerator The instruction of replacing the main board 1 The location of the electrical main board 2 Unscrew electrical box 2 screws 3 Remove the electrical box 4 Open the electrical appliances lifted the lid 5 Unplug the electrical wires ...

Page 13: ...oard The instruction of of replacing lamp and display board 1 The location of the lamp 2 With a screwdriver to pry open lamp shade card buckle 3 Remove the lamp cover 4 By hand unload display board 5 Remove the display board 6 Unplug the electrical wires ...

Page 14: ...lay board and led light The instruction of of replacing fan motor 1 The location of the fan motor and remove the freezer drawers 2 Unscrew two screws of the wind channel part in freezer chamber 3 Unplug the electrical wires and remove the fan motor part ...

Page 15: ...otor and take out the fan motor The instruction of replacing evaporator temperature sensor and temperature fuse and heater 1 Take out the defrost sensor 2 Take out the temperature fuse 3 Remove evaporator fixing screws 4 Take out the evaporator ...

Page 16: ... retaining tabs 6 Take out the water drain 7 Use pliers to pry open the heater fixed buckle 8 with a craft knife to cut the Heater cable fixing bolt 9 Take out the heater The instruction of replacing Door switch 1 Open the upper end cover 2 Take out the door switch ...

Page 17: ...cing PTC Starting relay and Overload protector 1 The location of the PTC Starting relay and Overload protector 2 Disconnect the connecting wire of the PTC Starting relay and Overload protector The instruction of replacing electric wind gate the electric wind gate of The location ...

Page 18: ...17 Reversing the door ...

Page 19: ...18 ...

Page 20: ...19 ...

Page 21: ...20 Water Dispenser ...

Page 22: ...21 ...

Page 23: ...3 Is the setting of the temperature appropriate 3 4 Is there too much food or overheating food in it 3 5 Does there open the door frequently 3 6 Is the door completely closed 3 7 Does the gasket destroyed or distort 3 8 Is the thermostat good operation 3 9 Does the gas leak Ice up in the freezing chamber 4 1 Is the setting of the temperature appropriate 4 2 Is there multi moisture food and too clo...

Page 24: ... hand feels very hot C much noise sounds like ZZZZZ comes from outlet of capillary d the temperature fell down very slowly First find out the point of leaking on tube and then sealed it vacuuming it finally recharge with Gas Note If you find oil on somewhere it is possible that leakage point is there 2 The quantity ofGas is too much If too muchGas was charged into the cycle system the extra gas wi...

Page 25: ...asons are below Reason analysis Solutions 1 Leakage of gas Phenomenon of failure a leaking fast b leaking slowly c no voice of liquid flowing d cut off charging tube no gas goes out First find out the point of leaking on tube and then sealed it vacuuming it finally recharge with gas Note If you find oil on somewhere it is possible that leakage point is there 2 There is some thing that blocked the ...

Page 26: ... ice blocking there is no change It must be offal blocking First stop unit for several minutes and then open charging tube discharge all of gas Blow the cycle system with gas of nitrogen Change a new capillary and filter and then recharge Gas finally sealed the system COMPRESSOR NEVER STOPS Reason Solutions 1 The setting temperature is not reasonable Readjust the temperature setting 2 the sensor i...

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