SERVICE MANUAL
Contents
1. Compressor 2 Check and repair the cabinet or 2 The door gasket does not seal enough or i starts too nn the door gasket check if the the cabinet heat insulation is not good frequently door gasket flashed and repair 3 The setting of the thermostat knob is too it i low 3 Set the knob of the thermostat to the suitable position 1 Check and find the leakage f P point let out the refrigerant 1 The refrigerant leakage or insufficient then meld it and vacuumed and 2 The refrigerant is superfluous Compressor EN fill the refrigerant again 3 The condenser is dirty runs without Let out the suitable refrigerant 4 The refrigerator insulation layer is stopping f Make sure the condense clean destroyed and the door gasket sealing the door gasket check if the is bad door gasket flashed and repair it SERVICE MANUAL Issue 2014 8 1 Rev Ref1407S026V0 f f 1 Make the refrigerator stable 1 The fridge body is not stable and in level 2 Move the tube and avoid the 2 When the compressor is running there is N There is noise fs friction the distance between friction in tube and fridge that lead to i when the tube and tube and side of syntony ne ali compressor cabinet is more than 1cm 3 Compressor fixed screw is too loose running 3 Fasten the screw 4 The damping washer fixed too tight or 4 Adjust the fixed angle or loose or ageing i2. Std a aaa a a RE i c a 10 5 1 Brief principle diagramme 10 Ghapter 6 Trouble shooting wii sect ceea cota ar c a ca ao enti eaten ta a e Da i 11 6 1 Compressor parameter inner 11 6 2 Normal phenOMe na ER EO OR OE OE fat een teen dati fonte al 12 0 3 ING EOOlING EE EE enue uita Co ei nee rene cee ac i et ete eed 14 6 4 Refrigerator compressor NO start 15 Issue 2014 8 1 SE RVICE MAN UAL Rev Ref1407S026V0 Chapter 1 General Information 1 1 General Guidelines When servicing observe the original lead dress If a short circuit is found replace all parts which have been overheated or damaged by the short circuit After servicing see to it that all the protective devices such as insulation barriers insulation papers shields are properly installed After servicing make the following leakage current checks to prevent the customer from being exposed to shock hazards 1 Leakage Current Cold Check 2 Leakage Current Hot Check 3 Prevention of Electro Static Discharge ESD to Electrostatic Sensitive 1 2 Insurance Test 1 Check if there is any leak of current 2 Cut out the power supply before the repair to avoid an electrical shock hazard 3 Inthe case of a live line test insulating gloves should be worn to avoid potential electrical 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 posi
3. change the damping washer 1 Check and find the leakage point let out the refrigerant then meld it i and vacuumed and fill the There is no 1 The refrigerant leakage Ms f refrigerant again frost on 2 There is ice block or dirty block in the i 2 Clean the system with blowing evaporator capillary or the system nitrogen change the capillary and vacuum and fill the refrigerant again 1 Change the thermostat the method as up saying 2 Repair the door gasket Use the electric blower to move 3 5 times come and go along with the direction of door gasket make the door gasket and cabinet fit well 1 The knob of thermostat is setted too Noting The distance between the high blower air out and the door gasket No frosting 2 The door gasket flashed and lead to the is more than 20cm Do not touch cold air out of the fridge the door gasket with our hand And when blowing the door gasket pat the door slightly with our hand Issue 2014 8 1 SE RVICE MAN UAL Rev Ref1407S026V0 6 3 No cooling No cooling Whether the refrigerator can start Test according to the process of the refrigerator can not start Whether the temperature of fresh food compartment do not descend and after a little Exchange the thermostat minute it will stop running Check whether the working current of compressor is higher than 120 of If the noise of compressor is loud normal operating current Check
4. damage to the compressor caused by continuous restart i 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 to specific information The meaning of each icon is described in the table below Note A A note provides information that is not indispensable Caution AN A caution is used when there is danger that the reader through incorrect manipulation may damage equipment loose data get an unexpected result or has to restart part of a procedure Warning N A warning is used when there is danger of personal injury Reference ER A reference guides to find additional information on a specific topic SERVICE MANUAL Chapter 2Product Feature 2 1 SPECIFICATIONS R 2014 8 1 ef1407S026V0 1 Model HC17SG42RB HC27SG42RB Product description Refrigerator Refrigerator 2 Key features Total net capacity L 52 76 Defrosting H manual A automatic H H Kind of coolant R600A 20g R600A 22g 3 Technical data Voltage frequency V Hz 115V 60Hz 115V 60Hz Temperature range C 2 5 2 5 Input power W 85 85 4 Product net dimensions Unit dimensions H W D mm 505 X 495 X 465 685 X 495 X 465 Net weight kg 15 5 18 Packing
5. Haier SERVICE MANUAL Order NO Ref1407S026V0 Refrigerator MODEL HC17SG42RB HC27SG42RB WARNING This service information is designed for experienced 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 information by anyone else could result in serious injury or death 2014 HAIER ELECTRICAL APPLIANCES COR LTD All right reserved Unauthorized copying and distribution is a violation of law Haier Group SERVICE MANUAL Model HC17SG42RB HC27SG42RB Contents Chapter 1 General Information sise 3 2 1 1 General Guidelines EO EE EE a 3 les Insurati e MOS ieee A RD De D ou 3 1 3 How to read this Service Manual sise 4 Chapter 2Product Feature n ui cea aaa aaa ca aim nn net dan ar a dama a i aa bed 5 DL I MIGE sist casio DE An cas nu 5 2 2 External VIEWS vine o M a da ati ee a Cd Rai nat Caress N atatia bal 6 Chapter 3 Disassembly RE tra a i ti a a a ga ne Bo a ia a EE le 7 3 1 Thermostat disassembly sise 7 Chapter 4 System flow principle issues 9 4 1 Refrigeration flow chart sise 9 Chapter 5 Circuit el el Ui N acea ta a te
6. d shock damper glue SERVICE MANUAL Sincere forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com
7. dimensions H W D mm 492 X 479 x 454 664 x 479 x 454 Gross weight kg 17 20 5 Service User instruction languages English English 2014 8 1 Ref1407S026V0 Model HC17SG42RB HC27SG42RB SERVICE MANUAL 2 2 External views HC17SG42RB Thermostat Ice tray Freezer compartment Bottle rack Shelf Water tray HC27SG42RB 1 Freezer compartment Wire ba Water tray Thermostat shelf SERVICE MANUAL Chapter 3 Disassembly 3 1 Thermostat disassembly First take down the thermostat knob 2 Unscrew the screw like the picture 3 Take down the wire groove Rotate the thermostat axes 4 counter clockwise and take down the thermostat SERVICE MANUAL Model HC17SG42RB HC27SG42RB Disconnect the thermostat terminal 5 according to the order of the picture And then remove the thermostat 6 Install the thermostat according to the reverse order SERVICE MANUAL Chapter 4 System flow principle 4 1 Refrigeration flow chart S 1 Compressor 2Condenser 3Filter drier 4Capillary tube 5Evaporator SERVICE MANUAL Chapter 5 Circuit diagram 5 1 Brief principle diagram HC17SG42RB A POWER PLUG B THERMOSTAT C OVERLOAD PROTECTOR D COMPRESSOR E PTC HC27SG42RB A POWER PLUG B THERMOSTAT C OVERLOAD PROTECTOR D COMPRESSOR E PTC SERVICE MANUAL Chapter 6 Trouble shoo
8. imeter Ohm grade Not through means protector is Check if the overload defective Compressor protector is normal 2 Measure running current of compressor using clamp type NOT NORMAL accessories tester If overload protector act when current is normal means failure protector failure and should be replaced Check if each connector of PTC ss Check each connectors of the PTC starter and overload starter overload protector is in protector ensure each contact is in good condition then NOT NORMAL good condition Compressor power on and retest the machine accessories failure SERVICE MANUAL Model HC17SG42RB HC27SG42RB Check normal if the compressor is Check if the starting current of compressor excess too much Issue 2014 8 1 Rev Test the resistance parameter of the compressor if it is ZERO inner winding is short circuit If it is infinite inner winding is break circuit If all technical parameter of compressor and PTC protector run capacitor are normal after above test compressor accessories starter overload but compressor still can not be started and overload protector action the actual starting current excess too much This phenomenon usually caused by compressor inner mechanical failure cylinder block or axis hung problem Ref1407S026V0 SERVICE MANUAL 6 5 Noisy Whether has XPS exterior Adjust appliance and influence facto
9. r NO YES Whether the sound is normal Explain to user NO Noise tvpe Compressor noise explain to user Is there collision between YES Adjust to more distance than compressor pipe compressor support bracket drain pipes 5mm NO Whether the fixing clips or bolts are loose compressor YES Adjust and fix bolts or fixing clip NO Whether the damper block of ygs Replace rubber compressor is disabled or no damper cushion flexibility NO NO Whether terminal box is Adjust and fix fixed tightly YES Compressor self noise Issue 2014 8 1 Rev Ref1407S026V0 Exterior factor and solution measure 1 The adjustable foot is not level Explained the ground is uneven user can use spanner adjust refrigerator food locates horizontal position the refrigerator in the 2 The refrigerator and other goods bump or near to the wall The user may move the goods which bumps or adjust the distance between refrigerator and wall 10 20cm Cooling system noise Relay sound Wind blow sound Refrigerant eruption Compressor sound starter noise Whether the pipeline The rumble capillary does sound big tube is not Replace resonate smooth or starter has burr Is the freezing evaporator is fixed tightly Add shock damper glue or fix the evaporator tightly Refilling Adjust pipeline or ad
10. ting 6 1 Compressor parameter Part Name Check Method and Criterion Ambient temperature Room temperature 25 C Model Main wiring Auxiliary wiring Compressor L35C5L 11 10 9 7 75 10 9 Model QP2 4 7 Starter Current max 10A Voltage max 180 V Model BT48 125A61D2 Overload protector Open 125250 temperature l es 61 9 C temperature SERVICE MANUAL 6 2 Normal phenomena Issue 2014 8 1 Rev Ref1407S026V0 Problems Reasons Solving methods 1 Cable broken The contact of plug socket and cable is broken 2 The voltage is too low and lower than the rated voltage115V 1 Check and contact normally or 3 The knob of the thermostat is at 0 else change damaged part position When ambient temperature is 2 Use until the voltage rise to the Compressor higher than 30 degree centigrade set the rated voltage or attach the voltage can no e sata knob to 1 2 position When ambient stabilizer starte temperature is between 16 30 degree 3 Set the knob of the thermostat to centigrade set the knob to the 3 4 the suitable position position and when it lower than 16 4 Change the thermostat degree centigrade set the knob to the 4 5 position 4 The thermostat is out of order 1 Adjust the overload adjustable screw and increase their 1 The distance between protection and the distance heater is too close f
11. tion 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 can be avoided 8 If there is a breakdown with the refrigeration system please surrender the machine to the service center else the leaked refrigerant may pollute the atmosphere 9 The refrigerator use AC of 115V with a frequency of 60Hz 10 Abig fluctuation of voltage may cause a start failure of the refrigerator a burn out of the control panel and compressor or an abnormal sound from the compressor in operation 11 Take care not to damage the supply line Don t yank at the line pull the plug out gently from the Issue 2014 8 1 SE RVICE MAN UAL Rev Ref1407S026V0 receptacle Don t press the line under the cabinet or step on it Take care not to roll on or damage the supply line when moves the machine from the wall 12 In the case of leakage of inflammable gases like carbon monoxide open the door and windows Don t pull out or insert the plugs of the appliance 13 Don t touch the refrigeration surface of the freezing compartment when the refrigerator is in operation especially when our hand is wet else we may be glued to the surface 14 Pull out the plug of power supply during clearance or power outage Wait at least five minutes to resume the power supply in order to prevent
12. whether the working current of compressor is lower than 80 of normal If compressor can run naturally and temperature operating current raising of condenser is very low Cooling system or drier filter is blocked The working sound of compressor is small To evacuate and pour the cooling system and recharge refrigerant again If the temperature raising of condenser and Refrigerant leak check and drier filter is very low repair charge refrigerant again Both high pressure pipe and low pressure pipe temperature are same as the ambient temperature Compressor defect and change it 2014 8 1 SERVICE MANUAL ENE ET Model HC17SG42RB HC27SG42RB 6 4 Refrigerator compressor no start Compressor no working Check if the home power Connect the power is conduct Check if thermostat is set Adjust thermostat setting position at 0 Test if the thermostat is normal under power on status Check if the thermostat is Method 1 Setting thermostat to coldest position 7 grade observe if the machine can be normal started If compressor still not start it means that the thermostat maybe failure Test if resistance of PTC starter if it is ZERO or INFINITE means the starter is out of Check if the PTC starter is normal work For PTC starter when shake it it should not have noise if it has means the starter Magnetic Disk burned 1 Measure whether two ends of overload protector is through using mult
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