Haier Freezer HF50CW10W Service Manual
Contents
1. cy AN p ANANA ANSAT lt L LON el m a W LL XY Kar er i Eo H vaporator Cs J CA KZ VY CA L wv The refrigeration system of direct cooling single system cooler belongs to the category of a single temperature and single control refrigerating system with one evaporators and is controlled by a single temperature control 6 2 Refrigeration flow scenograph SERVICE MANUAL Chapter 7 Circuit diagram 7 1 Brief principle diagram HF50CW10W WH White BK Black GN Green XP Power Plug SAT Thermostat F Motor Protector M Compressor RT Starting Relay C Running Capacitor LISTED 15JJ M Made in China SERVICE MANUAL Model HF50CW10W Rev Ref1401S002V0 Chapter 8 Trouble shooting Issue 2014 1 24 8 1 Normal phenomena Possible Causes Meee Temperature control in OFF or Move the control to a temperature setting Freezer does not Minor 0 position operate rk Freezer is unplugged is Freezer is unplugged Push the plug completely into the outlet the Push the plug completely into the outlet completely into the outlet Power On Light is heken ne ee DIOMINICIFSUIE Replace fuse or reset the breaker breaker is tinned Door lid left open Check to see if package is holding door lid open Freezer Too frequent or too long to starts stops too door lid openings f2. ERVICE MANUAL Order No Ref1401S002V0 Chest Freezer MODEL HF50CW10W Ne a J F NWARNING 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 OAI right reserved Unauthorized copying and distribution is a violation of law Haier Group SERVICE MANUAL D PP Contents Chapter 1 General Information deo fe 219 1 2 Cle 0 21 qs io a ne a 0 eee mee 3 eZ WA SUIANOM NOSE a ae ne ao 3 1 3 How to read this Service Manual sise 4 Chapter 2 Product Feature ccccccecccecessececeeeeeeseeeneteeeeaeeeeeeeeceecsueeeeeseeeneessetseetaesegetseeteeenegeeesereeenes 5 2 DECO TOR E A a E 5 ZZ 4121 1 LA VI ON Sei e EE AEE EEE E E E 6 Chapter 3 Installation adjustments and maintenance ccecceeeeeeceeeeeeeeeeeeeeeceeeseeeeseeeseteeeeeeseeeaeeees T FMS TON oe E E E eo es T 9 2 Defrostng and RAINING gs ree ren EE a E EEEREN Ea T 3 3 Cleaning the Freezer c cccccccccsccceeeceeceeeeeseeeceee
3. Take away the knob with a sharp edged tool Press the cover board and take it away Press two claws on indicator light side and push it from back to front 4 4 Thermostat assembly First take off the knob refer 4 3 Use turnbuckle spanner or acutilingual plier unscrew the turnbuckle and then thermostat can be moved from back of panel Note When assembly thermostat we should placed thermostat in originally direction SERVICE MANUAL ay POP a Chapter 5 Control and display system 5 1 Control panel Freezing temperature selection is made by setting the control from 1to 7 coldest If we want colder or warmer temperatures adjust the control one step at a time Allow several hours after each one step adjustment for the freezer temperature to stabilize 5 2 Starting the Freezer 1 Clean the inside of the freezer with a mild solution of baking soda and water 2 Connect cord to power outlet 3 On models with a Temperature Monitor or High Temp Alarm Switch set the switch to the Min position 4 Make sure the temperature control is set at 4 5 Allow freezer to operate for at least four hours before placing food inside 6 On models with a Temperature Monitor or High Temp Alarm Switch set the switch to the ON position SERVICE MANUAL ay POP a Chapter 6 System flow principle 6 1 Refrigeration flow chart
4. 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 compressor excess too much SERVICE MANUAL Rev Rertaots00ave 8 2 3 Noisy Issue 2014 1 24 Exterior factor and solution measure i 1 The adjustable foot is not level Explained the ground is uneven user can use spanner adjust refrigerator food locates the freezer in the horizontal position 2 The freezer and other goods bump or near to the wall The user may move the goods which bumps or adjust the distance between freezer and wall 10 20cm Whether has exterior influence factor NO YES Whether the sound is normal Explain to user NO YES Adjust appliance and explain to user Cooling system noise Relay sound Compressor noise Wind blow Refrigerant sound Rumble eruption sound sonnd Compressor starter noise Is there collision between compressor pipe compressor support bracket drain pipes Adjust distance Whether the YES Thecapillary to more than pipeline 5mm does Is the resonate rumble sound big tube is not smooth or has burr Replace starter Whether the compressor fixing clips or bolts are loose Adjust and fix bolts ne Is the freezing Add shock damper glue or fixing clip evaporator is or fix the evaporator fixed tightly tightly Whe
5. csecesaeeseueesaeeseeeseeessueesaeesauessueesaeesaeeseeeessueeseeesaaes 8 Chapter 4 DIS ecto 8 eee ne ee da ee a de 9 4 1 Door assembly Door hinge hinge cover LR 9 4 2 Compartment Grill assembly iii eeneeeneeneennne 9 4 3 Control panel assembly Panel cover board knob indicator light 9 4 4 Thermostat assembly ses ses caca AO AEAEE a aaa aaa 10 Chapter 5 Control and display system VV 11 SANS o pire Mos i PE AA case ea ae E aa en ae re en eine er une 11 9 2 Starting the FTeCZ P ed ondstad asc mes EErEE REE een hes cie ieesseemeen res 11 Chapter 6 System flow principle cece cccccsececececeeeceeeeceeseeeeaeesececeeessueeseesuesegessueesaeeseeesenseesaeeses 12 6 1 Refrigeration TOW GIA sare cee sets nd see ee ce dec eee de nee 12 6 2 Refrigeration flow scenograph sccge te sdccs sche recdsarncaiebadcechautdatedantie cebytesdageadeeeeadsanmecisbadcesiautdieedtnaadetee 12 Chapter 7 Circuit dATrAM 1 28 a essence soc tetes resonance tete sine 13 7 1 Brief principle GIA ONAN esusen renren nta saat sacs casse canon ones tn eneenet Date es creme ionps esta 13 Chapter 8 Trouble shooting 2 nsnreamuens en nan een same ere nee eme 14 86 1 Normal phenomena a aa en me nn 14 8 2 Abnormal DNENOMEN A sciisicssisntiinsvnnnnasssbnoednwxanasiewndnuevavanss sess ntuvieavdentisnsdlnglQinnssnensispnlseniseunandveslvalenatiivaiaanned 16 SERVICE MANUAL Sarat Chapter 1 General Information 1 1 General Guidelines W
6. ensable 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 A warning is used when there is danger of personal injury Reference LL A reference guides to find additional information on a specific topic SERVICE MANUAL rue 201424 Chapter 2 Product Feature 2 1 Specification ES Commercial brand Haier Product description Chest Freezer Type of appliance FS free standing BI built in FS Climate class N 16 32 C ST 18 38 C T 18 43 C N Gross capacity 146 Total net capacity 142 Defrosting Manual Automatic Manual Kind of coolant R134a R600a R134a Foaming components R141b C P C P a ease ae CS i Input power currency O wW 1 69A Length of cable incl plug 150 155 __ Lowest Temperature OS RE ECS er ne EN153 per year ee ON h year Lid Shape Straight edges Lid Coulour white Cabinet Shape Straight edges Cabinet Coulour white Frame of the cabinet Coulour white Fascia panel Handle w b g s white white es RU Unit dimensions H W D 84 5 72 56 ae dimensions H W D cm a Gross weight kg 36 SERVICE MANCA Mosat Hrsocwow 2 2 External views Door SERVICE MANUAL Chapter 3 Installation adjustments and maintenance 3 1 Instal
7. er is blocked To evacuate and pour the cooling system and recharge refrigerant again If the temperature raising of condenser Refrigerant leak check and 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 SERVICE MANUAL Rev Ref1401S002V0 Issue 2014 1 24 8 2 2 Compressor no start Compressor no start Check if the home power is connecter Connect the power Adjust thermostat setting position Ambient temperature gt 25C 1 3 Grade Check if thermostat is set at 0 Ambient temperature lt 25C 4 7 Grade NO Test if the thermostat is normal under power on status Check at the emo ie nomial _ Setting thermostat to coldest position 7 grade observe if the machine can be started If compressor still not start it means that the thermostat maybe failure Test if resistance of PTC starter is 15Q If so it means it is normal and if Check if the starter is normal it is ZERO or INFINITE means the starter is out of 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 multimeter Ohm grade Not thorough means protector is Compressor defective accessories Check if the overload protector is 2 Measure starting current and running c
8. fluctuation of voltage exceed the range 102 132V 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 Take care not to damage the supply line Don t yank at the line pull the plug out gently from the 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 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 SERVICE MANUAL D EP Model HF50CW10W 13 Don t touch the refrigeration surface of the freezing compartment when the refrigerator is in operation Ref1401S002V0 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 minute resume the power supply in order to prevent 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 Icons are used to attract the attention of the reader to specific information The meaning of each icon is described in the table below voe ED A note provides information that is not indisp
9. hen 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 Insulation Test oF a a a 11 12 Check if there is any leak of current Cut out the power supply before the repair to avoid an electrical shock hazard In the case of a live line test insulating gloves should be worn to avoid potential electrical shock Confirm the rated current voltage and capacity before testing with any kinds of instruments Watch if the upper door is open when we check something at a lower position Take out every part in the cabinet before moving the machine especially things like panels e g glass shelf Please wear intact cotton gloves when repair any parts of the evaporator so that scratches by the sharp fins can be avoided 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 The refrigerator use AC of 115V with a frequency of 60HZ big
10. lation The freezer should be conveniently located for day to day use in a dry well ventilated room Do not install the freezer where the temperature will go below 0 F or above 110 F because it will not maintain proper temperatures Be sure to install the freezer on a floor strong enough to support it when it is fully loaded The freezer must be solidly positioned on the floor if it is to function at its best Shims may be used to accomplish this wherever the floor is too uneven If the place selected for the freezer is damp or moist place 2 X 4 s 51 mm X 102 mm under its entire length to assure adequate support i If the freezer has been inclined more then 45 position we need wait 24 hours before restarting the freezer 3 2 Defrosting and Draining In most climates defrosting will be necessary only about twice a year To have the freezer operate most efficiently do not permit more than 1 2 13 mm of frost to accumulate on the shelves To remove frost scrape with a plastic or wood spatula or scraper Do not use an ice pick or sharp edged instrument as it may damage or scratch the freezer Do not use any electrical device in defrosting the freezer For Complete Defrosting 1 Turn the temperature control to the OFF position and unplug the freezer 2 Remove all food and place it in corrugated boxes insulated bags picnic coolers etc Use towels and newspapers for insulation as needed 3 With the door lid open use pan
11. ners containing bleach Inside Clean the inside of the freezer at least once a year We recommend that the freezer be unplugged before cleaning If this is not practical wring excess moisture out of sponge or cloth when cleaning in the vicinity of switches lights or controls Use warm water and baking soda solution about a tablespoon of baking soda to a quart of water Rinse thoroughly with water and wipe dry Do not use cleaning powders or other abrasive cleaners An open box of baking soda in the freezer will absorb stale freezer odors Change the box ever y three months Care should be taken in moving the freezer away from the wall All types of floor coverings can be damaged particularly cushioned coverings and those with embossed surfaces SERVICE MANUAL an rover D Model HFsocwiow Chapter 4 Disassembly 4 1 Door assembly Door hinge hinge cover Unscrew the hinge cover screw with screwdriver take away the top and bottom cover by pull it and then unscrew the screws on the hinge so the whole hinge could be moved Bottom hinge cover 4 2 Compartment Grill assembly UENSCHEW Ine TWO Screw ot gru We Call take away Me gmi aoe 4 3 Control panel assembly Panel cover board knob indicator light Unscrew the compartment grill refer 4 2 push the panel claw gently with our finger or tools at the same time pull panel outside then take away it SERVICE MANUAL Model HF50CW10W Ref1401S002V0
12. o Fast Freeze switch is in the cold ON position or has run for too About the operation of the freezer long on some models Moisture forms on Not unusual during periods of ice sudsce ar outside of cabinet high humidity P No power at outlet Replace fuse or reset the breaker Interior light does EOL Wels NON ESS Freezer is unplugged Push the plug completely into the outlet models Light bulb burned out Replace bulb Door lid wont fully Package holding door lid close by itself open Slow starting time ant Doorilid left open Check to see if package is holding door lid open Excessive frost Too frequent or too long build up door lid openings Not unusual during periods of high humidity Ref1401S002V0 Replace fuse or reset the breaker SERVICE MANUAL Issue 2014 1 24 Rev Ref1401S002V0 Model HF50CW10W 8 2 Abnormal phenomena 8 2 1 No cooling Test according to the process of the Whether the freezer can start Whether the temperature knob on off Exchange the thermostat position Check whether the working current of YES If the noise of compressor is loud compressor is higher than 120 of normal operating current YES If compressor can run naturally and temperature Check whether the working current of raising of condenser is very low compressor is lower than 80 of normal operating current YES The working sound of compressor 1s small Cooling system or drier filt
13. requently et aa COMO Ser 100 See About the operation of the freezer Door lid left open Check to see if package is holding door lid open Too frequent or too long door lid openings Freezer operates ca CONOR SELGE See About the operation of the freezer too long oa UE NON See Preparing to install the freezer space around nn Fast Freeze switch is in the ON position on some See About the operation of the freezer models Floor may be weak causing Placing 2 X 4s 51 mm X 102 mm under the freezer to vibrate when length of the freezer will help support it and compressor is on may reduce vibration Noisy operation or cabinet vibrates Cabinet is not positioned See Preparing to install the freezer Or use solidly on floor shims for uneven floor En Doorilid left open a to see if package is holding door lid temperature too warm Too frequent or too long door lid openings EPS adie ne re Move the control to a temperature settin Foods defrosting Min or 0 positions P J Freezer is unplugged Push the plug completely into the outlet SERVICE MANUAL Model HF50CW10W The fuse is blown circuit breaker is tripped Check to see if package is holding door lic D O or li d eft op en EEE open Too frequent or too long door lid openings EPA HEODITO Et 9 See About ine operation ofthe freezer See About the See About the operation ofthe freezer of the freezer Freezer cold temperature to
14. s of hot water to speed loosening of frost Remove large pieces before they melt Chest models have a defrost water drain at the front 4 Sponge excess water from the bottom of the freezer as it collects to prevent over flowing 5 After defrosting clean the inside of the freezer 6 Replace the drain plug inside the cabinet and the cap on the defrost drain Fold over and dry the gasket on the hinge side of the lid 7 Plug in the freezer Return the temperature control to its previous position and return food to the SERVICE MANUAL D PP freezer i Water may drip from the back flange of the lid cover during defrosting This is normal Ice builds up in the lid insulation when the lid is open for adding or removing food and melts during the defrosting operation 3 3 Cleaning the Freezer Outside Protect the paint finish The finish on the outside of the freezer is a high quality baked on paint finish With proper care it will stay new looking and rust free for years Apply a coat of appliance polish wax when the freezer is new and then at least twice a year Appliance polish wax also works well to remove tape residue from freezer surfaces Keep the finish clean Wipe with a clean cloth lightly dampened with appliance polish wax or mild liquid dishwashing detergent Dry and polish with a clean soft cloth Do not wipe the freezer with a soiled dishwashing cloth or wet towel Do not use scouring pads powdered cleaners bleach or clea
15. ther the damper block of compressor is disabled or no flexibility Replace rubber damper cushion Refilling Whether terminal box is fixed tightly Adjust and fix Compressor self noise Adjust pipeline or add shock damper glue Sincere forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com
16. urrent of compressor failure using clamp type tester If overload protector act when current is normal normal means protector failure and should be replaced YES Before measurement remove the capacitor from circuit firstly and then connect two terminals for discharge 1 IF the finger of multimeter swings to O quickly and then NOT swings NORMA back slowly when measuring two poles of capacitor it means the Check if the run capacitor is Compressor accessories failure normal ae run capacitor is normal 2 Ifthe finger of multimeter does not swing it means the run capacitor is open circuit If the finger of mlimeter swings to 0 and YES stops means it is short circuit if it stops on any other position it means the capacitor leakage Check if each connector of starter overload protector run capacitor Check each connectors of the starter overload protector and Compressor run capacitor ensure each contact is in good condition then accessories are in good condition power on and retest the machine failure YES Test the resistance parameter of the compressor if it is Check if the compressor is normal ZERO inner winding is short circuit 1f it is infinite inner winding is break circuit YES If all technical parameter of compressor and compressor accessories starter overload protector run capacitor are normal after above test but compressor Check if the starting current of still
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