Haier Freezer HCM071AW Service Manual
Contents
1. Outside Protect the paint finish The finish on the outside of the freezer is a high quality baked o 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 cleaners 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 Issue 2011 01 28 Chapter 42. Lock SERVICE MANUAL Issue Model HCM071AW Rev Type of Hinge Metal hinge Interior Liner Baskets number and Material Defrost drain Interior light Super freezing lamp yellow Power light green Fast freeze switch External Condenser Textured Aluminum 1 metal MsO WwW S w m Unit dimensions H W D om 84 5 94 56 Netweigtt Sg SP Packing denis amp load ably i ee ee Packing dimensions H W D 89 99 5 59 5 Gross weight 45 2 2 External views g Control panel SERVICE MANUAL Chapter 3 Installation adjustments and maintenance 3 1 Installation 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 4s 51 mm X 102 mm under its entire length to assure adequate support i lf 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 fr
3. freeze gap or broken Repair the Enclosed bar Sincere forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com
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 a Top hinge cover Bottom hinge cover E 4 2 Compartment Grill assembly Unscrew the two screw of grill we can take away the grill SERVICE MANUAL Issue 2011 01 28 Model HCM071AW Ref1101S019V0 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 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 Issue 2011 01 28 Chapter 5 Control and display system 5 1 Control panel Freezing temperature selection is made by setting the control from Min to Max coldest lf we want colder or warmer temperatures adjust the control one step at a time Allow several hours after each one step adjustment fo
5. Haier SERVICE MANUAL Order No Ref1101S019V0 Chest Freezer MODEL HCM071AW 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 2011 HAIER ELECTRICAL APPLIANCES COR LTD All right reserved Unauthorized copying and distribution is a violation of law Haier Group SERVICE MANUAL Contents Tibled Cone nis eee a ie te ren 2 G n ral AIO ao a an ce rr re 3 1 1 General guideline PECLEECLL EEE CLEEC TEE CE TEE EEL 3 1 2 Insulation Test ssrrsrssrssssssssssssessunnnnnnunnunnunnuunnunnunuuuununnunuuunuuununnunuuunnunnunuunnnunnnnnunnn 3 1 3 How to read this Service Manual sssssssseeensssssssseseeeeeeeeeeeeeeeeeeeeeeeeemenennnnnnnnnnnee 4 2 Product Feature 2 nn em e a aeaaea 5 2 1 Specifications wee EEE EEE EEE EEE 5 2 2 External VIeWS mmmmmmmsssseseeeeeneeeeeeeeeeeeeeeeenenenennnnnnenenennnnneneeeeeeneenennennnnnnnnnnnnnnnnnee 6 3 Installation adjustments and maintenance 7 3 1 Installation rrrrrrrrrrrrrrerrerssessssnnnnnnnnunnn
6. ect 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 LL A reference guides to find additional information on a specific topic SERVICE MANUAL Chapter 2 Product Feature 2 1 Specification CHEST FREEZERS r Superfast freezing Adjustable thermostat to realize freezing and cooling High pressure and microbiological foam filled door for energy conservation convenient water drain External controls O CFC Comply with RoHS Commercial brand Haier Product description Chest Freezer Type of appliance FS free standing J FS Bl built in Climate class N 16 32 C ST 18 38 C j N T 18 43C Freezer star rate ee Gross capacity 203 Total net capacity 198 Defrostin reesei manus Kind of coolant R134a R600a R134a Foaming components R141b C P C P _ Voltage frequency Compressor brand input power curency w 7 o T Length ofcable inc plug em 15018 Lowest Temperature CSB __ Energy consumption EN153 per year Cooling system K Compressor K A Absorbtion Lid Shape straight edges Lid Colour white Cabinet Shape straight edges Cabinet Colour white Frame of the cabinet Colour white Fascia panel Handle w b g s white white Handle
7. eezer 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 pans 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 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 SERVICE MANUAL Issue 2011 01 28 Model HCMO71AW 3 3 Cleaning the Freezer Ref1101S019V0
8. in or 0 positions Move the control to a temperature setting Foods defrosting Freezer is unplugged Push the plug completely into the outlet The fuse is blown circuit breaker is tripped Replace fuse or reset the breaker SERVICE MANUAL Door lid left open a to see if package is holding door licg Too frequent or too long z door lid openings Lasalle control set too Freezer Lasalle temperature too 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 outside of Not unusual during periods of Wipe surface dr high humidity cabinet No power at outlet Replace fuse or reset the breaker Interior light does not work on some models Freezer is unplugged Push the plug completely into the outlet Light bulb burned out Replace bulb Door lid wont open itself Slow starting time after being Built in overload product off Check to see if oan nt AE ae Ree is holding door lid oan nt AE ae Ree Excessive frost Too frequent or too long build up door lid openings Not unusual during periods of high humidity See About the operation ofthe eezer About the See About the operation ofthe eezer of the freezer Door et open left Door teftopen SERVICE MANUAL Model HCM071AW Issue R e V 2011 01 28 Ref1101S019V0 8 2 Abnormal phenomena 8 2 1 Compressor doesn t start Com
9. l and compressor or an abnormal sound from the compressor in operation Take care not to damage the supply line Dont yank at the line pull the plug out gently from the receptacle Dont 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 Dont pull out or insert the plugs of the appliance 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 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 damage to the compressor caused by continuous restart SERVICE MANUAL Issue 2011 01 28 Model HCM071AW i Photo used in this manual The illustration and photos used in this Manual may not base on the final design of products which differ from the products in some way 1 3 How to read this Service Manual Rev Ref1101S019V0 Icons are used to attract the attention of the reader to specific information The meaning of each icon is described in the table below vor ED A note provides information that is not indispensable Caution MN A caution is used when there is danger that the reader through incorr
10. l 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 SS Se ef 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 60HZz Abig fluctuation of voltage may cause a start failure of the refrigerator a burn out of the control pane
11. pressor doesn tstart Y Whether lighting and display system is normal Y Whether the Trouble of lighting and display system grade of thermostat is Y on O N Whether the Adjust the grade according to fact Compressor is open circuit or short resistance of compressor is Y infinite or O Whether the circuit starting current is about 5A Whether PTC starter s resistance between running jack Inner trouble of compressor If it is infinite or O then the starter is and starting jack is 16 50 Q Measure whether out of work two ends of heat protector is through Whether the finge of multimeter swing to O quickly Heat protector is out of work and then swing back slowly when measuring two poles of capacitance compressor s pin is tight Capacitance is out of work contact is good Whether input Insert again electrify and test JoSSa1dW09 Meu e 10 ebueUyD Main control board is out of work and output voltage of main control board is norme Whether each contact of main control board is normal Tighten each contact and test machine again Compressor doesn t start some
12. r 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 D 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 TT Chapter 6 System flow principle 6 1 Refrigeration flow chart on N 2 12 2 Condenser m Lu K7 LA XY KO XY br HAVTANDRrATHY a IV aA pP OT EX US 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 2011 01 28 Chapter 7 Circuit diagram 7 1 Brief principle diagram HCMO71AW WH White BK Black GN Green RD Red XP Power Plug SAT Thermostat if F Motor Protector C Running Capacitor Hen Green lamp SERVICE MANUAL Model HCMOIAW Chapter 8 Trouble
13. shooting 8 1 Normal phenomena i E Possible Causes What To Do e e a Move the control to a temperature setting Freezer does not Min or 0 position mentite Power On Light is 072 S MP ugged Push the plug completely into the outlet not on i ircul QUE fuse es blown circutt Replace fuse or reset the breaker breaker is tripped 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 frequently ene OMC eet Nee 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 i eal EO non 261 106 See About the operation of the freezer too long Inadequate air circulation space around cabinet See Preparing to install the freezer 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 VOIS Cabinet is not positioned See Preparing to install the freezer Or use solidly on floor shims for uneven floor eee Door lid left open po to see if package is holding door lid temperature too warm Too frequent or too long door lid openings Temperature control OFF or M
14. times because the temperature in case is between starting and stop temperature should pay attention when do test SERVICE MANUAL Issue 2011 01 26 Ref1012S015V0 8 2 2 Poor cooling Poor cooling heck and adjust the circuitry Voltage between 187V 242V Open the switch of equalize low temperature temperature is under 160 Onduct user to use it properly Much too food or too dense tefrigeration norma cooling Freezer normal cooling Croom norma Its mechanical refrigerator change the tache of display to overhaul of thermostat IF the compressor starts when switch of fast freezer 1s open it s the complaint of thermostat 2 Adjust the thermostat properly 3 Temperature induction probe placed properly 4 Temperature induction loose or desquamate Unitary poor cooling cooling efrigeration norma cooling 1 Croom poor cooling Refrigeration poor cooling Display sectio for freezer appear FA orF3 aintain technics 0 sensor Enclosed bar of refrigeration broken Repair the Enclosed bar enclosed bar of freezer gap or broken 7 Croom normal cooling Repair the Enclosed bar Freezer poor cooling aintain technics 0 sensor Display section for reezer appear F4 eficlosed bar of
15. unnunnunnnunnunnunnunununnunuunnnunnunuunuunununnunnunnnunnunnnnnn 7 3 2 Defrosting and draining ce EEE EEE EEE 7 3 3 Cleaning the freezer cert t tert EEE EELELEELELELEEEEEECECEEEEEEEEEEEEEEEEEEEEEEEEERERERECCEEEECEEERES 8 A Disassembly a ne cer a ee aane 9 4 1 Door assembly Door hinge hinge cover cee EEE EEE 9 4 2 Compartment Grill assembly EET T PTT etree tte ete eee 9 4 3 Control panel assembly Panel cover board knob indicator light 10 4 4 Thermostat assembly cee EE EEE EEE EEE EES 10 5 Control and display System 11 5 1 Control and display panel ETE Petr TTT TTT tree Tiree ttt 11 5 2 Starting the Fre Ze ELELCECECEEEEEEE EEE EEE EEE EEE EEEEEEEEEEEEEEEEEEEECEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEERECERERE 11 6 Syst m TOW DHINCIDIG H dei akisani 12 6 1 Refrigeration 11 Te YVA AY gt A Gee errr ee 12 6 2 Refrigeration flow scenograph wee EEE EE EEE EERE 12 F Circuit Alea FAN ese rts ceca ee ee nn 13 7 1 Brief principle diagram CEECELELEEE CET E LEE CETTE EEE eee eee tee eee eee ree eee eee eee 13 8 elt ee a ece 1 eee ree eee ee eee 14 8 1 Normal phenomena eer ree eee CC LEECECTE EEE CET eee tree eee ree etree etree ee eee eee ee eee 14 8 2 Abnormal phenomena eee eC Tee Te CeCe Tee ee ee Ce ree Te rer re er Ce re re 16 SERVICE MANUAL Issue 2011 01 28 Chapter 1 General Information 1 1 General Guidelines When servicing observe the original lead dress If a short circuit is found replace al
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