SERVICE MANUAL
Contents
1. Y 10SS91dW09 JO w contact is good Whether input and output voltage of main circuit gt Inner trouble of compressor gt If it is infinite or 0 then the starter is out of work gt Heat protector is out of work gt Capacitance is out of work gt Insert again electrify and test gt Main control board is out of work ontrol board is norma Whether each contact of main control board is normal Tighten each contact and test machine again Compressor doesn t start sometimes because the temperature in case is between starting and stop temperature should pay attention when do test Adjustment of thermostat Temperature of environment gt 30 C 1 3 grade 16 30 C 3 5grade lt 16C 5 7grad 8 2 2 Poor cooling Display section for so reezer appear F5 7 Croom poor cooling Poor cooling Check and adjust the circuitry Voltage between 187V 242V Open the switch of equalize low temperature temperature is under 16 onduct user to use it properly Much too food or too dense tefrigeration norma cooling Freezer normal cooling 7 Croom norma It mechanical refrigerator change the tache of display grate of thermostat to overhaul of thermostat2. 12 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 13 Don t touch the refrigeration surface of the freezing compartment when the refrigerator is in operation especially when your hand is wet else you 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 damage to the compressor caused by continuous restart 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 your products in some way 1 3 How to read this Service Manual 1 3 1 Using Icons The meaning of each icon is described in the table below voe ED A note provides information that is not indispensable Caution AN A caution is used when there is danger that through incorrect manipulation may damage equipment loose data get an unexpected result or has to restart part of a procedure Warning warning is used when there is danger of personal injury Reference LL A reference guides us to other places in this binder or in this manual where we will find additional information on a specific topic SERVICE MANUAL Chapter 2 Product Feature 2 1 SPECIFICATIONS Haier Chest Freezer Commerc
3. alef SERVICE MANUAL Order No Ref0912S016V0 Chest Freezer MODEL BD 143GAA AN 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 2009 HAIER ELECTRICAL APPLIANCES COR LTD All right reserved Unauthorized copying and distribution is a violation of law SERVICE MANUAL gt Model BD 143GAA Ref0912S016V0 Contents OPC OOM a 2 i General A ee een eu 4 1 1 General guideline 4 I Pa 4 1 4 read this Service ee 5 2 Product u sa ee en 6 2 1 Specificationg sss 6 Evo Iy E E 8 3 Installation adjustments and maintenance 9 3 1 Unpacking emmener 9 3 2 Adjusting sense 9 3 3 Electrical Requirement ressens 9 3 4 Operating 10 3 5 Cleaning mme 10 4 Disassemb ya sa nt needs tete 11 4 1 Door assembly Door hinge hinge cover 11 4 2 Compartment Grill assembly 11 4 3 Control panel as
4. is tilted let it stand in an upright position for at least 24 hours prior to plugging This is to allow the refrigerant to settle 5 Proper Air Circulation To assure the freezer works at the maximum efficiency it was designed for you should install it in a location where there is proper air circulation Plumbing and electrical connections The following are recommended clearances around the freezer Sides 2 50mm 2 50mm Back 2 50 A not over fill freezer for proper internal air circulation 3 3 Electrical Requirement Make sure there is a suitable power Outlet with proper grounding to power the freezer Avoid the use of cutting off the third grounding this is a dangerous practice since it provides no effective grounding for the freezer and may result in shock hazard SERVICE MANUAL x Issue 2009 12 17 Model BD 143GAA Rev Ref0912S016V0 3 4 Defrost Defrosting and Draining the Freezer 1 Defrost whenever the frost becomes 5MM thick Never use a sharp or metallic instrument to remove the frost as it may damage the cooling coils A punctured coil will void the warranty 2 Unplug the unit For draining place a tray beneath the outer drain plug Pull out the drain dial and rotate it so that the arrow points down ward This will let the water flow out into the tray 3 Remove the drain plug from the inside of the freezer Defrosting usually takes a few hou
5. require between Min slight cooling and max Lowest temperature lf the appliance is equipped with indicator lights the following guide explains what is meant by each light up Green CONTROL The appliance is under current and operating The green control light must always be on when the appliance is connected to the mains and switched on It is very important to pay attention to this because in the event of a power failure the red and yellow lights stop operating and do no longer provide a warning Red ALARM Interior temperature too high If the red indicator light goes on there may be several reasons for this namely W First start up of appliance Restart after defrosting E Filling freezer with fresh food In these cases it is normal that the red indicator light goes on It goes off automatically when the interior temperature reaches approximately 15 C SERVICE MANUAL Issue 2009 12 17 Model BD 143GAA Rev Ref0912S016V0 Switch on the SUPER FREEZE SWITCH if equipped with switch off again not more than 24 hours later or when the red light has gone off Reopen the appliance if possible only after the red light has gone off lf the red control light nevertheless stays on after 12 to 24 hours there may be serious problems Consult the Troubleshooting guide what is when chapter at the end of this operating manual Yellow SUPER FREEZE SWITCH When the super freezer switch is on and the the
6. underthe freezer to vibrate when length of the freezer will help support it and Noisy operation or compressor is on may reduce vibration cabinet vibrates Cabinet is not positioned See Preparing to install the freezer Or use solidly on floor shims for uneven floor Freezer Door lid left open Check to see if package is holding door lid temperature too open warm Too frequent or too long Reduce the time of opening the door lid door lid openings Temperature control OFF or Move the control to a temperature setting Foods defrosting Min or 0 positions SERVICE MANUAL Issue 2009 12 17 Rev Ref0912S016V0 Model BD 143GAA Freezer is unplugged Push the plug completely into the outlet The fuse is blown circuit Replace fuse or reset the breaker breaker is tripped Door lid left open Check to see if package is holding door lid open Too frequent or too long Reduce the time of opening the door lid door lid openings Temperature control set too See About the operation of the freezer Freezer cold 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 Not unusual during periods of Wipe surface outside of cabinet high humidity Interior light does 2 AUNO Replace fuse or reset the breaker not work on some S Tr s Push t
7. ANUAL x 2009 12 17 Chapter 7 Circuit diagram 7 1 Brief principle diagram XP POWER PLUG M COMPRESSOR RT STARTER Hye YELLOW LAMP C RUNNING CAPACITOR Hon GREEN LAMP PROTECTOR SAT THERMOSTAT HRD RED LAMP SERVICE MANUAL Chapter 8 Trouble shooting 8 1 Normal phenomena Temperature control in OFF or Freezer does not Move the control to a temperature setting Min or 0 position operate or Freezer is unplugged Push the plug completely into the outlet Power On Light is The fuse is blown circuit not on 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 Reduce the time of opening the door lid door lid openings frequently Temperature control set too See About the operation of the freezer cold Door lid left open Check to see if package is holding door lid open Too frequent or too long Reduce the time of opening the door lid door lid openings Temperature control set too Freezer operates See About the operation of the freezer cold too long Inadequate air circulation See Preparing to install the freezer Space around cabinet 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
8. Temperature gt 300 1 3 grade Ifthe compressor starts when switch of fast freezer is 16 300 3 5grate open it s the complaint of thermostat lt 160 5 grate 2 Adjust the thermostat properly refrigeration 0 10 Temperature induction probe placed properly freezer 16 24 soft freezer 3 7 4 Temperature induction loose or desquamate aintain technics of sensor Unitary poor cooling Display section for reezer appear F2 cooling effigeration norma cooling Refrigeration poor cooling Display sectio for freezer appear F1 or F3 aintain technics 0 sensor Enclosed bar of refrigeration broken Repair the Enclosed bar enclosed bar of freezer gap or broken 7 Croom norma cooling Repair the Enclosed bar Freezer poor cooling sensor eficlosed bar of freeze gap or broken Repair the Enclosed bar SERVICE MANUAL 2009 12 17 Ref0912S016V0 Model BD 143GAA Sincere forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com
9. amaged particularly cushioned coverings and those with embossed surfaces SERVICE MANUAL mpya Chapter 4 Disassembly 4 1 Door assembly Door hinge hinge cover 1 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 4 2 Compartment Grill assembly Unscrew the two screw of grill we can take away the grill SERVICE MANUAL Model BD 143GAA Rev Ref0912S016V0 4 3 Control panel assembly Panel cover board knob indicator light Stretch your arm into the compartment push the connector inside when the clip falls off the cabinet and take off the control panel and the connective wire cord with an acutilingual plier 7 A 4 4 Thermostat assembly First take off the knob refer 4 3 Use turnbuckle spanner or acutilingual plier unscrew the turnbuckle then thermostat can be moved from back of panel Note When assembly thermostat you should placed thermostat in originally direction SERVICE MANUAL Issue 2009 12 17 Model BD 143GAA Rev Ref0912S016V0 Chapter 5 Control and display system 5 1 Control panel To prevent temperature being accidentally modified the control is intentionally resistant to turning To vary the setting please use a coin or screwdriver 1 To switch on Turn the control to the right adjust temperature to the level you
10. he plug completely into the outlet models Light bulb burned out Replace bulb Door lid wont fully Package holding door lid Store only corrects quantity of food close by itself open Slow starting time Built in overload product Store only corrects quantity of food after being off Door lid left open Check to see if package is holding door lid open Excessive frost Too frequent or too long Reduce the time of opening the door lid build up door lid openings Not unusual during periods of Put the freezer to suitable place high humidity SERVICE MANUAL 2009 12 17 Ref0912S016V0 Model BD 143GAA 8 2 Abnormal phenomena 8 2 1 Compressor doesn t start Compressor doesn t start Y Whether lighting and display system is normal Whether the grade of thermostat is Y Trouble of lighting and display system on 0 Whether the resistance of compressor is p Adjust the grade according to fact Compressor is open circuit or short infinite or 0 Whether the starting current is about 5A Measure whether two ends of heat protector is through hether the finge multimeter swing to 0 quick and then swing back slowly when measuring two les of capacitan Whether is tight
11. ial brand Product description Type of appliance FS free standing built in Energy efficiency class Climate class 16 32 ST 16 38 C T 18 43 C Freezer star rating Approvals VDE IMQ OVE DEMKO etc CE GS Certifications Gross capacity Total net capacity Freezing capacity kg 24h kg 24h Energy consumption year KWh year 194 Max storage time at breackdown h 25 Defrosting Manual Automatic Manual Kind of coolant R134a R600a R600a Foaming components R141b C P CP IP Voltage frequency 220 240 50 Input power currency 85 0 6 Lenght of cable incl plug cm 150 155 Temperature range from gt to C lt 18 DIN 8950 resp 8953 Energy consumption year kWh year 194 Energy consumption EN153 per 24 h kWh 24 h 0 53 Cooling system K Compressor A Absorbtion K Maximum noise level dB A 45 Door Flat Chest straight edges Colours Cabinet white Top white SERVICE MANUAL Door glass Door frame white Fascia panel Handle w b g s white white pocket Inside door drawers W white T transparent Product classification Super eco Eco Standard Standard Lid Number Handle Lock 1 1 Type of lid Hinge Counter balanced Sliding Hinge Inside walls Stainless Aluminium steel Aluminium Synthethic mat Insulation Lid thikness 7 Walls thikness 6 5 Baskets number 1 metal Defrost drain Interior light Calendar Adjustab
12. le thermostat Fast freeze lamp yellow On light green Breakdown light red Fast freeze switch Freezer temperature warning indicator LED by sound Thermometer Outside In partition Maximum loading level marking Adjustable feet front rear Mobility wheels front rear Flush back skin evaporator Unit dimensions H W D 84 5 72 56 Height with open lid 134 5 Net weight 35 Packing dimensions H W D 89 77 5 59 5 Gross weight 20 container load 40 container load 40 High cube container load 85 mc 13 6 m truck 120 mc jumbo truck User instruction languages GB DE FR IT SP PT NL SERVICE MANUAL SE Model BD 143GAA Ret0912S016v0 2 2 External views Lid Case Control panel SERVICE MANUAL Model BD 143GAA Rev Ref0912S016V0 Chapter 3 Installation adjustments and maintenance 3 1 Unpacking 1 Remove all packaging material this includes the foam base and all adhesive tape holding the freezer accessories inside and outside 2 Inspect and remove any remains of packing tape or printed materials before powering on the freezer 3 2 Adjusting 1 The freezer is designed for freestanding installation only It should not be recessed or built in 2 Place the freezer on a floor strong enough to support it fully loaded 3 When moving freezer never tilt it more than a 45 degree angle This could damage the compressor and the sealed system 4 freezer
13. nsitive 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 In the 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 you check something at a lower position 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 A big fluctuation of voltage exceed the range 100 120V 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 care not to damage the supply line Don t 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 SERVICE MANUAL x Issue 2009 12 17 Model BD 143GAA Rev Ref0912S016V0 supply line when moves the machine from the wall
14. rmostat function is disabled The compressor continues cooling until the SUPER FREEZE switch is turned off again 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 OFF 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 Chapter 6 System flow principle 6 1 Refrigeration flow chart TN SOIR ZY CN CN COMDODrESSOI KY N NZ KOR x A rN CD FA 7 Ly CA y CA KZ lt 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 SERVICE MANUAL Model BD 143GAA 6 2 Refrigeration flow scenograph lt lt 2 A 4 2224 7 AA N Sa SERVICE M
15. rs To defrost faster keep the freezer door open When done push the drain dial in and turn the arrow to the up position Re plug the drain plug inside the freezer compartment Note monitor the container under the drain to avoid overflow Rest the temperature control to the desired setting 3 5 Cleaning 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 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 An open box of baking soda in the freezer will absorb stale freezer odors Change the box ever y three months A Care should be taken in moving the freezer away from the wall All types of floor coverings can be d
16. sembly Panel cover board knob indicator light 12 4 4 Thermostat assembly 12 5 Control and display System 13 5 1 Control and display panels 13 5 2 Starting the Freezer sssssnnnnnennennnenennennenss 14 6 System flow principles 15 6 1 Refrigeration flow chart 15 6 2 Refrigeration flow scenograph 16 nie is 17 7 1 Brief principle diagrammes 17 8 Trouble 18 SERVICE MANUAL Model BD 143GAA re 8 1 Normal phenomena san ane lens nes Sense anse tanins named siwis 19 8 2 Abnormal phenomena D EE 20 8 2 1 doesn t 20 8 2 2 cooling RC 21 SERVICE MANUAL Issue 2009 12 17 Model BD 143GAA Rev Ref0912S016V0 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 Se
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