SERVICE MANUAL
Contents
1. R e V 2012 12 27 Refi212S006V0 8 2 Abnormal phenomena 8 2 1 Compressor doesn t start Compressor 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 G 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 Jossajduu09 Mau e 10 ebueUyD Main control board is out of work and output voltage of main control board is norma Whether each contact of main control board is nor2. br Cabinet is not positioned See Preparing to install the freezer Or use solidly on floor shims for uneven floor Freezer Door lid left open eng to see if package is holding door lid temperature too warm Too frequent or too long door lid openings Temperature control OFF or Min or 0 positions Move the control to a temperature setting Foods defrosting Freezer is unplugged Push the plug completely into the outlet The fuse blown circuit rase fp Replace fuse or reset the breaker SERVICE MANUAL Model BFQ50 Ref1212S006V0 Door lid left open oe to see if package is holding door licg Too frequent or too long door lid openings Temperature control set 00 See About ine operation ofthe freezer Freezer cold temperature too Fast Freeze switch is in the cold About the operation of the freezer long on some models on outside of hi Wipe surface dr igh humidity cabinet Interior light does 1e Light bulb burned out Roplace bb Roplace bb Door lid wont open itself Slow starting time after being Built in overload product off Door teftopen heck to see if Sane et P V M Ree is holding door lid Sane et P V M Ree Excessive frost Too frequent or too long build up door lid openings Not unusual during periods of high humidity See About the See About the operation ofthe freezer of the freezer Door eh open left open SERVICE MANUAL Model BFO50 Issue
3. ef Se 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 panel 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
4. 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 Issue 2012 12 27 Model BFQ50 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 Ref1212S006V0 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 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 JAN A warning is used when there is danger of personal injury Reference R A reference guides to find additional information on a specific topic SERVICE MANUAL Issue 2012 12 27 Chapter 2 Product Feature 2 1 Specification Commercial brand Blacka Decker Product description Chest Freezer Type of appliance FS free standing Bl ig FS b
5. 7 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 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 Tes Chapter 6 System flow principle 6 1 Refrigeration flow chart C N 2 12 2 Condenser m Lu X44 wl XY K XY gt HTO TOT OTOT 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 SE
6. RVICE MANUAL Chapter 7 Circuit diagram 7 1 Brief principle diagram BFQ50 WH White BK Black GN Green RD Red XP Power Plug SAT Thermostat F Motor Protector M Compressor RT Starting Relay C Running Capacitor SERVICE MANUAL Model BFO50 Chapter 8 Trouble shooting 8 1 Normal phenomena Possible Causes What To Do Temperature control in OFF or Freezer does not Min or 0 position Move the control to a temperature setting operate or Power On Liohti Le Push the plug completely into the outlet not on The fuse blown circuit breaker is capped Deoridietoven Check to see if package is holding door lid open Freezer Too frequent or too long to starts stops too goor lid openings freguently Temperature control set too cold Door lid left open pola to see if package is holding door lid Too frequent or too long door lid openings Freezer operates i al eon NES 100 See About the operation of the freezer too long Inadequate air circulation space around cabinet See Preparing to install the freezer Replace fuse or reset the breaker See About the operation of 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
7. alef SERVICE MANUAL Order No Ref1212S006V0 Chest Freezer MODEL BFQ50 SS NSN z ne 5 SSS 3 W aaa 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 2012 HAIER ELECTRICAL APPLIANCES COR LTD All right reserved Unauthorized copying and distribution is a violation of law Haier Group SERVICE MANUAL Model BFa50 Contents Tabled COMERS eee oven tin 2 1 G n ral Informatoh zas ra ane me nord 3 121 General guideline ee aeaa n einai 3 1 2 important notice EE O E R E RLE 3 1 3 How to read this Service Manual memes 4 2 Product sec LUE ee aea 5 2 1 Specifications EE E R E L a 5 2 2 External VleWwS 1777777777777 KE 6 3 Installation adjustments and maintenance 7 3 1 Installation PPT eee E CREER EEE EEE EEE EEE 7 3 2 Defrosting and draining usuonununnnunnNENNNNNNNNNNBNSNNNENENBNSNENENENMNMNMNENENNENENENENENENENENENENNN 7 3 3 Cleaning the freezer 1777777777755 8 ADS AS SOMME ee u ne B NOE a mat ee 9 4 1 Door assembl
8. he freezer away from the wall All types of floor coverings can be damaged particularly cushioned coverings and those with embossed surfaces SERVICE MANUAL Model BFQ50 Chapter 4 Disassembly 4 1 Door assembly Door hinge hinge cover Issue 2012 12 27 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 Top hinge cover Bottom hinge cover 4 2 Compartment Grill assembly Unscrew the two screw of grill we can take away the grill SERVICE MANUAL Issue 2012 12 27 Model BFQ50 4 3 Control panel assembly Panel cover board knob indicator light Ref1212S006V0 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 tt 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 SERVICE MANUAL Model BFQ50 Issue 2012 12 27 Ref1212S006V0 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 2012 12 2
9. id insulation when the lid is open for adding or removing food and melts during the defrosting operation Issue 2012 12 27 Model BFO50 3 3 Cleaning the Freezer Ref1212S006V0 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 applianc 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 t
10. mal 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 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 Ifit s 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 fo
11. r reezer appear F4 eficlosed bar of 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
12. r 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 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 l
13. uilt in Climate class N 16 32 C ST 18 38 C j N T 18 43 C Gross capacity 143 Total net capacity 142 Defrosting Manual Automatic Manual Kind of coolant R134a R600a R134a Foaming components R141b C P C P Voltage freguency Compressor brand 115V 60Hz Input power currency 1 69A C Length of cable incl plug 150 155 Lowest Temperature Energy consumption kWh year 240kW h Cooling system K Compressor A Absorbtion Unit dimensions H W D 84 5 72 56 oo Packing dimensions H W D cm 89 0 77 5 59 5 Gross weight kg 39 SERVICE MANUAL Model BFO50 2 2 External views __Cabinet_ Control panel SERVICE MANUAL Model BFQ50 Ref1212S006V0 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 OF 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 freeze
14. y Door hinge hinge cover 9 4 2 Compartment Grill assembly 9 4 3 Control panel assembly Panel cover board knob indicator light 10 4 4 Thermostat assembly PETTITT E E A nn nn nn nn nn E 11 5 Control and display System 12 5 1 Control and display panel 12 5 2 Starting the en 1512725 COLLE EEEEELEEEEEEEEEEECELELECEEEEEEEECECEECEEEEEEEEEEEECEEEEEEEECEEEEEEEEEEEEEEE 12 6 System flow Pr AG PIG ennemi 13 6 1 Refrigeration flow chart EE E E O R E 13 6 2 Refrigeration flow scenograph 13 7 Circuit diagrai ES ee ee ee on one 14 7 1 Brief principle diagram sense 14 8 Trouble lt hoolin text en ee ee eee eee ee 15 8 1 Normal phenomena EEE E E E R EL 15 8 2 Abnormal phenomena d s or o o ee er Tre O ARO RO B ee tin 17 SERVICE MANUAL Tae Model BFQ50 Ref1212S006V0 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 Insulation Test SS eS
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