Haier FMM300HEWWX1 Service Manual Download Page 20

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Sincere forever

Haier Group

Haier Industrial Park, No.1, Haier Road

266101, Qingdao, China

http://www.haier.com

Summary of Contents for FMM300HEWWX1

Page 1: ...ral 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 dea...

Page 2: ...ing 7 3 3 Cleaning the Freezer 8 Chapter 4 Disassembly 9 4 1 Door assembly 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 10 4 5 Disassemble the handle 11 4 6 Disassemble the fan 11 Chapter 5 Control and display system 12 5 1 Control panel 12 5 2 Starting the Freezer 13 Chapter 6 System flow pri...

Page 3: ...pair 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 li...

Page 4: ...er 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 Icons are used to attract ...

Page 5: ...Key features Gross capacity l Total net capacity l 319 379 429 519 Freezing capacity kg 24h kg 24h 26 28 30 32 Energy consumption year kW h year 511 672 Max storage time at breakdown h 40 40 40 40 Kind of coolant R134a R600a R134a 20 0g R134a 22 0g R134a 230 g R134a 250g Technical data Voltage frequency V Hz 220 60 220 60 220 60 220 60 Input power currency W A 180 1 8 200 2 0 210 2 1 220 2 2 Lengh...

Page 6: ...dability Packing dimensions H W D cm 1115 775 895 1300 775 895 1470 775 8 95 1710 775 89 5 Gross weight kg 58 58 76 86 Service User instruction English 2 2 External views 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...

Page 7: ...a 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 your 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 Wi...

Page 8: ... 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 your 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 ...

Page 9: ...mbly Door hinge hinge cover Disassemble the hinge assembly and the hinge cover take away the top and bottom cover by pull it then screw off the eight screws on the bottom hinge so the whole hinge could be moved 4 2 Compartment Grill assembly Unscrew the two screw of the grill then it can be taken away ...

Page 10: ... panel outside then take away it 1 Take away the knob with a sharp edged tool 2 Press the cover board and take away it 3 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 then thermostat can be moved from back of panel Note When assemble thermostat you ...

Page 11: ...om with a cross screwdriver anticlockwise then take away the handle part then take off the 4 screws with a cross screwdriver anticlockwise the handle will be taken off 4 6 Disassemble the fan pull out the fan power connector then take off the fan support fix screw with a cross screwdriver anticlockwise then take off the fan fix screw ...

Page 12: ... panel Freezing temperature selection is made by setting the control from 1 to 7 coldest If you 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 Fan power connector Fan support fix screw Fan fix screw ...

Page 13: ...Make sure the temperature control is set at 4 4 Allow freezer to operate for at least four hours before placing food inside Chapter 6 System flow principle 6 1 Refrigeration flow chart 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 ...

Page 14: ...SERVICE MANUAL Model BD 429H2 14 Issue 2016 7 12 REV Ref1607S002V0 6 2 Refrigeration flow scenograph Chapter 7 Circuit diagram Industrion The production 319 has not super condenser Evapoartor Condenser ...

Page 15: ...F or Min or 0 position Move the control to a temperature setting Freezer is unplugged Push the plug completely into the outlet The fuse is blown circuit breaker is tripped Replace fuse or reset the breaker Freezer starts stops too frequently Door lid left open Check to see if package is holding door lid open Too frequent or too long to door lid openings Temperature control set too cold See About t...

Page 16: ... Or use shims for uneven floor Freezer temperature too warm Door lid left open Check to see if package is holding door lid open Too frequent or too long door lid openings Reduce opening time Foods defrosting Temperature control OFF or Min or 0 positions Move the control to a temperature setting Freezer is unplugged Push the plug completely into the outlet The fuse is blown circuit breaker is tripp...

Page 17: ...place bulb Slow starting time after being off Built in overload product Do not overload Excessive frost build up Door lid left open Check to see if package is holding door lid open Too frequent or too long door lid openings Reduce opening time Not unusual during periods of high humidity Reduce opening time 7 2 Abnormal phenomena 7 2 1 Compressor doesn t start ...

Page 18: ...uble of compressor N Whether PTC starter resistance between running jack and starting jack is 16 50 O If it is infinite or 0 then the starter is out of work Y N Whether compressor pin is tight contact is good Insert again electrify and test Whether input and output voltage of main control board is normal Main control board is out of work Y N N Y Whether each contact of main control board is normal...

Page 19: ...osedbar If 7 roomnormal cooling Freezerpoor cooling Displaysectionfor freezerappearF4 enclosedbaroffreezer gaporbroken Maintaintechnicsof sensor RepairtheEnclosedbar Checkandadjustthe circuitry Openthe switchofequalizelow temperature Conductusertouse itproperly Maintaintechnicsof sensor RepairtheEnclosedbar Y N Y N Y N Y Y N N Y Y Y Y Y N Y Y N N Y Ifit smechanicalrefrigerator changethetacheofdisp...

Page 20: ...Sincere forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com ...

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