Haier HCM071AW, Service Manual

Page 1: ...hnicians 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...

Page 2: ...g and draining 7 3 3 Cleaning the freezer 8 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 5 Control and display system 11 5 1 Control and display panel 11 5 2 Starting the Freezer 11 6 System flow principle 12 6 1 Refrigeration flow chart 12 6 2 Refrigeratio...

Page 3: ...cially 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 fl...

Page 4: ... attention of the reader to specific information The meaning of each icon is described in the table below Note A note provides information that is not indispensable Caution 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...

Page 5: ...e class N 16 32 ST 18 38 T 18 43 N Freezer star rate 2 Key index Gross capacity l 203 Total net capacity l 198 Defrosting Manual Automatic Manual Kind of coolant R134a R600a R134a Foaming components R141b C P C P 3 Technical data Voltage frequency Compressor brand V Hz 115V 60Hz Input power currency W A 1 70A Length of cable incl plug cm 150 155 Lowest Temperature C 18 C Energy consumption EN153 p...

Page 6: ...ial 1 metal Defrost drain Interior light Super freezing lamp yellow Power light green Fast freeze switch External Condenser 6 Product net dimensions Unit dimensions H W D cm 84 5 94 56 Net weight kg 39 7 Packing dimensions load ability Packing dimensions H W D cm 89 99 5 59 5 Gross weight kg 45 2 2 External views Door Cabinet Control panel Drain pipe ...

Page 7: ... 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 b...

Page 8: ... 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 sod...

Page 9: ...r 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 4 2 Compartment Grill assembly Unscrew the two screw of grill we can take away the grill Top hinge cover Bottom hinge cover ...

Page 10: ...ll 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 s...

Page 11: ...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 befo...

Page 12: ...inciple 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 control 6 2 Refrigeration flow scenograph ...

Page 13: ...SERVICE MANUAL Model HCM071AW 13 Issue 2011 01 28 Rev Ref1101S019V0 Chapter 7 Circuit diagram 7 1 Brief principle diagram HCM071AW ...

Page 14: ...ture control set too cold See About the operation of the freezer Inadequate air circulation space around cabinet See Preparing to install the freezer Freezer operates too long Fast Freeze switch is in the ON position on some models See About the operation of the freezer Floor may be weak causing freezer to vibrate when compressor is on Placing 2 X 4s 51 mm X 102 mm under the length of the freezer ...

Page 15: ...Moisture forms on outside of cabinet Not unusual during periods of high humidity Wipe surface dr No power at outlet Replace fuse or reset the breaker Freezer is unplugged Push the plug completely into the outlet Interior light does not work on some models Light bulb burned out Replace bulb Door lid wont fully close by itself Package holding door lid open Slow starting time after being off Built in...

Page 16: ...SERVICE MANUAL Model HCM071AW 16 Issue 2011 01 28 Rev Ref1101S019V0 8 2 Abnormal phenomena 8 2 1 Compressor doesn t start ...

Page 17: ...17 SERVICE MANUAL Model HCM071AW Issue 2011 01 26 Rev Ref1012S015V0 8 2 2 Poor cooling ...

Page 18: ...Sincere forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com ...