Haier HRB-271 Скачать руководство пользователя страница 16 | Manualshive

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15

TROUBLE SHOOTING

D

1 No

cooling

11

Block by ice or dirty
things,change filter and change
refrigerant again.

YES

NO

No cooling

YES

NO

Refrigerant

leak, check and

repair charge

refrigerant again.

Check and repair according to
the section of "the compessor
doesn't work".

Switch OFF the

Refrigerator and again

switch ON after 5 min.

Is Compressor Start ?

If compressor

can run naturally and

temperature rise

of condenser is

very low

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...
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15
16
17
18
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Содержание HRB-271

Страница 1: ...CE SERVICE MANUAL Refrigerator Features 1 Optimized condensing system 2 Pre cooling for defrosting for freshness storage 3 Intelligent operation for automatic operation 4 Automatic problem detecting and warning system door cooling warning system MODELS HRB 306 HRB 331 HRB 271 HRB 331MPE ...

Страница 2: ...rol of key REFRIGERATION PRINCIPLE System flow chart System flow serograph CIRCUIT DIAGRAM Brief principle diagram PCB diagram TROUBLE SHOOTING No cooling The compressor doesn t stop Cooling capacity is insufficient The compressor doesn t stop Normal phenomena Not trouble for refrigerators Three essentials for checkup Analysis of troubles and troubleshooting EXPLODED VIEW SPARE PARTS LIST 7 6 5 2 ...

Страница 3: ... use il in this case It is required t re la e t y c or a th iz d e i e h p o p c i b fa t y u or e s rv c s o When there is leakage of inflammable gas Close the valve of leaking gas Open doors and windows Neither try to drag nor insert any power plug for any electrical unit such as refrigerators Do not damage power cable Be sure not to pull out the plug on the appliance By drawing the power cable ...

Страница 4: ...ture Do not store or use gasoline or other flammable article in the vicinity of the refrigerator to avoid fire Do not place any electrical plugs Regulators or microwaves on top of the Refrigerator Do not use electric appliances Expect those allowed by manufacturer inside the refrigerator Do not place heavy or unstable articles or water containers on top of the Refrigerator Do not play by hanging o...

Страница 5: ...aning it is required to pull out the power plug and to wait atleast 5 minutes for switching ON it again to prevent damaging its compressor by continuous starting Do not spray water onto the refrigerator or place it in wet area susceptible to be splashed with water so as to avoid influencing the electric insulation performance of the appliance Do not put the bottled beer or beverage in the freeze c...

Страница 6: ...1 GPPS Transparent P S Tr parent 1 G P ans 1 GP S Transparent P P S Tr parent 1 G P ans al i i H f W dth B n P S Tr nsparent 1 G P a 1 GPPS Transparent 3 P S Transparent G P al i i over H f W dth B n C 1 P S Transparent G P 1 GPPS Transparent 1 GP S Transparent P Handle Yes w th chrome deco i o Yes with chrome dec Y w hr e deco es ith c om Yes with chrome deco o Yes with chrome dec o Yes with chro...

Страница 7: ...6 PARTS IDENTIFICATIONS Ice Tray Ice Bin Half Drawer Middle Drawer Bottom Drawer Assy Cover Vegetable Box Vegetable Box Shelf Door Rack Cover Lamp Ref Bottle Separator ...

Страница 8: ...ATOR DOOR 1 Remove the hinge cover by pulling it up 2 Loosen hexagonal bolts fixing at upper hinge to the body and lift the refrigerator door 3 Pull out the door gasket to remove from the door foam Ass y DISASSEMBLY ...

Страница 9: ...nge M to the body and lift the freezer door 2 Pull out the door gasket to remove from the door foam Ass y LOCK SUPPORTER 1 Loosen screw fixing the lock supporter to the body 2 To remove the lock supporter pull out it as shown in figure SCREW LOCK SUPPORTER ...

Страница 10: ...en screw fixing the m f duct to the body To remove the cap screw 2 Take out the m f duct DISPLAY COVER MPE Model Only 1 To remove the cover of the display panel Loosen screw fixing the display panel to the door DISASSEMBLY ...

Страница 11: ...ver freezer to the body 2 Take out the louver freezer and disconnect the lead wire from the plug 3 Loosen lower screws fixing the louver freezer front to the louver freezer back and separate them 4 Loosen screw fixing the bracket fan motor to the louver freezer back ...

Страница 12: ... value of hour will add 1 But if the hour is 23 now after a more press it will turn to be 00 The process is a cycle 5 seconds later after the number of hour is set the number will stop glittering Meanwhile the number of minute begin to glitter one more press will increase the the number with one If the number is 59 one more press will turn it to be 00 it is a cycle too 5 seconds later it will be f...

Страница 13: ... 12 REFRIGERATION PRINCIPLE The Refrigeration system of cooling belongs to the category of a single temperature and single control refrigerating system with one evaporator and is controlled by a single temperature control ...

Страница 14: ...13 2 System flow Chart Compressor Evaporation tube Heatingpipe Condensor Filter Suction pipe Defrost heater Evapaorator REFRIGERATION PRINCIPLE ...

Страница 15: ...CIRCUIT DIAGRAM 14 ...

Страница 16: ...ES NO No cooling YES NO Refrigerant leak check and repair charge refrigerant again Check and repair according to the section of the compessor doesn t work Switch OFF the Refrigerator and again switch ON after 5 min Is Compressor Start If compressor can run naturally and temperature rise of condenser is very low ...

Страница 17: ...and repair according to the section of cooling capcity is insuffcient Check and repair the main control panel Is the Defrost Buttom Low Cooling Working High Cooling NO YES Repair replace Defrost Buttom Is Thermostat Working Repair replace Thermostat NO Is Thermostat set at MAX Position YES 1 Is the the ambient temperature is very high or the refrigerator is near by heat resource 2 The door was ope...

Страница 18: ...ent YES Repair Recharge Does the refrigerant leak slowly No YES Cooling capacity is insufficient Is the ambient temperature lower then o 16 C Check the thermostat is correct YES Adjust and instruct the consumer How to use the compressor ...

Страница 19: ... the I P Power has 220V power Supply Check and repair the Input power supply Check and repair compressor and accessory YES Is the Ambient Temperature Lower than o 16 C Does Bulb glow when the door is Opened The compressor doesn t work YES NO YES NO Adjust and instruct Consumer about uses NO The Refrigerator ...

Страница 20: ...nce is still greater after the compressor has just stopped running the refrigerant will flow for a certain time therefore this sound is a normal phenomenon 2 A click sound can often be heard from the refrigerator This is a normal sound produced by the pull in or release of the armature of a current deadweight start relay when starting the compressor The compressor motor will produce a slight and u...

Страница 21: ...d on the domestic refrigerator locations and natures of troubles should be determined according to their respective features therefore experience in servicing is very important to troubleshooting Service technicians with rich experience can correctly locate them and take reasonable remedy measures based on their comprehensive analysis of trouble characteristics as well as operating conditions for ...

Страница 22: ...flow sound inside the evaporator If it sounds like gentle whistling accompanied by a sound similar to water flowing this is the sound produced by the normal circulation of refrigerant within the evaporator In case only the gas flowing sound can be heard and there is no water flowing sound this indicates that the refrigerant has already percolated If neither the flowing sound nor the gas sounds fro...

Страница 23: ...ing comprehensively with the aid of instruments or other ways because several kinds of troubles may share a common abnormal phenomenon and two or more abnormal phenomena may occur simultaneously due to a certain trouble With this method you can reject some suspicious troubles and finally make a correct judgment 7 Analysis of Troubles and Troubleshooting A Poor Refrigerating Effect The so called po...

Страница 24: ... the temperature of its condenser is higher and the electric current of the compressor rises loose frost forms on the evaporator the refrigerator temperature drops slowly and frost appears on the gas return tube b In case excessive refrigerant has been charged the liquid refrigerant that cannot evaporates in the evaporator will return to the compressor and thus a phenomenon of liquid striking will...

Страница 25: ...normal compressor its discharge port is difficult to be blocked with your finger if you just apply a little effort 5 Refrigerating oil left in evaporator tubing Analysis of Trouble During the process of refrigerating cycles a little refrigerating oil may remain in the evaporator tubing and after a longer time of operation if there is considerable refrigerating oil left in the evaporator the heat c...

Страница 26: ...ses for this trouble and it is relatively complicated too In servicing special attention to finding direct causes for this phenomenon Three main potential causes for this trouble are analyzed below 1 All refrigerant in the system has leaked out Analysis of Trouble Leak points in the refrigerating system have not been found and repaired timely thus resulting in the total escape of refrigerant There...

Страница 27: ...t at the evaporator no gas flowing sound can be heard and the gas suction pressure assumes a state of vacuum Note that these phenomena will appear intermittently sometimes the refrigerator works well and sometimes not well In order to determine whether it is clogged with ice heat the suspicious points with hot water to make ice melt and after a while if a gas flowing sound resulting from an abrupt...

Страница 28: ...sed for a longer time or by the dirt accumulated gradually inside the filter Sometimes tapping the filter nay cause a passage for flowing Touching it with your hand you will feel that it is cooler compared with its temperature in the normal state Remedy The same as described in the capillary clogging with dirt 3 Troubles of Compressor a Breakage of gas suction and discharge valve blocks Analysis o...

Страница 29: ... when it reaches the threshold value the protective relay will actuate and shut off the power supply to the compressor Remedy Open the tubing re evacuate and then charge the system with a proper quantity of refrigerant b Air left in the system Analysis of Trouble The residual air in the system will circulate together with the refrigerant in the system The major symptoms caused by this residual air...

Страница 30: ...ector actuate and the fuse blown and hence the motor stops running If the motor is still running continuously in such a case its windings will be burned out Remedy Reduce the thermal load pay attention to the variation in voltage of the power supply c Abnormal thermal protection Analysis of Trouble The compressor current is within its normal range but the thermal protector actuates repeatedly Reme...

Страница 31: ... is normal Analysis of trouble If the circuit voltage is obviously lower than its rated value it will be difficult to start the motor and a hum sound can be heard from it Remedy Measure the voltage with a voltmeter if it is really too low give directions to the user for buying a stabilizer so as to step up the voltage thus normal operation can be achieved 3 Check the thermal relay to see whether i...

Страница 32: ...mostat Analysis of Trouble Burnout of contactor and leakage of temperature sensing agent may occur generally Remedy Replace the old with a new one d Check the terminals for loose connection and electric circuits for other abnormal phenomena 5 Mechanical faults of compressor a Seizing of shaft This phenomenon is caused mostly by poor lubrication such ad insufficient quantity of lubricant clogging i...

Страница 33: ...ew one 3 evaporation temperature is too high in refrigerating system resulting in lower refrigerating capacity and hence continuous running of compressor Analysis of Trouble Leakage of refrigerant and clogging in a refrigerating system will directly affect its refrigerating capacity Due to the reduction in its refrigerating capacity the refrigerator temperature cannot reach its rated value the the...

Страница 34: ... is perfect If the grounding is no problem turn off the refrigerator immediately then check the insulation of electric circuits with an Voltmeter b Serious electric leakage Never touch the case body of the refrigerator its door handle or other metal parts with your hand Test the refrigerator with a test pencil it will light up intensively measure the resistance between the power cord plug and the ...

Страница 35: ... of noise press the vibration spot with your hand w hile the refrigerator is in operation and listen attentively whether the vi b ration becomes weaker or vanishes If the refrigerator has not been le vell y placed put a level meter on its top table and adjust the leveling scre w s on its legs In case noise occurs from the compressor strike diff erent locations on the side surface of its case using...

Страница 36: ...36 ...

Страница 37: ...37 ...

Страница 38: ...38 ...

Страница 39: ...1A FRZ MIDDLE DRAWER BASE 1 1 44 0 000 0 000 31 00602N9711A FRZ MIDDLE DRAWER COVER 1 0 85 0 000 0 000 32 00602N6032A ICE TRAY 1 0 85 0 000 0 000 33 00602N6088A WIRE SHELF 1 0 52 0 000 0 000 34 00602N6089A WIRE SHELF TRIM 1 0 11 0 000 0 000 35 00602N6033A FRZ BOTTOM DRAWER BASE 1 1 50 0 000 0 000 36 00602N6034A FRZ BOTTOM DRAWER COVER 1 1 11 0 000 0 000 37 00602N6008A FRZ WIRE DRAWER 1 1 11 0 000 ...

Страница 40: ...95 0 040 0 040 70 00602N6029A GLASS FRAME 1 0 64 0 050 0 050 71 00602N0024A WIRE SHELF TRIM 1 0 09 0 000 0 000 72 00602N6007A REF WIRE SHELF 1 0 80 0 000 0 000 73 00602N6040A LAMP COVER 1 0 17 0 000 0 000 74 00602N6048A THERMOSAT KNOB 1 0 04 0 000 0 000 75 00602N6075A KNOB COVER 1 0 00 0 000 0 000 76 00602N6047A MULTI FLOW COVER 1 1 05 0 000 0 000 77 00604N6019A THERMOSTAT 1 1 75 0 020 0 020 78 00...

Страница 41: ......

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