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26   

 

Maintenance Service and Trouble Shooting   

4)

    Inspection method 

 

To find the sources of noise, press the vibration spot with your hand 

 

while the refrigerator is in operation and listen attentively whether the 

 

vibration becomes weake or vanishes. If the refrigerator has not been 

 

levelly placed ,put a level meter on its top table and adjust the leveling 

 

screws on its legs .In case noise occurs from the compressor ,strike 

 

different locations on the side surface of its case using a rubber hammer or 

 

hand hammer with a wood block in-between so as to determine whether 

 

the suspended springs are out of balance or being seized .   

 

H. 

显控板故障代码

 

 
 
 
 
 
 
 
 
 
 
 
 

Function: 
A.Freezer compartment temperature adjustment                  B.Mode Settings 
C.Refrigerator compartment temperature adjustment          D.Lock/Unlock 

1.Vocation mode      2.Quick-freezer mode      3.Quick-cold mode 
4.Lock icon        5.Freezer compartment temperature 
6.Refrigerator compartment temperature      7.Close icon 

Defect Code of Display Panel

 

Defect code 

Error description 

E1 

(R)refrigerator sensor 

E2 

(F)freezer sensor 

E3 

(F)Defrost sensor 

E6 

Communication failure 

 

Summary of Contents for HC-698WEN

Page 1: ...Refrigerator Service Manual Models HC 698WEN Features Energy efficiency Micro foam technology Low noise operation Thick insulation for energy efficiency Latest No 2 micro biological technology 0...

Page 2: ...CONTENT 1 Content 1 2 Specifications 3 3 Function Schedule 4 4 System Flow Chart 5 5 Circuit Diagram 6 6 Maintenance Service and Trouble Shooting 7 7 Exploded View 26 8 List of Parts 27 1...

Page 3: ...y Comsumption kwh 24h 1 22kW h 24h Energy Efficiency Class A Total Gross Volume L 550L Gross Freezer Volume L 204L Total Storage Volume L 537L Freezer Storage Volume L 192L Refrigerator Storage Volume...

Page 4: ...Function Schedule Energy efficiency Micro foam technology Low noise operation Thick insulation for energy efficiency Electronic control Vocation mode function Quick freeze mode function Quick cooling...

Page 5: ...System Flow Chart System Flow Chart 1 Schematic diagram of System Flow Chart 2 Brief Description of System Flow Chart Flows in the sequence 1 2 3 4 5 1 5...

Page 6: ...Circuit Diagram Circuit Diagram 1 Schematic Circuit Diagram 6...

Page 7: ...power NO Check and repair according to the section of the compessor doesn t work YES If compressor can run naturally and temperature raising of condenser is very low YES NO Refrigerant leak check and...

Page 8: ...capacity insufficient NO Check and repair according to the section of Cooling capacity is insuffcient YES 1 The thermostat was set at the coldest position 2 The ambient temperature is very high or th...

Page 9: ...ing 3 Cooling capacity is insufficient Cooling capacity is insufficient Is the ambient YES temperature low than 16 C Check the therostat is correct YES NO Does the refrigerant leak siowly Adjust and i...

Page 10: ...1 Maintenance Service and Trouble Shooting 4 The compressor doesn t work The compressor doesn t work Does the refrigerated room lamp illuminate when the door is opened NO Check the power source and po...

Page 11: ...the pressure difference 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 oft...

Page 12: ...efrigerator locations and natures of troubles should be determined according to their respective features therefore experience in servicing is very important to troubleshooting Service technicians wit...

Page 13: ...d 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 fl...

Page 14: ...y 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 ca...

Page 15: ...essive 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 occur The liquid refrige...

Page 16: ...ator regularly if you fail to do so the frost layer on the evaporator tubing will become thicker and thicker Heat conduction will be severely affected when the whole tubing is wrapped with a transpare...

Page 17: ...rant and seal the charging port B No Refrigerating The phenomenon that the compressor runs normally but no frost or only a little frost appears on the evaporator and the refrigerator temperature does...

Page 18: ...t 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...

Page 19: ...gging with dirt 3 Troubles of Compressor a Breakage of gas suction and discharge valve blocks Analysis of Trouble The compressor works by means of the opening and closing of gas suction valve and disc...

Page 20: ...he 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 is higher gas discharge pressure...

Page 21: ...er supply c Abnormal thermal protection Analysis of Trouble The compressor current is within its normal range but the thermal protector actuates repeatedly Remedy Replace the thermal protector with a...

Page 22: ...he 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 its contacts are closed Analysis of Trouble The contacts of...

Page 23: ...caused mostly by poor lubrication such ad insufficient quantity of lubricant clogging in the lubricant oil line or intermittent lubricant oil supply Dirt and other impurities in the lubricant oil will...

Page 24: ...rated value the thermostat won t work thus the compressor runs continuously When the evaporation temperature in the system is too high the temperature sensing agent in the temperature sensor is also h...

Page 25: ...up intensively measure the resistance between the power cord plug and the case body with an avometer the reading will be zero 0 in the worst case the fuse will be blown Check the 3 prong outlet to se...

Page 26: ...ocations on the side surface of its case using a rubber hammer or hand hammer with a wood block in between so as to determine whether the suspended springs are out of balance or being seized H Functio...

Page 27: ...bottle shelf MAG0 114 1 11 503602010270 R glass shelf assembly M9D9 109 4 12 501154510018 R upper drawer M9D9 116 1 13 501154510030 R bottom drawer cover M9D9 118 1 14 501154510017 R bottom drawer M9D...

Page 28: ...rol PCB 50230101002T 1 47 501155810269 main control PCB cover MA00 1D3 1 48 502403010012 inverter signal harness MAG3 507 1 49 502905010144 top hinge assembly MA00 1B3 1 50 501155610032 left hinge cov...

Page 29: ...4 50115371A005 F bottle shelf MAG0 105 1 76 50115561000P F door seal assembly MA00 359 1 77 50370011467H F door assembly 50370011467H 1 78 503355800013 display control PCB NAD8 502 1 79 501155810220...

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