Midea WHS-185C1 Service Manual Download Page 9 | Manualshive

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Midea WHS-185C1 Service Manual Download Page 9

Circuit Diagram

1. Schematic Circuit Diagram

Circuit Diagram

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Summary of Contents for WHS-185C1

Page 1: ...Refrigerator Service Manual Model WHS 185C1 Features Energy efficiency Micro foam technology Low noise operation Thick insulation for energy efficiency Latest No 2 microbiological technology 0...

Page 2: ...nts 1 2 Product Code Illumination and Series Introduction 2 3 Specifications 3 4 Safety Precautions 4 5 Function Schedule 7 6 System Flow Chart 8 7 Circuit Diagram 9 8 Maintenance Service and Troubles...

Page 3: ...WHS 185C1 37 5 Color White Power Supply V Hz 115V 60HZ Rated Input Power W 108 Power Consumption kWh Y 218 Net Weight 64 lbs Gross Weight lbs Unit Dimension DxWxH in Packing Dimension DxWxH in Contain...

Page 4: ...Safety Precautions Safety Precautions 4...

Page 5: ...Safety Precautions 5...

Page 6: ...Safety Precautions 6...

Page 7: ...Function Schedule Function Schedule Energy efficient Micro foam technology Low noise operation Thick insulation for energy efficiency 7...

Page 8: ...System Flow Chart System Flow Chart 1 Schematic diagram of System Flow Chart Flow sequence 1 2 3 4 5 1 8...

Page 9: ...Circuit Diagram 1 Schematic Circuit Diagram Circuit Diagram 9...

Page 10: ...five minutes and turning back on Check and repair according to The compressor does not work chart YES Does compressor run naturally and is condenser cooling too slowly YES Blocked by ice or debris Ch...

Page 11: ...cooling capacity insufficient NO Check and repair according to the Cooling capacity is insufficient chart YES 1 Was the thermostat set to the coldest setting 2 Is the ambient temperature too high or t...

Page 12: ...ooting 3 Cooling capacity is insufficient Cooling capacity is insufficient Is the ambient temperature lower than 60 8 F YES Is the thermostat correct NO Is refrigerant leaking YES NO Adjust and instru...

Page 13: ...e connected to a power source NO Repair YES YES Is the ambient temperature lower than 60 8 F YES YES Is the thermostat NO correct Adjust and instruct owner how to use Does the control panel have a 220...

Page 14: ...e compressor has stopped running the refrigerant will flow for some time so this sound is normal B When the compressor starts running a clicking sound can often be heard which is produced by the motio...

Page 15: ...technicians can correctly locate issues and take reasonable measures based on their comprehensive analysis of problematic characteristics and of various kinds of refrigerators Three Checkup Essential...

Page 16: ...eft part depending on the type of condenser coil This indicates that the refrigerant is circulating properly If the condenser is not hot this means the refrigerant is leaking If the condenser is hot f...

Page 17: ...aust gas temperature The exhaust tube will be rather hot and a continuous gas flowing sound from the outlet of the capillary will be louder than normal Little to no frost will appear on the evaporator...

Page 18: ...off After a few minutes open the refrigerant charging tube let refrigerant escape replace dry filter recharge refrigerant after evacuating and seal charging port 3 Air left in the refrigerating system...

Page 19: ...ng cycles refrigerating oil residue may remain in the evaporator tubing However if there is a considerable amount of refrigerating oil in the evaporator the heat conduction effect will be severely aff...

Page 20: ...timely manner this can result in the refrigerant completely leaking out There are two kinds of leakage a Slow leakage When a refrigerator has not been used in a long time the refrigerant might gradual...

Page 21: ...and recharge the system with filtered refrigerant Another method is to connect a filter with moisture absorbers such as silica gel or anhydrous calcium chloride to the refrigeration system Afterward...

Page 22: ...ext feel the compressor casing to determine if it is too hot Then with pressure gauges measure the pressures at the high and low pressure ports of the compressor If the gas suction valve block is brok...

Page 23: ...stem Generally there are three possibilities i the air was sucked into the system during a careless repair ii it was not completely purged when evacuating the system or iii there are leak points at th...

Page 24: ...tops When the temperature in the refrigerator reaches its desired value the thermostat will shut down the compressor automatically Never confusion this normal operation as a malfunction Be sure to dif...

Page 25: ...he relay cover to check its contacts If they are open this means the original setting was not properly positioned or the temperature sensing agent has leaked Adjust the contacts of the temperature sen...

Page 26: ...iness and cause the shaft to seize up Copper plating may also cause shaft seizure b Piston seizure This is caused when the fit clearance between the piston and cylinder is too small or has expanded du...

Page 27: ...the refrigerating capacity Due to a lower refrigerating capacity the refrigerator temperature cannot reach its rated value and the thermostat will malfunction so the compressor will continue to run W...

Page 28: ...Next measure the resistancebetween the power cord and the casing with a voltmeter the reading should be zero ohms At worst there is a blown fuse Check the three prong outlet to see if the live and ne...

Page 29: ...on becomes weak or disappears If the refrigerator has not been levelled put a leveler on the refrigerators top and adjust the leveling screws If noise is coming from the compressor hit different spots...

Page 30: ......

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