Haier HRF-663ISB2 Series Service Manual Download | Manualshive

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SERVICE MANUAL

Model: HRF-663ISB2

8

Issue

2010-01

Rev.

Ref1001S015V0

2-2. External views

There is no home bar baffle for this model.

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Summary of Contents for HRF-663ISB2 Series

Page 1: ...technicians 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 informat...

Page 2: ... 3 Down decorative moulding 10 3 4 Adjustable foot 10 4 Disassembly 11 4 1 Switch 11 4 2 Air passage cover assembly in Fridge room 11 4 3 Air passage cover assembly in Freezer room 12 4 4 Control panel box and display panel 13 4 5 Display panel 13 4 6 Ice crushed motor 13 5 Control principle and display system 14 5 1 Control and display panel 14 5 2 Function adjustment and work principle 14 6 Syst...

Page 3: ... 2 Common Troubles in Refrigerators and Their Remedies 27 8 3 Analysis of Troubles and Troubleshooting 29 8 3 1 Poor Refrigerating Effect 29 8 3 2 No Refrigerating 32 8 3 3 Sudden stops 34 8 3 4 Compressor could not be start 36 8 3 5 Problem with ice making 37 8 3 6 Electric leakage of refrigerator 38 8 3 7 Stronger vibration and loader noise 39 ...

Page 4: ...firm 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 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 avoid...

Page 5: ...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 1 3 1 Using Icons The meaning of each icon is described in the table below Note A note provides information that is not indispensable C...

Page 6: ...499 Defrosting H manual A automatic Fridge Freezer A Defrost water outlet Yes Air circulating ventilator Yes Kind of coolant R134a R600a R600a Foaming components CP IP 3 Technical data Voltage frequency V Hz 220 240 V 50 Input power mains fuse minimum W A 200 2 2 Length of cable incl plug cm 200 Temperature range from to Fridge Freeze C 10 26 4 Aesthetics Colours see L Silver Top cover Silver Cabi...

Page 7: ...xterior Control lamps green yellow red blue Over temperature ALARM LED acoustic acoustic Adjustable thermostat Yes Fast freeze switch Yes Interior light W 2 Adjustable feet front rear n front Castors front rear front rear 6 Product dimensions Unit dimensions H W D cm 176 8 89 77 Depth with open door cm 110 Net weight kg 120 7 Packing dimensions load ability Packing dimensions H W D cm 189 4 96 77 ...

Page 8: ...SERVICE MANUAL Model HRF 663ISB2 8 Issue 2010 01 Rev Ref1001S015V0 2 2 External views There is no home bar baffle for this model ...

Page 9: ... the hinge cover from upper way 2 Loosen the screw fixing the upper hinge to the body and lift the door 3 Pull out the door gasket from the door assembly 3 2 Handle 1 Door gasket can be pulled out from door foam assembly 2 Fix the bolt into the hole on the door and then use the handle aiming to the bolt push the handle down until it touch the door firmly Part 1 Part 2 Part 3 ...

Page 10: ... 4 Adjustable foot If the freezer compartment door is lower than that of the refrigerator compartment insert the wrench in the groove of the left screw and turn it in the direction of the arrow until both doors are the same height If the freezer compartment door is lower than that of the refrigerator compartment insert the wrench in the groove of the left screw and turn it in the direction of the ...

Page 11: ...om switch 4 2 Air passage cover assembly in Fridge room 1 Unplug the power cord from the outlet 2 Remove the fridge shelf 3 Remove the lamp cover see pic 1 4 The bulb can be replaced 5 Loosening 2 screws fixed to ceiling of inner liner 6 Pull out the electric damper wind passage and the wind passage cover see pic 2 7 After replaced the disabled parts assemble in reverse order of disassembly Pic 1 ...

Page 12: ... screws fixed the cover and pull out the top freezer air tower see pic 2 6 Pull out the bottom freezer air tower and unplug the sensor cable see pic3 7 Pull out the freezer fan motor rack unplug the fan motor cable and separate the fan motor fan motor cover and the rack see pic4 and 5 8 Pull out the freezer air shutter see pic6 9 Unplug the defrost sensor cable see pic7 10 Assemble in reverse orde...

Page 13: ... fixed the bottom of control panel assembly 3 Unplug the display panel 4 Loosening 4 screws fixed the control panel 4 6 Ice crushed motor 1 Unplug the power cord from the outlet 2 Pull out the ice crushed box and loosening the screws from the ice crushed box slide way 3 Pull out the ice crushed box slide way 4 Take out the ice box and then take out the ice box motor 5 Loosening 4 screws from the i...

Page 14: ...tment and working principle 1 Initial State 1 1 For initial power on the temperature setting for refrigerator compartment and freezer compartment is preset at fuzzy mode fast freeze is not selected 1 2 For initial power on if the temperature of refrigerator compartment falls within the range of temperature corresponding to starts and stops of compressor the compressor won t start until the tempera...

Page 15: ... the refrigeration key for 3 seconds the refrigeration operation in refrigerator compartment is deactivated and its temperature setting display is off press and hold down it again for 3 seconds the refrigeration function is resumed and its temperature setting display is on When the refrigeration function is suspended the refrigeration load is canceled in correspondence to 2 2 2 Displays 1 Press fr...

Page 16: ...freezer Refrigerator sensor 1 R1 SNR Refrigerator damper assembly Refrigerator sensor 2 R2 SNR Side wall of refrigerator Ambient temperature sensor RT SNR Below hinge box of freezer Ice maker sensor ICE SNR Below ice maker Defrost sensor D SNR Above freezer evaporator k F D ICE 5 5 57 Freezer compartment NOTCH 1 5 C NOTCH 1 5 C F SNR Refrigerator compartment NOTCH 1 5 C NOTCH 1 5 C R1 SNR Item Com...

Page 17: ...The light is on if the door is opened the light extinguishes if the door is closed 2 The light extinguishes automatically if the door is opened for more than 7 minutes 2 3 6 Air damper control of refrigerator 1 R1 SNR controls the startup and shutdown of air damper in refrigerator compartment 2 The air damper is closed in order to prevent the compartment from freezing within 15 minutes from the be...

Page 18: ... is adjustable while the setting in freezer compartment is not 5 The compress operates 3 hours continuously and then stops in fast freeze 6 Defrosting has a higher priority than fast freeze The defrosting time is included in fast freeze time The fast freeze display is on all the time during defrosting End of fast freeze and end of automatic defrosting are controlled by respective conditions When e...

Page 19: ...inimize the temperature rise in freezer and refrigerator compartments during defrosting pre refrigeration before defrosting 8 After defrosting if the compressor operates 4 hours continuously the defrosting will begin again 9 Fast freeze display is powered on in fast freeze state during defrosting while automatic defrosting goes on At the end of automatic defrosting fast freeze will begin again The...

Page 20: ...peration in TEST 1 MODE 2 TEST2 should be activated 0 1 second later from TEST1 to TEST2 3 The keys on display panel are inactivated in TEST1 or TEST2 MODE 4 It is useless to press TEST key before powered on 5 TEST cannot be used in fault mode If there is fault detected in TEST it can be displayed after the reset of control panel 7 67 QWHU E SUHVVLQJ 7 67 NH RQH WLPH FRROLQJ FDSDFLW 02 203 21 1 KL...

Page 21: ...ort circuit or broken circuit 3 RT SNR is defective Normal Refrigerator setting 1 glitters RT SNR Short circuit or broken circuit 4 R1 SNR is defective Normal Refrigerator setting 2 glitters R1 SNR Short circuit or broken circuit 5 R2 SNR is defective Normal Refrigerator setting 3 glitters R2 SNR Short circuit or broken circuit 6 D HS SNR is defective Freezer setting 2 glitters Normal D SNR Short ...

Page 22: ...he product adopts an air cooled refrigeration system to ensure accurate refrigeration in freezer compartment and refrigeration compartment ķ Compressor ĸ Condenser Ĺ Hot connector pipe for freezer ĺ Hot connector pipe for fridge Ļ Drier filter ļ Capillary tube Ľ Evaporator ľ Suction pipe Ŀ Compressor DC fan motor ŀ Freezer DC fan motor ...

Page 23: ...SERVICE MANUAL Model HRF 663ISB2 23 Issue 2010 01 Rev Ref1001S015V0 6 2 Water flow scenograph ...

Page 24: ...4 Issue 2010 01 Rev Ref1001S015V0 Chapter 7 Circuit diagram 7 1 Brief principle diagram HRF 663ISB2 is the forced air cooling refrigerator with two doors side by side The control panel directly controls the start and stop of compressor ...

Page 25: ...SERVICE MANUAL Model HRF 663ISB2 25 Issue 2010 01 Rev Ref1001S015V0 7 2 Main control PCB diagram ...

Page 26: ...ator tubing Because 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 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 comp...

Page 27: ...tly locate them and take reasonable remedy measures based on their comprehensive analysis of trouble characteristics as well as operating conditions for various kinds of refrigerators Three Essentials for Checkup 1 Look a Check the tubing of refrigerating system for cracks and various welding points for leaks if leakage occurs an oil stain can be seen definitely b Check the suction and exhaust pre...

Page 28: ...5 10 minutes touch and feel the condenser the temperature of its upper part should be higher than that of its lower part or its right part is hotter than its left part depending on the type of condenser coil this indicates that the refrigerant is circulating If the condenser is not hot this means the leakage of refrigerant In case the condenser radiates heat for only several minutes and then cools...

Page 29: ...the capillary and no frost or a smaller quantity of loose frost appears on the evaporator After shut down the balance pressure in the system is usually lower than the saturation pressure corresponding to the same ambient temperature Remedy In case there is leakage of refrigerant from the system do not hurry to recharge it with refrigerant manage to find out leak points immediately and make a note ...

Page 30: ...vious increase in temperature in the segment from the compressor outlet to the condenser inlet Because there is air in the system both the gas exhaust pressure and temperature will rise and moreover the gas flowing sound is intermittent and obviously louder Remedy After shut down for several minutes open the tubing evacuate it and then recharge the system with refrigerant 4 Low efficiency of compr...

Page 31: ...ice and Trouble Shooting phenomenon and other several trouble are tends to be confused Generally speaking you can make a judgment based on the frost formed on the evaporator If the frost does not cover the evaporator and moreover it is loosely formed you can make a judgment that the deterioration of refrigerating effect is due to the accumulation of refrigerating oil left in the evaporator tubing ...

Page 32: ...is lower the gas discharge tube feels rather cold no sound of gas eruption from the liquid in the evaporator can be heard and no will gush out of the process tube if you cut it open after shutdown Remedy Check the whole machine particularly those locations which are liable to leak After leak points have been found repair them or replace them with new parts according to specific circumstances then ...

Page 33: ...s clogged point generally in the capillary or the connection joint of the filter may cause the refrigerant to flow through partially resulting in some corresponding change whereas in that case if you heat it with a hot towel no reaction will happen no flowing sound can be heard moreover there is no periodic change After rejecting the possibility of ice clogging it can be generally considered as th...

Page 34: ...relay shut off the power to the compressor and stop it In the following we discuss mainly the reasons for causing excessively high gas discharge pressure and low suction pressure 1 Stoppage due to excessively high gas discharge pressure a Too much refrigerant charged into the system Analysis of Trouble The phenomenon such as loose frosting and poor refrigerating effect may occur if excessive refri...

Page 35: ... this cannot be achieved and the stoppage still occurs repeatedly it is most likely that the mechanical parts or contacts are out of order disassemble the thermostat make a thorough checkup and repair it b Overload of electric motor Analysis of Trouble Probably too many things have been put into the refrigerator and hence the thermal load exceeds its refrigerating capacity or in case the power sup...

Page 36: ...f order the motor will not run and hum sound can be heard from it after the compressor is turned on in that case shut it down immediately otherwise the motor windings will be burned out in case this condition lasts longer c Check the relay contacts and plugs to see if they are perfect and work reliably Poor contact may cause the motor not running or humming 2 Check the circuit voltage to see wheth...

Page 37: ...is malfunctioning and makes the compressor running continuously Analysis of Trouble When the thermostat doesn t work normally it will make the compressor run continuously and hence very low temperature will be achieved in the refrigerator The fault is generally due to the fact that the contacts of the thermostat cannot be released Remedy Dismantle the thermostat and make a through checkup if it is...

Page 38: ...se has become live due to faults occurred in some electric devices or the erroneous wiring in installing power cord plug or outlet by the user This is very dangerous 3 Electric leakage test a Slight electric leakage A tingle sense will be experienced as soon as you touch the metal parts of the refrigerator with your hand When you test them with a test pencil its neon lamp will come on In that case...

Page 39: ... strike against the case moreover the wear of compressor parts may cause noise sometimes 3 Resonance of tubing and loosening of parts Improper and compact laying of tubes or the loosening of parts may cause vibration and noise 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 ...

Page 40: ...SERVICE MANUAL Model HRF 663ISB2 40 Issue 2010 01 Rev Ref1001S015V0 Sincere forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com ...

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