Haier HB21TNN Скачать руководство пользователя страница 17 | Manualshive

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CONTROL AND DISPLAY SYSTEM

ǃ

Fault Display

When a fault with a control or function is detected, the refrigerator temperature display and the
freezer temperature display will disappear while the fault codes will be displayed, i.e. E0, E1, E2,
F1, F2, F3, F5 and F6, etc. In this case, please call the service center for information and
support.

ǃ

Lock & Unlock

Under the Unlock mode, the Lock / Unlock button (F) may be tapped to display the Lock
icon (J) and enter into the Lock mode. To quit the Lock mode, tap the Lock / Unlock button
(F) again. The Lock icon (J) will disappear.
NOTE: Controls for selecting temperatures in refrigerator and freezer compartments
and functions such as fast freeze, fast chill and AI (artificial intelligence)
cannot be operated under the Lock mode.

5

3

1

5

3

1

F

J

indication

NO.

item

F SET R SET

content

remarks

1

normal

Set temperature

no

key-press normal

2

F SNR error

F2

normal

F SNRshort circuit or open

circuit

3

RT SNR error

F3

RT SNRshort circuit or open

circuit

4

R SNR error

F1

R SNRshort circuit or open

circuit

5

D SNR error

F5

D SNRshort circuit or open

circuit

Check all

sensor’sconnection

6

F FAN error

E1

no signal, More than 30s

˄

exclude AC motor

˅

cable

ˈ

IC driver

ˈ

TR

error

˄

cancelling for the

time being

˅

7

C FAN error

E2

no signal, More than 30s

˄

exclude AC motor

˅

cable

ˈ

IC driver

ˈ

TR

error

˄

cancelling for the

time being

˅

8

Defrosting error

normal

Ed

cannot reach 7

ć

ˈ

2 hours

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Содержание HB21TNN

Страница 1: ...UAL Features 1 Chill drawer for delicatessen 2 Slide out shelf for easy food access 3 Artificial Intelligent AI design 4 CFC free and frost free deep freezing enabled by efficient air cooling system 5 Air Curtain technology MODEL H B 2 1 T N N Haier Group 6 Vitamin C technology for fresh food storage 7 Ice making ...

Страница 2: ... flow scenograph 19 CIRCUIT DIAGRAM 20 Brief principle diagram 20 Connect diagram 20 SENSOR POSITION 21 ELECTRICAL CONTROL PRINCIPLE 22 Overview 22 Main Control Board of HB21T 22 Air Escaper Controlling Pinciple 23 Refrigerator Test Model 24 Fan motor control 24 Defrosting Control 25 TROUBLE SHOOTING 27 41 Normal phenomena not troubles for refrigerators 27 Troubles in Refrigerators and Their Remed...

Страница 3: ...weight of refrigerator or treading 2 Be careful not to damage the power cord when moving the appliance away from the wall GǃWhen the power cord is damaged The use of cracked cord or worn plug is strictly prohibited If the power cord is damaged it should be replaced in an authorized service center HǃWhen there is a gas leakage 1 Shut off the gas valve 2 Open the doors and windows for ventilation 3 ...

Страница 4: ...ys keep children away when a door is opened or closed QǃDo not splash water onto the refrigerator Keep off places of high humidity that may have adverse effect on the electric insulation performance RǃNo dismantlement or modification can be made without authorization Damage to refrigeration system is strictly prohibited Reparation must be carried out by authorized personnel SǃBottled beer or bever...

Страница 5: ... H manual A automatic Fridge Freez A Defrost water outlet Ye s Air circulating ventilator Yes Kind of coolant R134a R600a R134a Foaming components C P 3 Technical data Voltage frequency V Hz 220 240 V 50 Input power W 180 Length of cable incl plug cm 350 Temperature range from to Fridge Freez C 22 7 4 Aesthetics Colours see L Top cover Black Cabinet Black Door Door Frame Black Fascia panel Handle ...

Страница 6: ...ow red Over temperature ALARM LED acoustic acoustic Adjustable thermostat NO Fast freeze switch YES Interior light W 25 Adjustable feet front rear n Castors front rear rear 6 Product dimensions Unit dimensions H W D mm 770 910 1770 Depth with open door cm Net weight kg 130 7 Packing dimensions loadability Packing dimensions H W D cm 1 78x98 x185 5 Gross weight kg 143 8 Recycling symbols Carton wei...

Страница 7: ...llon bin Refrigerator compartment Vitamin C Drawer Shelf Wine shelf Movable board Crisper Delicatessen drawer Front cover of delicatessen drawer Dairy bin Gallon bin Freezer compartment Icecream bin Semi automatic icemaker Ice storage bin Freezer drawer Partition wall of freezer drawer ...

Страница 8: ... screwdriver and then remove the hinge ĹRemove the door and place it in a proper position ĺ Remove the middle hinge if necessary ĻReplace the door in a reverse sequence of removal 2 Removing and replacing the left door of refrigerator compartment ķUnscrew the upper left hinge cover by means of screwdriver and then remove the hinge cover ĸUnscrew the upper left hinge by means of hexagonal screwdriv...

Страница 9: ...ersal sequence to removal 4 Removing Replacing Door Handle Take out the door handles from the refrigerator compartment 2 longer handles to be installed on the refrigerator and 1 shorter handle to be installed on the freezer The following instructions should be observed Removing Replacing Refrigerator Door Handle Get 2 fasteners out of the accessory bag and place them in 2 reserved holes in the lef...

Страница 10: ... food shelf at the upper left corner Place the glass shelf downward on a table Then take out the wine shelf from the delicatessen drawer at the bottom Hold the wine shelf at both ends attach it to the food shelf as shown below in Fig 1 and then push it in place as shown below in Fig 3 ı ı 6 Installing front cover of delicatessen drawer Open the door of refrigerator compartment Take out the front c...

Страница 11: ...he legs should be installed as illustrated into the reserved holes by the other person I 8 Installing Legs Leg Reserved hole 9 Height adjustable Shelf The height of shelf can be adjusted to meet your storage needs To adjust the shelf height remove the shelf first The steps are as follows tilt the shelf up at front and lift it up and out of tracks To replace the shelf with shelf front raised slight...

Страница 12: ... similar items to be stored at low How to use the ice cream bin 1 To take out the ice cream bin get the handle of it and pull it towards you 2 To clean the ice cream bin follow these instructions ķ Pull the ice cream bin out to the stop position ĸLift the ice cream bin up in the direction indicated by Arrow 1 and remove it from the refrigerator in the direction as indicated by Arrow 2 Ĺ Replace th...

Страница 13: ...se a bulb over 25W Unplug the appliance ķTo remove the light shield press the stopper at rear out of the square hole ĸ Pull the shield backward until the retainer is separated from the square hole Turn the bulb anticlockwise and out Replace a bulb of the same specifications in the reverse sequence of removal To replace the light shield Engaged the retainer into the square hole and then press the s...

Страница 14: ...nd fruit storage You can set the humidity to meet your storage needs 1 Turn the humidity regulator located at the upper right corner of the crisper up to get a higher humidity suitable for storage of cucumber grape kiwifruit and persimmon etc 2 Turn the humidity regulator located at the upper right corner of the crisper down to get a lower humidity suitable for storage of strawberry orange bean ga...

Страница 15: ...y and then place it in the freezer 2 To get ice cubes turn the knobs on the icemaker respectively and the ice cubes will be collected in the ice storage bin 3 The ice cubes in the ice storage bin are ready for use Knob on icemaker Ice storage bin Limit of water level Icemaker ...

Страница 16: ...rigerator temperature display H Freezer temperature display I Fast chill icon J Lock icon K Fast freeze icon L AI icon ǃAI Mode The AI mode means there is no need for manual intervention and the temperature setting will change automatically along with the ambient temperature and the inner temperature Under the Unlock mode the AI button D may be tapped to display the AI icon L and activate the AI m...

Страница 17: ... in refrigerator and freezer compartments and functions such as fast freeze fast chill and AI artificial intelligence cannot be operated under the Lock mode 5 3 1 5 3 1 F J indication NO item F SET R SET content remarks 1 normal Set temperature no key press normal 2 F SNR error F2 normal F SNRshort circuit or open circuit 3 RT SNR error F3 RT SNRshort circuit or open circuit 4 R SNR error F1 R SNR...

Страница 18: ...eze button E again The Fast Freeze icon K will disappear NOTE When making ice you may select Fast Freeze to speed up ice making process and quit Fast Freeze after the ice making process is completed 5 3 1 5 3 1 E K ǃFast Chill This function is intended for retaining nutrients contained in the food stored in the refrigerator by chilling the food to the desired temperature within a short period of t...

Страница 19: ...s reached Tap the button once more the refrigerator temperature will return to Setting 1 7 C The display sequence is as follows Setting 1 7 C Setting 2 5 C Setting 3 3 C Setting 4 2 C Setting 5 1 C Setting 1 7 C 5 3 1 5 3 1 C G L A H To set the freezer temperature Under the Unlock mode the display screen is on the freezer button C may be tapped The freezer temperature display H will glisten Each t...

Страница 20: ...d the refrigerator temperature control button A 3 seconds to turn off the refrigerator The refrigerator temperature display G will disappear while the refrigerator light will remain functional Hold the refrigerator temperature control button A 3 seconds to turn on the refrigerator The refrigerator temperature display G will illuminate and the normal operation of refrigerator compartment will be re...

Страница 21: ...REFRIGERATION PRINCIPLE SYSTEM FLOW CHART SYSTEM FLOW SCENOGRAPH １２３４５６７ ...

Страница 22: ...CIRCUIT DIAGRAM 1 Brief principle diagram 2 Connect diagram ...

Страница 23: ...Sensor Position 1R 6SDUH SDUWV GHVFULSWLRQ 6SDUH SDUWV FRGH 3ULFH UURU FRGH 5HIULJHUDWH VHQVRU QYLURQPHQW VHQVRU HIURVW VHQVRU UHH HU VHQVRU ...

Страница 24: ...eater of fridge air escaper Measurement of the two wires gives the output voltage DC 12V and the resistance 144Ω 10 of the heater 7 10 Connect to air escaper motor CN4 Parts from left to right are 1 2 Connect to Freezer sensor We can check the resistance of freezer sensor by tests these two wires The resistance range of freezer sensor should be 10 9 25 19KΩ if it works right correspond to 10 25 Th...

Страница 25: ...power filter board CN12 is the power supply for the power filter board Parts from up to right are 1 2 Connect to ground line 3 4 supply DC 12V voltage 5 6 supply DC 16V voltage CN13 Connects to the live line of power cable CN14 Connects to the null line of power cable 3 Air Escaper Controlling Pinciple 1 Air escaper s open and close is controlled by fridge sensor R SNR 2 Air escaper is closed from...

Страница 26: ...t girder heater of Freezer horizontal girder heater of water enter pipe for ice maker and heater of fridge damper to switch on during this time the lamps in fridge and freezer room are all off and display screen Power of test should be 25 4W here 5 Fan motor control 5 1 Freezer fan motor control The freezer fan motor is controlled by main control panel according to these following conditions The s...

Страница 27: ...up 7 centigrade The compressor is stop and fridge air escaper is close when defrosting The first defrosting cycle start after compressor has running more than accumulative total 4 hours if the product is powered initially or reset the control board After defrosting if the compressor has running more than accumulative total 4 hours product will controlled according to a Fridge sensor temperature is...

Страница 28: ...utes the air escaper ON OFF will control according to the temperature If the freezer sensor temperature is lower than stopping point it will wait until the temperature come back to the top of stopping point Then the cooling fan motor will start running after the compressor has worked 5 minutes the air escaper ON OFF will control according to the temperature Advance Cooling before Defrosting In ord...

Страница 29: ...ter 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 uniform sound whil...

Страница 30: ...ds 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 pressure values high pressure and low pressure of compressor to see whether they are normal c Check the conditions of frost attached to its evaporator and gas return t...

Страница 31: ...s heat for only several minutes and then cools down this means that the filter and capillary have been clogged As for the forced air cooling condenser hot air will be blown out of it this means that the system is out of order c Feel the filter s temperature During the normal operation of refrigerating system the temperature on the filter s surface should be a little higher than the ambient tempera...

Страница 32: ... potential leak points do exist in the system In troubleshooting pay attention to those parts that are liable to leak check main connection points for oil seepage and tubing for cracks If there is no severer leak point charge the system with nitrogen and detect leak points with the commonly adopted method repair them evacuate charge the system with refrigerant and then turn on the refrigerator to ...

Страница 33: ...condition that the refrigerant in the system is unchanged This phenomenon occurs mostly when the compressor has been used for quite a long time its moving parts have worn to a considerable degree fit clearance between various parts have increased and sealing property of its gas valve has deteriorated resulting in an decrease in its actual gas discharge capacity Methods of Judgment Measure the high...

Страница 34: ...ring it thoroughly recharge the system with refrigerant 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 not drop down is called no refrigerating There are many causes for this trouble and it is relatively complicated too In servicing special attention t...

Страница 35: ...s heard and the gas suction pressure rises as well it can be confirmed that the trouble is caused by ice clogging Remedy If there is too much moisture in the refrigerating system it is advisable to release the refrigerant purge the tubing with nitrogen and then charge the system with the filtered refrigerant However the commonly adopted method is to connect a filter with moisture absorbers such as...

Страница 36: ...similar symptoms In repairing firstly hear attentively if there is some abnormal sound coming from the compressor sometimes the broken pieces of valve block may strike against the cylinder and feel the compressor casing with your hand to ascertain whether it is too hot this is also helpful to the troubleshooting secondly measure the pressures at the high and low pressure ports of the compressor wi...

Страница 37: ...od not too long thus making the protective relay actuate and bring to a stoppage Remedy Check up how the air has been left in the refrigerating system Generally there are two possibilities one is that the air has been sucked into the system when repairing due to carelessness or it has not been purged out totally when evacuating the system the other is that there are leak points at the low pressure...

Страница 38: ...s desired value the thermostat will shut down the compressor automatically Never take this normal operation as a trouble care should be taken to differentiate it from other real troubles in servicing D Compressor won t start In case the compressor cannot be started you must find out the origins of this trouble through checkup step by step because probably there are many causes including those elec...

Страница 39: ...rmal relay sometimes may be open due to the leakage of temperature sensing agent from the temperature sensor Remedy Remove the relay cover to check up its contacts if they are open this means that the original setting is not properly set or temperature sensing agent has leaked out of the temperature sensor Try to turn the adjusting stem of this value in the direction of the lower temperature gradu...

Страница 40: ... 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 as insufficient quantity of lubricant clogging in the lubricant oil line or intermittent lubricant oil supply Dirt and other impurities in the lubricant oil will increase ...

Страница 41: ...e to the fact that the contacts of the thermostat cannot be released Remedy Dismantle the thermostat and make a through checkup if it is totally out of functioning replace it with a new 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 re...

Страница 42: ...ccurred 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 the first thing you need to do is...

Страница 43: ... loosening of parts Improper and compact laying of tubes or the loosening of parts may cause vibration and noise 4 Large noise of the fan a The fan motor is loose b Noise is produced by normal operation of the fan c The impellers are not tightly fixed or eccentrically assembled Remedy For reason a Fasten the fan motor For reason b or c Replace the fan motor or impellers 5 Inspection method To find...

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