Haier HB21TNN Bedienungsanleitung

CAUTION

READ THIS MANUAL CAREFULLY TO

DIAGNOSE TROUBLE CORRECTLY

BEFORE OFFERING SERVICE .

Refrigerator

SERVICE MANUAL

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:HB21TNN

Haier Grou

6.Vitamin C technology for fresh food storage

7.Ice making

SAFETY PRECAUTIONS----------------------------------------------------------------1-2

SPECIFICATIONS--------------------------------------------------------------------------3-4

PARTS IDENTIFICATIONS--------------------------------------------------------------5

DISASSEMBLY------------------------------------------------------------------------------6-13

CONTROL AND DISPLAY SYSTEM--------------------------------------------------14-18

Control and display panel----------------------------------------------------------14

Function adjustment and control principle-------------------------------------14-18

Fault Display--------------------------------------------------------------------------15

REFRIGERATION PRINCIPLE----------------------------------------------------------19

System flow chart--------------------------------------------------------------------19

System 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 Remedies-------------------------------24-29

Analysis of Troubles and Troubleshooting------------------------------------30-41

CONTENTS

SAFETY RECAUTIONS

DǃPower supply: AC 220V/50HZ

If the voltage fluctuates violently (beyond 187~242V), it is necessary to use a voltage

stabilizer of 750W or above to prevent startup failure, damaged control board or

compressor, or unusual noise.

EǃThe appliance must be plugged into a dedicated outlet that is securely

grounded.

The power cord of this appliance is fitted with the three-prong plug (grounded) that complies

with the standard three-prong outlet (grounded). Never cut off or remove the third prong. The

refrigerator should be located so that the plug is accessible.

WARNING! The plug should be securely connected to the socket or otherwise

fire hazard may arise.

FǃBe careful not to damage the power cord.

1. Always pull at the plug other than the cord itself to disconnect the appliance from the outlet.

Route the power cord in a way to eliminate the risk of damage caused by the 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. Do not plug or unplug the refrigerator or other electric appliances.

IǃAlways remember to unplug the appliance in the following cases:

1. Unplug the appliance before cleaning and reparation.

2. Unplug the appliance before replacing the old light bulb to prevent electric shock.

JǃNever store inflammable or explosive items and strong corrosive acids or

alkalis in the appliance.

KǃThis appliance is a household refrigerator, which is produced in accordance

with the specification of national standard. It is intended for food storage only,

not for storage of blood, medicine and biological products.

LǃTo prevent risk of fire, keep the appliance away from gasoline or any other

inflammables.



SAFETY RECAUTIONS

MǃTo prevent risk of electromagnetic interference or other accidents, do not

place any patch panel, voltage stabilizer and microwave oven on top of the

refrigerator or use any electric appliance (unless recommended by the

manufacturer) inside the refrigerator.

NǃChildren are not allowed to play with the door or the bottle racks. Serious

injury may occur.

OǃThe internal surface of freezer compartment is very cold when the

appliance is running. Do not touch the surface especially when hands are wet.

PǃThe gap between the doors and the gap between the doors and the

cabinet are very small. Make sure figures do not get stuck. Always 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 beverage should not be stored in the freezer

compartment - risk of explosion.

TǃUnplug the appliance in the event of power interruption or cleaning.

The appliance can be plugged again only after an interval of at least 5 minutes

to prevent damage to the compressor caused by frequent startups.

UǃPlease remove the door, door seal and shelves before disposal of the

old appliance and put them away in a safe place to prevent children from

being entrapped.



SPECIFICATIONS



REFRIGERATOR





 

1. Model



HB21TNN

Photo



Commercial brand



Haier

Product description REFRIGERATOR-FREEZER

Type of Appliance (FS= freestanding BI= built-in) FS

Energy efficiency class /

Climate class (N= + 18-32 °C T=+ 18-43 °C) SN/N/ST

Freezer compartment / Star rating 



2. Key features

 

Gross capacity l588

Total net capacity l 557

Defrosting (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 

Inside door/-drawers (w=white t=transpar.) - / -

Door:  

F= Flat / R= Rounded / S= Streamline S

Hinged (r =right l =left) / reversible) 

Lock 

Shelves:  



Black

- / -

Number



Type (gr=grill/g=glass/p=plastic)



Colour of shelves



Adjustable



Drawers:  

Number n°.

Crisper: 

Salad crisper(s) transparent / white transparent

5. Equipment & Accessories  

Control Panel:  

Control panel interior / exterior Exterior

Thermometer interior / exterior Ex terior

Control lamps green / yellow / red  

Over temperature ALARM LED / acoustic acoustic

Adjustable thermostat NO

Fast freeze switch YES

Interior light W25

Adjustable feet front / rear n°

Castors front / rear rear

6. Product dimensions  

Unit dimensions H / W / D mm770*910*1770

Depth with open door cm

Net weight kg 130

7. Packing dimensions & loadability  

Packing dimensions H / W / D cm 1 78x98x185.5

Gross weight kg 143

8. Recycling symbols  

Carton weight in g kg 

9. Service  

Users instruction (languages) 

10. Others  

English-French



fron t

PARTS IDENTIFICATIONS

Refrigerador light

Dairy bin

Vertical beam

Cover of crisper

Gallon 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



DISASSEMBLY

1. Removing and replacing the right door of refrigerator compartment

ķUnscrew the upper right hinge cover by

means of screwdriver and then remove

the hinge cover.

ĸUnscrew the upper right hinge by means of

hexagonal screwdriver and then remove the hinge.

ĹRemove the door and place it in a proper

position.

ĺRemove 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 screwdriver and then remove the

hinge.



DISASSEMBLY

ĹRemove the door and place it in a proper

position. ĺRemove the middle hinge if necessary.

ĻReplace the door in a reverse sequence of removal.

3. Removing & Replacing Freezer Drawer

ķPull out the freezer drawer entirely and

remove it from the refrigerator.

ĸRelease the buckles on both sides and pull out

the drawer door in the direction shown on the

slideway and remove it from the refrigerator.

ĹReplace the freezer drawer in a reversal 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 left door.

Install a handle by attaching the reinforcing plate to the fasteners and then pushing the handle

downwards into its place. Install the right handle in the same way. To remove the handle, push it

upwards.

Fig 1 Fastener

Reinforcing plate



DISASSEMBLY

Removing & Replacing Freezer Door Handle

Get 2 fasteners out of the accessory bag and place them in 2 reserved holes in the freezer

door. Install a handle by attaching the reinforcing plate to the fasteners and then pushing the

handle leftwards into its place. To remove the handle, push it rightwards.

Fastener

Reinforcing plate

5. Installing wine shelf

Open the door of refrigerator compartment. Take out the 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).

6. Installing front cover of delicatessen drawer

Open the door of refrigerator compartment. Take out the front cover of delicatessen drawer from the

crisper cover. Then place the rotary shaft at both ends of the delicatessen drawer into the supporting

slot of the slide guide, and turn the front cover of delicatessen drawer down.



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