Haier HB21TNN Manuale utente
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
p
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
Black
- / -
- / -
Number
Type (gr=grill/g=glass/p=plastic)
g
Colour of shelves
Adjustable
S
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
YE
4
English-French
2
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).
ı
ı
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.
Indice
Altri manuali Haier Frigorifero
Haier
Haier PRFS25 Manuale utente
Haier
Haier HRF-393 Manuale utente
Haier
Haier HT SERIES Manuale utente
Haier
Haier HTC-60H Manuale utente
Haier
Haier HSE03WNA Manuale utente
Haier
Haier HRF-416KAASS Manuale
Haier
Haier HRF-183 Manuale di istruzioni
Haier
Haier BC-117A Series Manuale utente
Haier
Haier HB20FPAAA Manuale utente
Haier
Haier HYC-509 Manuale utente
Haier
Haier AES27 Manuale utente
Haier
Haier CFL Manuale utente
Haier
Haier HRF-662RSS Manuale utente
Haier
Haier JR-N100C Manuale utente
Haier
Haier HRF-356KAASS Guida all'installazione
Haier
Haier AFL631 series Manuale utente
Haier
Haier HYC-68 Manuale utente
Haier
Haier 02-200694 Manuale utente
Haier
Haier HR-60FW Manuale utente
Haier
Haier HCR3818ENMG Manuale utente
