Haier HRB-271 User manual

CAUTION
READ THIS MANUAL CAREFULLY TO
DIAGNOSE TROUBLE CORRECTLY
BEFORE OFFERING SERVICE
SERVICE MANUAL
Refrigerator
Features :
1. Optimized condensing system.
2. Pre-cooling for defrosting for freshness storage.
3. Intelligent operation for automatic operation.
4. Automatic problem detecting and warning system,
door cooling warning system.
MODELS :
HRB - 306
HRB - 331
HRB - 271
HRB - 331MPE

CONTENTS
CONTENTS
SAFETY PRECAUTIONS.
SPECIFICATIONS.
PARTS IDENTIFICATIONS
DISASSEMBLY.
Refrigerator door ( Gasket ).
Freezer door.
Lock Supporter.
M / F duct.
Louver freezer.
CONTROL AND DISPLAY SYSTEM.
The function of key.
The control of key.
REFRIGERATION PRINCIPLE
System flow chart.
System flow serograph.
CIRCUIT DIAGRAM
Brief principle diagram.
PCB diagram.
TROUBLE SHOOTING.
No cooling.
The compressor doesn’t stop
Cooling capacity is insufficient
The compressor doesn’t stop.
Normal phenomena-Not trouble for refrigerators.
Three essentials for checkup.
Analysis of troubles and troubleshooting.
EXPLODED VIEW
SPARE PARTS LIST.
7
6
5
2
1
11
12
14
16
42
44

SAFETY PRECAUTIONS
This appliance uses 220-240V / 50Hz Ac for power Supply
failure in operation and damage to the control panel.
the moisture of the compressor will occur if voltage is
outside the range 187-242V unless a regulator
with a capacity 750W or higher is installed
It is required to use separate dedicated outlet with
securely grounding
The power cable of this appliance is fixed with three-core
(grounding) plug complying with three-core (grounding)
outet. In no case should the third plug pin ( grounding )
of the power cable be cut or removed
In case of damaged power cable
when the power cable or plug has been warned is
profiled to continue to use il in this case. It is required
t re la e t y cor athiz d e ie h po pc i b fa t y u or e srv c so.
When there is leakage of inflammable gas
Close the valve of leaking gas
Open doors and windows
Neither try to drag nor insert any power plug for
any electrical unit such as refrigerators.
Do not damage power cable
Be sure not to pull out the plug on the appliance
By drawing the power cable. Be sure to directly pull
Out it on the outlet by rigidly grasping the plug.
Do not cause the appliance body press the power
Cable, nor should any people lead on it.
When moving the appliance from wall, be careful
Not to roll or damage power cable.
Please pull out power plug under the following
situations:
Pull out power plug prior to cleaning or repairing
When replacing damaged lamp.it is required to pull
out power plug to prevent electrical shock
2

3
It is absolutely prohibited to put inside
the appliance hazardous inflammable
or explosive articles,strong corrosive
acid,alkali,etc.
Do not keep medicine,vaccine,or
chemical reagent in the appliance.This
refrigerator is for household use,which
cannot store item with strict requirement
for temperature.
Do not store or use gasoline or other
flammable article in the vicinity of the
refrigerator to avoid fire.
Do not place any electrical plugs,
Regulators or microwaves on top of the
Refrigerator. Do not use electric
appliances (Expect those allowed by
manufacturer) inside the refrigerator.
Do not place heavy or unstable articles
or water containers on top of the
Refrigerator.
Do not play by hanging on its door, to
prevent tilting the door or toppling the
refrigerator to hurt person.
SAFETY PRECAUTIONS

4
When the refrigerator has started
Running ,take care not to touch the cold
surface of the freezer compartment with
hand,especially with wet hand.
Otherwise, your skin is liable to be stuck
on the cold surface.
It is strictly prohibited to privately
dismantle or change the appliance.
For the repair of refrigerator, it can be
carried out by professional only.
At no power supply or when carrying
out cleaning, it is required to pull out the
power plug, and to wait atleast 5
minutes for switching ON it again to
prevent damaging its compressor by
continuous starting.
Do not spray water onto the refrigerator,
or place it in wet area susceptible to be
splashed with water, so as to avoid
influencing the electric insulation
performance of the appliance.
Do not put the bottled beer or beverage
in the freeze compartment to prevent
frost crack.
When the appliance is to be discarded,
dismantle its door, as well as its door
gasket to avoid accident occurred when
a child goes inside for playing.
SAFETY PRECAUTIONS

IOPOSIT N HighMiddle MiddleHighMiddleElectronic
Mod ameel NHRB-271MPR -271MLH B HRB-271RLHRB-306MPHRB-306ML RH B-331MPE
Capa ty (Gross
ci Vol.) 240 240 240 275275 300
Ref i ato
rger r159159 159 194194 219
Freezer 8181 81 818181
Cubeeasurement M 0.61 1
0.6 0.61 0.67 0.67 0.71
ons
Packed Dimensi0x690x
59 1570590x690x1570 590x690x1570 590x690x1730590x690x1730 590x690x1840
o ( )
Pr duct Dimensions WxDxH (mm)575x680x1550 575x680x1550 575x680x1550 575x680x1710575x680x1710 575x680x1820
et ei KN W ght ( g)49 49 49 56.5 56.559.5
es & on
Featur Cveniences
ype O ooli
T f C ng Fr t FroseeFrost FreeFrost FreeFrost FreeFrost FreeFrost Free
Refrigerator Cabinet
Ref p Control Temh (InsMecide)Mech (Inside)Mech (Inside)ech (InsM ide)Mech (Ins e)
id Elect. (outsi )de
Cabiet shelfn 2 (Glass)2 (Wire)+ Trim (Blue) (
2 (Wire)+ TrimBlue) 3 (Glass)3 (Wire)+ Trim (Blue) s
3 (Glas)
Cri pers 1 (GPPS, Transparent)S1 (GPP , Transparent) ( P S, Transparent)
1GP1 (GPPS, Transparent)P S Tr parent)
1 (G P , ans S
1 (GPP , Transparent)
Crisper cover 1 (GPPS, Transparent)Spar1 (GPP , Trans ent) 1 ( P S, Transparent)
GPS1 (GPP , Transparent)P S, Tr parent)
1 (G P ans S par
1 (GPP , Trans ent)
um i
H idity Control Str pYes (2) Yes (2) Yes (2) Yes (2) Yes (2) Yes (2)
ato BTom in Sr1 (GPP , Transpa ent) --P S Tr parent)
1 (G P , ans -P S, Tr parent)
1 (GPans
ght
Interior Li Insiack(14)de,B Ek
Inside,Bac (E14)Insi ack 14)
de,B(Ek
Inside,Bac (E14)i ack 14)Ins de,B(Eik )Insde, Bac (E14
VC-FreshYSE YES S
YE YSE NOYES
eod i on
Dorzati ON NONOON NOON
Atable Thermos ontrol
djustat CCont ol hand (in fridge)
r by t
Conrol by hand (in fridge) ont
Crol by hand (in fridge) Cont ol by hand (in fridge)
r ont ol
Cr by hand (in fridge) Cont ol by hand (in fridge)
r
Refrigerator Door
Door PanelPM/V M
CCPainted Painted PM/VCM
CPainted VM/PCM
C
Door Rack Upper1 (GPPS, Transparent) S r
1 (GPP , Transpaent)1 ( PS, Transparent)G P S
1 (GPP, Transparent) PS Tr parent)1 (G P , ansS1 (GPP , Transparent)
Door Rack Big1 (GPPS, Transparent)S par )
1 (GPP , Trans ent1 ( P S, Transparent)
GPS
1 (GPP, Transparent) (P S, Tr sparent)
1 G Pan S par
1 (GPP, Transent)
oor
D Rack Bottom S
1 (GPP , Transparent)P S Tr parent)
1 (GP, ans 1 (GPPS, Transparent)S par
1 (GPP, Transent)1 ( P S, Transparent)
GPS r parent)1 (GPP, T ans
Egg Tray S ar
1 (GPP , Transpent)1 ( P S, Transparent)
GP1 (GPPS, Transparent)PS Tr parent)1 (G P , ans1 (GP S, Transparent)
PPS, Tr parent)1 (G P ans
al ii
H f Wdth Bn---(P S, Tr nsparent)1 G P a1 (GPPS, Transparent)3 ( P S, Transparent)G P
al i i overH f W dth B n C---1 ( P S, Transparent)
GP1 (GPPS, Transparent)1 (GP S, Transparent)P
Handle Yes (wth chrome deco)i o)
Yes (with chrome decY (w hr e deco)
esith c om Yes (with chrome deco) ( o)
Yeswith chrome deco)
Yes (with chrome dec
Handpele TyOutside uts
Oideuts
Oideuts
O ide Outside uts
Oide
Ref i ato Door ask
rgerr G et Knock DownK Dnnock ow K k D nnoc ow D nKnock owKk D nnoc ow K D nnock ow
Lock 1 (for both door)1 (forth door bo)1 (for both door)1 (for both door)1 (for both door)1 (fordoor both )
Braond Log Logo Logogo
Lo Logo Logo Logo
e C
Fr ezerabinet
ef
D rost Type Frost Free F t Fr
ros ee Frt Fr
os ee FFrost reeFrost Free F t F
ros ree
abi hel
Cnet S f -2 (Wire)2 (Wire)-2 (Wri e)-
e Tray
Ichi2 (PP
, W te) 2 (P hiP
, W te)2 (P hiP, W te)2 ( hiPP
, W te) 2 (P hiP
, W te) 2 (P hi
P
, W te)
e Mak s yTwist Ic er A sembl ( IP e)1 H S, Opaqu1 (HIPSpaque)
, O1 (HIPS, Opaque) 1 (HIPS paque), O 1 (HIPS, Opaque) 1 (HIPS paque), O
Ice C i
ube B n 1 ( IPSpaque)
H , O1 (HIPS, Opaque)1 (HIPS, Opaque)1 (HIPSpaque)
, O1 (HIPS, Opaque)1 (HIPS Opaque)
,
Ice-C eam oxr B1 (GP S, Transparent)P --1 (GPPS, Transparent) -1 (GPPS, Transparent)
Middl rawer
e D 1 (GPPS, Transparent)--1 (GPPS, Transparent)-1 (GPPS, Transparent)
B tom Drawoter 1 (GPPS, Transparent)1 (Wire) 1 (Wire) 1 (GPPS, Transparent)1 (Wire) S
1 (GPP , Transparent)
Freezer Compartment erior ght
Int Li No No No NoNo No
e DFr ezer oor
oor P
D anel PCM/VCM PaintedPaintedPCM/VCM PaintedVCM/PCM
oor RD ack------
andH leYS
EYES S
YEYS
EYES YES
and peH le TyOutsde
isOut ideutsO ideOutside utsO ideOutside
F er oor G et
reez D ask Knock Down D n
Knock ow D n
Knock ow Knock DownK D nnock ow DKnock own
Other
Bk Panelac Steel Steel Seel
tSteel Steel Steel
Eterior Appear e/Installationx anc
Table op/U-shell
tU-Shell -
U Shell -S l
U helU-Shell -S
U hell -
U Shell
Exterior Door Design ePr ssedP e edr ssePr ssed P e edr ss Presed
sP e edr ss
ear CR ompressor Cover NoNoo
NNooN No
e Lev egsAdjustabl eling l 2 Fr t
on 2 Front 2 Front 2 Front 2 Front 2 Front
olR lers 2 Back 2 Back2 B kac2 Back 2 Back 2 Back
S ver-Moonil Sver-Pil aint Burgundy-Red Sver-H neil airliSlver-Pnti ai seelStainles St
Note: A aier, Imp ovement is a con inuos pr pecification ge anytime withou rior otice
t H r t ocess, S s may chan t p N
O
CLOR
HRB-2 1
7HRB-3 6
0
5

6
PARTS IDENTIFICATIONS
Ice Tray
Ice Bin
Half Drawer
Middle Drawer
Bottom Drawer
Assy Cover
Vegetable Box
Vegetable Box
Shelf
Door Rack
Cover Lamp
Ref
Bottle
Separator

44 7
REFRIGERATOR DOOR
1.Remove the hinge cover by pulling it up.
2.Loosen hexagonal bolts fixing at upper hinge to the body and lift the
refrigerator door
3.Pull out the door gasket to remove from the door foam Ass'y.
DISASSEMBLY

8
DISASSEMBLY
FREEZER D OOR
1.Loosen bolts fixing the hinge M to the body and lift the freezer door.
2.Pull out the door gasket to remove from the door foam Ass'y.
LOCK SUPPORTER
1.Loosen screw fixing the lock supporter to the body.
2.To remove the lock supporter, pull out it as shown in figure.
SCREW
LOCK SUPPORTER

44 9
M/F DUCT
1.Loosen screw fixing the m/f duct to the body.
To remove the cap screw.
2.Take out the m/f duct.
DISPLAY COVER (MPE Model Only)
1.To remove the cover of the display panel,
Loosen screw fixing the display panel to the door.
DISASSEMBLY