Order No.Ref1104S023V0
© 2011(HAIER ELECTRICAL APPLIANCES COR. LTD)
All rights reserved. Unauthorized copying and distribution is a violation of law.
Refrigerator
SERVICE MANUAL
MODEL: HRFZ-307AA
HRFZ-307AAS
Haier Group
This service information is designed for experienced repair 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 information by anyone else could result in serious injury or death.
WARNING
SERVICE MANUAL
Model: HRFZ-307AA,HRFZ-307AAS
2
Issue 2011-04-23
Rev. Ref1104S023V0
Contents
Table of Contents ·········································································································· 2
1. General Information ·································································································· 3
2. Product Specification ······························································································· 4
3.
Cooling System Scenograph ··················································································· 6
4. Circuit diagram ·········································································································· 7
5. Trouble shooting······································································································· 8
3
Chapter 1 General Information
1. Check if there is any leak of current.
2. Cut out the power supply before the repair to avoid an electrical shock hazard.
3. In the case of a live-line test, insulating gloves should be worn to avoid potential electrical shock.
4. Confirm 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 avoided.
8. If there is a breakdown with the refrigeration system, please surrender the machine to the
service center, else the leaked refrigerant may pollute the atmosphere
.
9. The refrigerator use AC of 220V with a frequency of 50Hz.
10. A bi g f luctuation of v oltage (ex ceed the range 187～242V) m ay cause a start failure of t he
refrigerator, a burn-out of the control panel and compressor, or an abnormal sound from the compressor
in operation. In this condition an automatic voltage regulator should be added.
11. Take care not to damage t he supply line. Don ’t yank at t he line; pul l the plug out gent ly f rom the
receptacle. Don’t press the line under the cabinet or step on it. Take care not to roll on or damage the
supply line when moves the machine from the wall.
12. In t he case of leakage of i nflammable gas es l ike carbon monoxide, ope n the door and wi ndows.
Don’t pull out or insert the plugs of the appliance.
13. Don’t t ouch t he refrigeration s urface of the f reezing compartment when t he ref rigerator i s i n
operation, especially when your hand is wet, else you may be glued to the surface.
14. Pull out the plug of power supply during clearance or po wer outage. Wait at least five minutes to
resume the power supply in order to 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.
SERVICE MANUAL
Model: HRFZ-307AA,HRFZ-307AAS
Issue 2011-04-23
Rev. Ref1104S023V0
4
Chapter 2 Product Specification
SERVICE MANUAL
Model: HRFZ-307AA,HRFZ-307AAS
Issue 2011-04-23
Rev. Ref1104S023V0
Product Type 55CM Combi-Mechanical
Model No. HRFZ-307AA
Volume/Capacity
Gross Volume Total (l) 249
Gross Volume Freezer (l) 71
Net Volume Total (l) 240
Net Volume Fridge (l) 175
Net volume freezer (l) 65
Cooling System
SU60CY
Compressor Type & Number Hermetic / 1
Refrigerant (R600a/R134a) R600a/62g
Foaming Agent C-Pentane
Power Voltage 220-240v/50Hz
Power Input (watt) 100
Power Plug Type Schuko
Condensor Type Hidden
Temperature Control Mechanical
Climate Class N, ST
Energy Class
A/A+
Product Photo
Energy
Class
A/A+
Energy Consumption (kWh/24h) 0.83/0.63
Energy Consumption (kWh/year) 230/303
Noise Level dB(A) 39
RoHS compatible Yes
General Feature
Number of Doors 2
Plastic Top Cover Yes / Behind door
Reversible Door No
Door lock No
Handle Type & Material Recessed / ABS
Door Type Round corner
Door Panel Material & Color VCM / Silver striation
Cabinet Color White
Fridge Compartment
Evaporator Type Hidden
Defrost Automatic
Drain pan (Material/no.) HIPS/1
Interior Lamp Yes/1W
Adjustable shelf type / number Glass / 3
5
SERVICE MANUAL
Model: HRFZ-307AA,HRFZ-307AAS
Issue 2011-04-23
Rev. Ref1104S023V0
Crisper cover type / number Glass / 1
Crisper Drawer Material / Number / Color PS / 2 / transparent
Door Balcony Material /Number /Color PS / 4 / transparent
Door Rack Number Material /Number /Color No
Butter and cheese compartment No
Beverage bottle bin 2.0L
Egg Tray No
Freezer Compartment
Freezer Rating 4 Star: -18℃
Freezing Capacity 3.0 kg/24h
Evaporator Type Visible
Defrost Manual
Freezer Drawer Type / Number / Color PS / 3 / transparent
Freezer Flap Type / Number / Color No
Ice Cube Tray No
Freezer shelf (Material/No.) No
Dimension
Dimension Product (mm) W550 x D580 x H1660
Dimension Package (mm) W575 x D605 x H1700
20' / 40' / 40'HC Quantity (piece) 49/106/106
Weight (kg) Net / Gross 53/58
6
Chapter 3 Cooling System Scenograph
SERVICE MANUAL
Model: HRFZ-307AA,HRFZ-307AAS
Issue 2011-04-23
Rev. Ref1104S023V0
7
Chapter 4 Circuit diagram
SERVICE MANUAL
Model: HRFZ-307AA,HRFZ-307AAS
Issue 2011-04-23
Rev. Ref1104S023V0
8
Chapter 5 Trouble shooting
No Problem Possible Cause What To Do
1
The
refrigerator
does not get
cold at all.
Not plugged in . Plug in
Is the circuit breaker tripped or blown fuse?
Put on the home circuit breaker or
change the new fuse.
Is the refrigerator temperature control
setted at “off”?
Set the temperature control knob at
"4".
2
The
refrigerator
does not get
cold enough.
Is the refrigerator control dialed set to
correct location?
Set it to a colder temperature.
Is the refrigerator placed in direct sunlight
or closely a heat source?
Move the refrigerator to proper
location.
Is the door closed completely? Close the door completely.
Is the door opened too frequently or too
long?
Open the door less often,
Does the door gasket seal properly? Make the gasket sealing properly.
Is the refrigerator overloaded? Load less food into it.
3
The food in the
refrigerator is
frozen
Is the refrigerator control dialed set to
correct location?
Set it to a warmer temperature.
Is the ambient temperature too low? Set it to a warmer temperature.
4
Two sides of
the cabinet are
hot:
condensation
occurs.
Hot-pipe is installed in two sides of
refrigerator. That makes refrigerator's
temperature lower quickly and save the
power consumption
Normal state.
Condensation can occur when you leave
the door open for a long time.
Normal state.
5 Vibrations The refrigerator is not level and firm.
Place the refrigerator in a level
location.
6
The
refrigerator is
noisy.
Water bubbling comes from the refrigerant
circulating of the refrigerator.
Normal state.
Contraction and expansion of the insulation
inside the walls may cause popping and
cracking.
Normal state.
Is the refrigerator unstable or touching the
wall?
Keep the refrigerator leaving the wall.
Is the refrigerator not level? Adjust the refrigerator leveling.
SERVICE MANUAL
Model: HRFZ-307AA,HRFZ-307AAS
Issue 2011-04-23
Rev. Ref1104S023V0
9
7
The door can
not close
properly.
Were the doors not properly installed? Assure the doors installed properly.
Is the door gasket dirty and distortion? Cleaning and flatting the door gasket.
8
The lamp does
not work.
Has the home circuit breaker or fuse
tripped?
Put on the home circuit breaker or
change the new fuse.
Is the refrigerator's door close completely? Assure the door close completely.
9
Operating for
all long time.
Is the ambient temperature too high?
High ambient temperature can cause
long running time
Is the temperature controller in freezer
chamber or in refrigerator chamber is set at
“strong” position
Sets it at a right position.
Too much food is loaded into the
refrigerator and insufficient spaces for
airflow.
Load less food into the refrigerator.
The door were not closed completely or the
gasket not sealing enough.
Close the doors completely or make
the gasket sealing enough.
Open the door too frequently. Decrease the open-door times.
SERVICE MANUAL
Model: HRFZ-307AA,HRFZ-307AAS
Issue 2011-04-23
Rev. Ref1104S023V0
Sincere forever
Haier Group
Haier Industrial Park, No.1, Haier Road
266101, Qingdao, China
http://www.haier.com
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