Haier CHM11BPL3 User manual

2020
©All right reserved. Unauthorized copying and distribution is a violation of law.
Chest Freezer
SERVICE MANUAL
MODEL：
CHM11BPL3
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

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Contents
Chapter 1 General Information................................................................................................................3
1-1. General Guidelines...........................................................................................................................3
1-2. Insurance Test..................................................................................................................................3
1-3. How to read this Service Manual .....................................................................................................4
Chapter 2 Product Feature......................................................................................................................5
2-1. SPECIFICATIONS............................................................................................................................5
2-2. External views ..................................................................................................................................6
Chapter 3 Installation, adjustments and maintenance............................................................................6
3-1. Installation ........................................................................................................................................6
3-2 Defrosting and Draining.....................................................................................................................7
3-3 Cleaning the Freezer.........................................................................................................................8
Chapter 4 Disassembly ...........................................................................................................................9
4-1. Door assembly (Door, hinge, hinge cover) ......................................................................................9
4-2. Compartment Grill assembly............................................................................................................9
4-3. Control panel assembly (Panel, cover board, knob, indicator light) ..............................................10
4-4. Thermostat assembly.....................................................................................................................10
4-5.Disassemble the handle..................................................................................................................11
Chapter 5 Control and display system..................................................................................................11
5-1. Control panel..................................................................................................................................12
5-2. Starting the Freezer........................................................................................................................12
Chapter 6 System flow principle............................................................................................................12
6-1. Refrigeration flow chart ..................................................................................................................13
6-2. Refrigeration flow scenograph .......................................................................................................13
Chapter 7 Circuit diagram......................................................................................................................14
7-1. Brief principle diagram....................................................................................................................14
Chapter 8 Trouble shooting...................................................................................................................14
8-1. Normal phenomena........................................................................................................................15
8-2. Abnormal phenomena....................................................................................................................16

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Chapter 1 General Information
1-1. General Guidelines
When servicing, observe the original lead dress. If a short circuit is found, replace all parts which
have been overheated or damaged by the short circuit. After servicing, see to it that all the protective
devices such as insulation barriers, insulation papers shields are properly installed. After servicing,
make the following leakage current checks to prevent the customer from being exposed to shock
hazards.
1) Leakage Current Cold Check
2) Leakage Current Hot Check
3) Prevention of Electro Static Discharge (ESD) to Electrostatic Sensitive
1-2. Insurance Test
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 60Hz.
10. A big fluctuation of voltage (exceed the range 187～242V) may cause a start failure of the
refrigerator, a burn-out of the control panel and compressor, or an abnormal sound from the

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compressor in operation.
11. Take care not to damage the supply line. Don’t yank at the line; pull the plug out gently from 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 the case of leakage of inflammable gases like carbon monoxide, open the door and windows.
Don’t pull out or insert the plugs of the appliance.
13. Don’t touch the refrigeration surface of the freezing compartment when the refrigerator is in
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 power 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.
1-3. How to read this Service Manual
Icons are used to attract the attention of the reader to specific information. The meaning of each icon
is described in the table below:
Note:
A “note” provides information that is not indispensable, but may nevertheless be valuable to the
reader, such as tips and tricks.
Caution:
A “caution” is used when there is danger that the reader, through incorrect manipulation, may
damage equipment, loose data, get an unexpected result or has to restart (part of) a procedure.
Warning:
A “warning” is used when there is danger of personal injury.

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Reference:
A “reference” guides the reader to other places in this binder or in this manual, where he/she will find
additional information on a specific topic.
2 Product Feature
2-1. SPECIFICATIONS
Model
/
CHM11BPL3
Type of appliance (FS=free standing / BI=
built-in)
/
FS
Climate class (N=16-32℃ST=16-38℃
T=18-43℃)
/
ST
Key features
Gross capacity
l
/
Total net capacity
l
305
Freezing capacity(kg/24h)
kg/24h
/
Energy consumption/year
kW.h/year
305
Max storage time at breakdown
h
40
Kind of coolant (R134a/R600a)
/
R600a/69g
Technical data
Voltage / frequency
V/Hz
115~/60
Input power / currency
W/A
73.5/1.0
Lenght of cable / incl. plug
cm
150/155
Temperature range (from>to)
°C
≤-18
Equipment & accessories
Defrost drain
/
●
Interior light
/
●
Fast freeze switch
/
●
Fast freeze lamp (yellow)
/
●
On light (green)
/
●

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Product net dimensions
/
Unit dimensions (H / W / D)
cm
1110/745/845
Height with open lid
cm
150
Net weight
kg
51
Packing dimensions & loadability
Packing dimensions(H / W / D)
cm
1165/775/895
Gross weight
kg
58
Service
User instruction
/
Spain
2-2. External views
Chapter 3 Installation, adjustments and
maintenance
3-1. Installation
The freezer should be conveniently located for day-to-day use in a dry well-ventilated room.
Do not install the freezer where the temperature will go below 0°F or above 110°F, because it will not

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maintain proper temperatures.
Be sure to install the freezer on a floor strong enough to support it when it is fully loaded.
The freezer must be solidly positioned on the floor if it is to function at its best. Shims may be used to
accomplish this wherever the floor is too uneven. If the place selected for the freezer is damp or moist,
place 2 X 4 s (51 mm X 102 mm) under its entire length to assure adequate support.
3-2 Defrosting and Draining
In most climates, defrosting will be necessary only about twice a year.
To have the freezer operate most efficiently, do not permit more than 1/2” (13 mm) of frost to
accumulate on the shelves.
To remove frost, scrape with a plastic or wood spatula or scraper.
Do not use an ice pick or sharp-edged instrument as it may damage or scratch the freezer.
Do not use any electrical device in defrosting your freezer.
For Complete Defrosting
1.Turn the temperature control to the OFF position and unplug the freezer.
2.Remove all food and place it in corrugated boxes, insulated bags, picnic coolers, etc. Use towels
and newspapers for insulation as needed.
3.With the door/lid open, use pans of hot water to speed loosening of frost. Remove large pieces
before they melt. Chest models have a defrost water drain at the front.
4.Sponge excess water from the bottom of the freezer as it collects to prevent over flowing.
5.After defrosting, clean the inside of the freezer.
6.Replace the drain plug inside the cabinet and the cap on the defrost drain. Fold over and dry the
gasket on the hinge side of the lid.
7.Plug in the freezer. Return the temperature control to its previous position and return food to the
freezer.

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Water may drip from the back flange of the lid cover during defrosting. This is normal. Ice
builds up in the lid insulation when the lid is open for adding or removing food, and melts during the
defrosting operation.
3-3 Cleaning the Freezer
Outside. Protect the paint finish. The finish on the outside of the freezer is a high quality baked-on
paint finish. With proper care, it will stay new-looking and rust-free for years. Apply a coat of appliance
polish wax when the freezer is new and then at least twice a year. Appliance polish wax also works
well to remove tape residue from freezer surfaces.
Keep the finish clean. Wipe with a clean cloth lightly dampened with appliance polish wax or mild
liquid dishwashing detergent. Dry and polish with a clean, soft cloth. Do not wipe the freezer with a
soiled dishwashing cloth or wet towel. Do not use scouring pads, powdered cleaners, bleach, or
cleaners containing bleach.
Inside. Clean the inside of your freezer at least once a year. We recommend that the freezer be
unplugged before cleaning. If this is not practical, wring excess moisture out of sponge or cloth when
cleaning in the vicinity of switches, lights or controls.
Use warm water and baking soda solution-about a tablespoon of baking soda to a quart of water.
Rinse thoroughly with water and wipe dry. Do not use cleaning powders or other abrasive cleaners.
An open box of baking soda in the freezer will absorb stale freezer odors. Change the box ever y three
months.
Care should be taken in moving the freezer away from the wall. All types of floor coverings can
be damaged particularly cushioned coverings and those with embossed surfaces.

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Chapter 4 Disassembly
4-1. Door assembly (Door, hinge, hinge cover)
Disassemble the hinge assembly and the hinge cover: take away the top and bottom cover by pull it, then
screw off the eight screws on the bottom hinge, so the whole hinge could be moved.
4-2. Compartment Grill assembly
Unscrew the two screw of the grill; then it can be taken away.

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4-3. Control panel assembly (Panel, cover board, knob, indicator light)
Unscrew the compartment grill (refer 4-2), push the panel claw gently with your finger or tools, at the
same time pull panel outside then take away it.
1.Take away the knob with a sharp-edged tool.
2.Press the cover board and take away it.
3.Press two claws on indicator light side and push it from back to front.
4-4. Thermostat assembly
First take off the knob (refer 4-3), Use turnbuckle spanner or acutilingual plier, unscrew the turnbuckle,
then thermostat can be moved from back of panel.
Note: When assemble thermostat you should placed thermostat in originally direction.

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4-5.Disassemble the handle
turn off the 2 screws of the handle bottom with a cross screwdriver anticlockwise, then take away the
handle part, then take off the 4 screws with a cross screwdriver anticlockwise, the handle will be taken
off.
Chapter 5 Control and display system

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5-1. Control panel
Freezing temperature selection is made by setting the control from 1to 7(coldest).
If you want colder or warmer temperatures, adjust the control one step at a time.
Allow several hours after each one-step adjustment for the freezer temperature to stabilize.
5-2. Starting the Freezer
1. Clean the inside of the freezer with a mild solution of baking soda and water
2. Connect cord to power outlet.
3. Make sure the temperature control is set at 4.
4. Allow freezer to operate for at least four hours before placing food inside.
Chapter 6 System flow principle

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6-1. Refrigeration flow chart
The refrigeration system of direct cooling single-system cooler belongs to the category of a
single-temperature and single-control refrigerating system with one evaporators and is controlled by a
single temperature control.
6-2. Refrigeration flow scenograph
Evapoartor
Condenser

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Chapter 7 Circuit diagram
Industrion：The production 320 has not super condenser.
7-1. Brief principle diagram
Chapter 8 Trouble shooting

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8-1. Normal phenomena
Problem
Possible Causes
What To Do
Freezer does not
operate or
Power-On Light is
not on
Temperature control in OFF or Min
or 0 position.
Move the control to a temperature
setting.
Freezer is unplugged.
Push the plug completely into the outlet.
The fuse is blown/circuit breaker is
tripped.
Replace fuse or reset the breaker
Freezer
starts/stops too
frequently
Door/lid left open.
Check to see if package is holding
door/lid open.
Too frequent or too long to door/lid
openings.
/
Temperature control set too cold.
See About the operation of your freezer
Freezer operates
too long
Door/lid left open.
Check to see if package is holding
door/lid open.
Too frequent or too long door/lid
openings.
Reduce opening time
Temperature control set too cold.
See About the operation of your freezer
Inadequate air circulation space
around cabinet.
See Preparing to install the freezer
Fast Freeze switch is in the ON
position (on some models)
See About the operation of your freezer
Noisy operation
or cabinet vibrates
Floor may be weak, causing
freezer to vibrate when
compressor is on.
Placing 2 X 4s (51 mm X 102 mm) under
the length of the freezer will help support
it and may reduce vibration.
Cabinet is not positioned solidly on
floor
See Preparing to install the freezer Or
use shims for uneven floor
Freezer
temperature too
warm
Door/lid left open.
Check to see if package is holding
door/lid open.
Too frequent or too long door/lid
openings.
Reduce opening time
Foods defrosting
Temperature control OFF or Min or
0positions.
Move the control to a temperature
setting.

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Freezer is unplugged.
Push the plug completely into the outlet.
The fuse is blown/circuit breaker is
tripped.
Replace fuse or reset the breaker
Door/lid left open.
Check to see if package is holding
door/lid open.
Too frequent or too long door/lid
openings.
Reduce opening time
Freezer
temperature too
cold
Temperature control set too cold.
See About the operation of your freezer
Fast Freeze switch is in the ON
position or has run for too long (on
some models)
About the operation of your freezer
Moisture forms on
outside of cabinet
Not unusual during periods of high
humidity
Wipe surface
Interior light does
not work (on some
models)
No power at outlet.
Replace fuse or reset the breaker
Freezer is unplugged.
Push the plug completely into the outlet.
Light bulb burned out.
Replace bulb.
Slow starting time
after being off
Built-in overload product.
Do not overload
Excessive frost
build-up
Door/lid left open.
Check to see if package is holding
door/lid open.
Too frequent or too long door/lid
openings.
Reduce opening time
Not unusual during periods of high
humidity
Reduce opening time
8-2. Abnormal phenomena
8-2-1. Compressor doesn’t start

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Comprssor
doesn’t start
Whether the display of
thermoment is normal
Y
NChange a new
thermoment and test
Whether the display
temperature is higher than
environment
Y
Lower the setting
temperature and test
N
Whether the resistance of
compessor is infinite or 0
Y
Compressor is open
circuit or short
Circuit
N
Whether the starting current is
about 5A
Y
Inner thouble of
compressor
N
Whether PTC starter
resistance between running
jack and starting jack is 16-
50 O
If it is infinite or
0，then the starter
is out of work
Y
N
Whether compressor pin is
tight，contact is good Insert again，
electrify and test
Whether input and output
voltage of main control board
is normal
Main control board
is out of work
Y
N
N
Y
Whether each contact of main
control board is normal
Compressor doesn’t start
sometimes because the
temperature in case is between
starting and stop temperature，
should pay attention when to test
Tighten each contact and test
machine again
Change a new compressor
8-2-2.Poor cooling

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Poor cooling
Refrigeration.normal
cooling -7℃room normal
cooling Unitary poor
cooling Display section for freezer appear “F2”
Maintain technics
of sensor
Voltage between
187V-242V
If the Environment
temperature is under
16℃
Much too food or too dense
Freezer normal cooling
Refrigeration.normal
cooling
Refrigeration.poor
cooling
Display section
for freezer appear
F1 or F3
Enclosed bar of
refrigeration broken
-7℃room poor cooling
Display section for soft-
freezer appear F5
enclosed bar of freezer
gap or broken
Repair the Enclosed bar
If-7℃room normal
cooling
Freezer poor- cooling
Display section for
freezer appear F4
enclosed bar of freezer
gap or broken
Maintain technics of
sensor
Repair the Enclosed bar
Check and adjust the
circuitry
Open the
switch of equalize low
temperature
Conduct user to use
it properly
Maintain technics of
sensor
Repair the Enclosed bar
Y
N
Y
N
Y
N
Y
Y
N N Y Y Y
Y
Y
N
Y
Y
N
N
Y
If it’s mechanical refrigerator, change the tache of display
to overhaul of thermostat
1.If the compressor starts when switch of fast-freezer is
open, it’s the complaint of thermostat.
2. Adjust the thermostat properly
3.Temperature-induction probe placed properly
4.Temperature-induction loose or desquamate
Adjust grate of thermostat
Temperature >30℃1—3 grade
16-30℃3—5grate
<16℃5—7 grate
refrigeration 0-10℃
freezer -16—-24
soft –freezer -3—-7

Sincere forever