Hisense RS-15DR Manuale utente
Refrigerator
Service manual
MODEL: RS-15DR#(BC-128#)
NOTE: This is a basic model.the shape and specification of refrigerator is subject to change.
Contents
Warnings and precautions for safety............................................................................................................................ 3
Parts Description.......................................................................................................................................................... 4
Circuit diagram............................................................................................................................................................ 5
Cooling diagram.......................................................................................................................................................... 5
Specification................................................................................................................................................................ 6
Thermostat Checking................................................................................................................................................... 6
Compressor checking................................................................................................................................................... 7
The guide for Disassembly Common parts of Refrigerator......................................................................................... 9
◆The instruction of replacing thermostat................................................................................................................. 9
◆The instruction of replacing lamp.................................................................................................................... 10
◆The instruction of replacing Door switch ............................................................................................................ 10
◆The instruction of replacing PTC Starting relay and Overload protector.............................................................11
◆The instruction of replacing fan motor .................................................................................................................. 12
Troubleshooting......................................................................................................................................................... 12
◆The common problem judging method................................................................................................................ 12
◆The solution for the common problem................................................................................................................. 14
Note: .......................................................................................................................................................................... 16
Warningsandprecautionsforsafety
Please observe the following safety precautions in order to use safely and correctly the refrigerator
and to prevent accident and danger during repair.
1. Be care of an electric shock. Disconnect power cord from wall outlet and wait for more than
three minutes before replacing PCB parts.
Shut off the power whenever replacing and repairing electric components.
2. When connecting power cord, please wait for more than five minutes after power cord was
disconnected from the wall outlet.
3. Please check if the power plug is pressed down by the refrigerator against the wall.
If the power plug was damaged, it may cause fire or electric shock.
4. If the wall outlet is over loaded, it may cause fire.
Please use its own individual electrical outlet for the refrigerator.
5. Please make sure the outlet is properly earthed, particularly in wet or damp area.
6. Use standard electrical components when replacing them.
7. Make sure the hook is correctly engaged.
Remove dust and foreign materials from the housing and connecting parts.
8. Do not fray, damage, machine, heavily bend, pull out or twist the power cord.
9. Please check the evidence of moisture intrusion in the electrical components.
Replace the parts or mask it with insulation tapes if moisture intrusion was confirmed.
10. Do not touch the icemaker with hands or tools to confirm the operation of geared motor.
11. Do not let the customers repair, disassemble and reconstruct the refrigerator for themselves.
It may cause accident, electric shock, or fire.
12. Do not store flammable materials such as ether, benzene, alcohol, chemicals, gas, or
medicine in the refrigerator.
13. Do not put flower vase, cup, cosmetics, chemicals, etc., or container with full of water
on the top of the refrigerator.
14. Do not put glass bottles with full of water into the freezer.
The contents shall freeze and break the glass bottles.
15. When you scrap the refrigerator, please disconnect the door gasket first and scrap it
PartsDescription
Circuitdiagram
Coolingdiagram
Specification
ThermostatChecking
Use a multi-meter to test the resistance between L & C when the thermostat is at normal position
such as: “1, 2, .. 7”:
If there shows “000”then the thermostat is OK
If there shows anything but “000”then the thermostat is always at OFF Position and compressor
will not start ever.
Use a multi-meter to test the resistance between L & H and C&H when the thermostat is at shut
position such as “0”:
If there shows no response then the thermostat is OK
If there shows anything (have response) then the thermostat is always at ON Position and the
compressor will keep on working and will not stop ever.
Put the sensor pipe of the thermostat in the freezer compartment like the below pic shows.
Put the thermostat at Max 7 position and let it keep this position for 20 minutes.
Turn the knob from 7 to 1 slowly
If you can feel a stop signal like kind of noise of “da”the thermostat is ok.
If there is no stop signal then the thermostat is always at ON position and the compressor will keep
on working and will not stop.
Compressorchecking
Use a multi-meter to test the resistance between C & S, M&S and M&C :
Normal range of C&S : About 5-20Ω
Normal range of M&S : About 5-20Ω
Normal range of M&C : About 10-40Ω
If the test result is not in this range then it means the inner coil has some problem and the
compressor can not work properly.
Compressor Protector test ——
Use a multi-meter to test the resistance between the two end as the pic show :
If there show 000 or almost 0 then it is OK.
If there is no response then it is broken.
Compressor PTC starter test ——
Use a multi-meter to test the resistance between the two end as the pic show :
If there show the number is between About 9-25Ωthen it is OK.
If there show 000 or no response then it is broken.
TheguideforDisassemblyCommonpartsofRefrigerator
◆Theinstructionofreplacingthermostat
The location of the
thermostat
Remove screws of
thermostat box
Unplug the
connecting wire
Remove screws of
thermostat box
Take out the
thermostat
◆The instruction of replacing lamp
1.Before carrying out
the bulb replacement
always press
and turn the
thermostat control dial
to Position 0, then
disconnect the mains
supply.
2.Hold and unscrew
the light bulb cover.
3. Remove the plastic
light bulb cover.
4. Remove the old
bulb by unscrewing in
an anticlockwise
direction.
5.Replace with a new
bulb (15W SES).
Please make sure
that it is secure in the
bulb cover.
6.Re-fit the
translucent light
cover, reconnect your
unit to the mains
supply, switch on and
reset the thermostat.
◆TheinstructionofreplacingDoorswitch
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