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WASHING MACHINE
R1031GWS/YLR
R831GWS/YLR
Manual
SERVICE
WASHING MACHINE
CONTENTS
Caution for the safetyduring servicing
1. SPECIFICATIONS
2. SAFETY DEVICES
3. OVERVIEW OF THE WASHING MACHINE
4. OVERVIEW OF THE CONTROL PANEL
5. MAIN FUNCTION
6. TECHNICAL POINT
7. GENERAL ERROR FUNCTION
8. TROUBLE DIAGNOSIS
9. TEST MODE
10. DESIGNATION OF MAIN COMPONENTS
11. PCB SCHEMATIC DIAGRAM
11-1. PCB CIRCUIT DIAGRAM
12. SETTING UP A WASH MACHINE
13. ASSEMBLE AND DISASSEMBLE
14
.TOOLSFORDISASSEMBLYANDASSEMBLY
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Caution for the safety during servicing 1. Do not allow the customer to repair the product. ☞ The person may be injured or the product life may be shortened. 2. Execute A/S after unplugging the power supply unit. ☞ Be care of the electric shock. 3. Do not plug several plugs in the same outlet. ☞ It may cause the fire due to overheat. 4. Check the damage, pressing or burning of the power plug or outlet. ☞ Replace it promptly if it has problem.(may cause the electric shock or fire) 5. Do not clean
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1. Specifications WASH TYPE FRONT LOADING TYPE GROSS W 661mm X D 576mm X H 850mm DIMENSION NET W 598mm X D 450mm X H 844mm WATER PRESSURE 50 kPa ~ 800 kPa GROSS 69 kg WEIGHT NET 66 kg 5.2 kg (DRY LAUNDRY) WASH and SPIN CAPACITY POWER CONSUMPTION 220 V 180 W WASHING 240 V 180 W 220 V 1800 W WASHING and HEATING 240 V 2100 W MODEL R1031 R831 R631 SPIN 230V 500W 430W 380W PUMPING 34 W 49ℓ(STANDARD COURSE) WATER CONSUMPTION MODEL R1031 R831 R631 SPIN REVOLUTION rpm 1000 800 600 2
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2. Safety Devices ※ We adapt 5 safety devices for users to use this wash machine safely. 1) Balancing device (ASSY-Main PCB) → When the laundry is out of balance, to prevent the noises and vibrations, the unbalance detecting sensor helps the laundry laid even and continue the dehydating process. 2) Anti-over water supply device → Because water supply value is broken, once water is supplied to the 2/3 level of the door, the water supplied is drained automatically, Over -flow error is displayed on
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3. Overview of the Washing Machine 4
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4. Overview of the control panel R1031 R1031/R1032 ① ② ③ ④⑤ ⑥ ⑦ ⑧ R831 R831/R832 ① ② ③ ④⑤ ⑥ ⑦ ⑧ R631 R631/R632 ① ② ③ ④⑤ ⑥ ⑦ ⑧ 5
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5. Main function 1) Auto power S/W off function ● After power on, the auto power S/W off function automatically switches power off for you if you do not press selection button for 10 minutes ● After selecting the function, the auto power S/W off function automatically switches power off for you if you do not press start/pause button for 10 minutes ● After finishing the last function, the auto power S/W off function automatically switches power off for you if you do not re-select the course butto
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5. Main function 4) Power-out compensation function ● If power is out on selected process, the process before power out is stored to EEPROM, once power is back the process before power out continues. ● When power is back, washing process starts from the process at the point of the power out, rinse/drain process starts from the initial process. POWER-OUT COMPENSATION FUNCTION PROCESS RINSE/DRAIN RINSE/DRAIN START WASHING FINISH START PROCESS POWER OUT POWER OUT SAVE DATA to EEPROM SAVE DATA POWER
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5. Main function 6) Fuzzy washing function ( weight-sensing) ☞ After finishing initial water supply, when the fall of the water level needs supplementary water supply, Sensing function perceives the weght with the supplementary water supply numbers and starts to work. Under the course of Cotton, if the supplementary water supply numbers become 3 - 4 times the function is going at default condition ( high water level ), if 1-2 below that is going at middle level, if 0 below low water level, heati
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5. Main function 8) Unbalance detecting & laundry balance positioning system ① Just before the hydrating process and just after reversal rotation for balancing laundry position, this function is carried out ② The initial 6 sec is the period of reversal rotation for balancing laundry position , Drum rotates 50rpm for initial 6 sec ③ Next 10 sec, the rotation increases the speed from 50 rpm to 90 rpm slowly ④ During the next 18 sec, drum rotates at the speed of 90 rpm, the sensor decides the degre
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6. Technical point 1) Final dehydrating r.p.m at each course unit:rpm Model R1031 R831 R631 Course 1000 800 600 Cotton Colour 1000 800 600 Synthetics 800 800 600 Delicates 600 600 600 Wool 600 600 600 Quick 800 800 600 ※ You can change the r.p.m to the above a table by use spin button under no spin situation. 2) The water level data at each course unit:Khz Water level Supplemetary water Supplemetary water Default water level(khz) Course START(Khz) end(khz) 23.60 24.20 23.85 Washing large 23.00 C
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6. Technical point 3) The other water level data unit:Khz The water data unter each conditon 24.60 1st water supply level to washing tub 1st water supply (only preparation) 20.50 The water supplied reach 2/3 of door Overflow error Bubble 25.45 Bubble -detecting water level detectingatwashing/rinse/dehydrating Bubble detecting rinse water level 22.60 The water level which can detect bubbles 24.10 over It is possible to open the door Water level which can open door 24.50(3.5ℓ) Safety water level o
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7. General Error Function When an error occurs, this function starts to keep generating error melody sounds and displays error indicators as shown in the followings per corresponding error by blinking in 0.5sec interval until the error status is completely cleared out. In this case, all the driving devices are turned off until the error is cleared out. ○:Lighton ●:Lightoff 1.WATERSUPPLYERROR - Display shows such as fig. 1 - Water Supply Error occurs when water level frequency does not show chang
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7. General Error Function - If the same signal as the above table is detected for more than 5 seconds, it is a PRESSURE S/W Error. - When the error occurs, water drain pump will operate for 3 min. and then turn off the water drain pump. Then the display shows fig. 8 indicating a pressure s/w error indicator. fig. 8 8.ABNORMALWATERTEMPERATUREERROR - In case the water temperature is 50∞C or more in Delicate and Wool course. - At the time of initial water supply, if the water temperature is not app
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8. Trouble Diagnosis - As the micom wash machine is configured of the complicate structure, there might be the service call. Below information is prepared for exact trouble diagnosis and suitable repair guide. Caution for the Repair and Replacement Please follow below instruction for the trouble diagnosis and parts replacement. 1) As some electronic components are damaged by the charged static electricity from the resin part of wash machine or the human body, prepare the human body earth or remo
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8-1. Trouble Diagnosis No Item Causeandtreatment - Is the PCB connector connected well? - Is the voltage normal? - Is the power supply plug connected well? - Is the noise filter connected well? 1 The power is not supplied - Is the secondary output of the power supply transformation normal? - Is the fuse disconnected? (option) ï If above points are not found, the PCB assembly is out of order. Replace it. - Is the knob open? - Did you push START/PAUSE button after selecting the course? - Is the wa
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8-2 . Problem Checkking And Method Of Pcb 8-2-1 The Part Of Power Source NO Power On YES The Voltage Of NO Betweenⓐand ⓑIs Check The Trans As Big As 12V? YES The Voltage Of Check The Diode(D6,7,8,9,11) NO Betweenⓒand ⓓ Is And Condenser(CE3) As Big As 12V? YES The Voltage Of Exchange IC2(7805) And NO Betweenⓔand ⓓ Is Check The As Big As 5V? Condenser(CE5) YES D6,7,8,9 ⓐ IC2 D11 ⓒ CE5 16 ⓔ 7805 47 TRANS ⓑ 2200UF 470UF R14 R15 17 33K 33K 48 CE3 20 ⓓ 16
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8-2-2. Reset Part The Value Of Measurement Result Of NO Check The Power Source Between Micom 23 And Gnd Is 5V? YES Check IC3 IC3 R36 7033 23 CE6 1UF 8-2-3. Interrupt Part Check The Curve Check D6 - D9 ⓐ Output Of ? Check The Micom Check TR13, R46 Number 31 ? Check The Part Of Oscillator R46 4.7K TR13 KN3904 R17 2.2K ⓐ 31 C36 C32 R49 C34 17
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8-2-4. Checking The Part Of An Oscillator When The Micom 18,19 NO Check, The Value Is Check Resonator 8Mhz? YES Exchange Micom And Check R28 R28 1M 18 19 XTL1 8MHz 18
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8-2-5. Driving Part Checking ◆ Confirm The Output Of DC5V, When The Every Part Of Micom Number Check, According To The Some Problem Condition ex) When The Drain Is Not Operating But Pump Motor Is Operating, Check The 5Voltage Of Micom Micom Number, 9 Is NO Micom Bad 5Voltage? YES ⓐ The Part Of Is NO Check The IC 65003 0 Voltage? YES Check R38, TRIAC2 MICOM +12V IC65003 ⓐ POWER 1 TRIAC2 R26 ⓐ DOOR 7 TRIAC4 R43 COLD ⓐ 12 TRIAC5 R47 PRE 2 TRIAC3 R30 ⓐ PUMP 9 ※ Check The Micom 12th In The Above Meth
