NEC NW491 Service Manual

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NEC Service Manual

Auto Washer NW491

Model :

DWF-5510/5511/5520/5521

6010/6011/6020/6021

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Summary of Contents for NEC NW491

Page 1 NEC Service Manual Auto Washer NW491 Model : DWF-5510/5511/5520/5521 6010/6011/6020/6021...
Page 2 AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASH- AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER...
Page 3 1. SPECIFICATIONS DWF-5510 DWF-5511 DWF-5520 DWF-5521 DWF-6010 DWF-6011 DWF-6020 DWF-6021 ITEM 1 POWER SOURCE AVAILABLE IN ALL LOCAL AC VOLTAGE POWER 50Hz 250W CONSUMPTION 60Hz 270W 32.5 32.5 32.5 33.5 MACHINE WEIGHT GROSS 532X855X542 532X920X542 532X887X542 532X952X542 532X855X542 532X920X542 532X887X542 532X952X542 4 DIMENSION (WXHXD) 5 MATERIAL OF INTERNAL TUB...
Page 4 3. FUNCTIONS OF THE CONTROL PANEL Control panel has micom sensor. As the buttons are pressed, the lamps indicating the selection of your desired washing program will light up. è § § Dwf-5510/5511/6010/6011 D AEWO O AUT OMAT IC WASHER FUZZY HIGH START...
Page 5 è § § Reserved Washing 1 Set your program as the above 2 Press reservation button until the 3 Press Start/Hold to start. procedure, remaining last step. digital monitor displays the finish- ing time you want. • Press the course selection button. START •...
Page 6 5. DIRECTIONS FOR INSTALLATION AND USE Installing Place Install the washer on a horizon- tal solid floor. If the washer is Never install in these places installed on an unsuitable floor, it could make considerable ¡ The place where it would be noise and vibration.
Page 7 6. FEATURE AND TECHNICAL EXPLANATION Feature of the Washing Machine 1 The first air bubble washing system in the world. 2 Quiet washing through the innovational low-noise design. 3 The wash effectiveness is much more enhanced because of the air bubble washing system. 4 The laundry detergent dissolves well in water because of the air bubble washing system.
Page 8 Pulsator System When the pulsator is rotated C.W or C.C.W at a high speed, it makes the cyclone water flow from the asymmetrically designed pulsator as shown below. Asymmetrically designed pulsator makes the cyclone water flow, which get rid of the washing dead zone to increase the washing effect and reduce the entanglement of laundry.
Page 9 Softener Dispenser This is the device to dispense the softener automatically by centrifugal force. This is installed inside the auto-balancer. FUNCTIONAL PRINCIPLE 1 Softener stays in room (A) when poured into softener inlet. 2 Softener moves from (A) to (B) by centrifugal force during intermittent spin process. 3 Softener flows from (B) to (C) during rinse process next to intermittent spin.
Page 10 Automatic Unbalance Adjustment This system is to prevent abnormal vibration during intermittent spin and spin process. FUNCTIONAL PRINCIPLE Contact of safety switch Lid closing 1 When the lid is closed, the safety switch contact is “ON” position. 2 In case that wash loads get uneven during spin, the outer tub hits the safety switch Lid opening due to the serious vibration, and the spin...
Page 11 Lint Filter Much lint may be obtained according to the kind of clothes to be washed and some of the lint may also sticks to the clothes. Filter Filter To minimize this possibility a lint filter is provided on the upper part of the tub to filter the wash water as it Bleach Bleach Inlet Inlet...
Page 12 Gear Mechanism Ass’y The proper water currents is made by the rotation of pulsator at a low speed to prevent the damage to the small sized clothes. Pulsator shaft Spin shaft One way clutch bearing Gear unit as Sun gear Planetary gear Internal gear Clutch spring...
Page 13 PRINCIPLE OF INTAKE & OUTLET OF THE AIR INTAKE : ARMATURE moves up, and BELLOWS inhales the air. At the same time, protector B is open and A is close. OUTLET : ARMATURE moves down, and BELLOWS exhausts the air. At the same time, protector B is close and A is opend.
Page 14 7. DIRECTIONS FOR DISASSEMBLY AND ADJUSTMENT Warning BEFORE ATTEMPTING TO SERVICE OR ADJUST ANY PART OF THE WASHING MACHINE, DISCON- NECT THE POWER CORD FROM THE ELECTRIC OUTLET. Gear Mechanism Ass’y Replacement Raise the top plate on the outer cabinet. Loosen the pulsator mounting screw and remove ¡...
Page 15 Drain Motor and Valve ¡ Lay the front of the washer on the floor. ¡ Separate the drain motor from the bracket. ¡ Loosen the adjustment screw and two bolts ¡ Turn the valve lid by using screw driver as shown mounting the drain motor.
Page 16 8. TROUBLE SHOOTING GUIDE NOTES 1. When replace the P.C.B. ASS’Y do not scratch the surface of the P.C.B. ASS’Y. 2. Disconnect the power cord from the electric outlet. Concerning Water Supply PROBLEM CHECK POINT CAUSE SOLUTION Do you open the water Open the water tap.
Page 17 PROBLEM CHECK POINT CAUSE SOLUTION Does the water supply The water inlet valve is Change the water inlet continue while the power defective. valve. is turned off? Does the water supply start The triac of P.C.B is Change the P.C.B ASS’Y. as soon as you press the defective.
Page 18 Concerning Draining PROBLEM CHECK POINT CAUSE SOLUTION Install the drain hose Do you install the Improper installation properly. drain hose properly? Is the foreign matter Remove the foreign mat- Malfunction of drainage accumulated inside ter from the pump hous- THE WASHER by the foreign matter the pump housing? DOES NOT...
Page 19 Concerning Spinning PROBLEM CHECK POINT CAUSE SOLUTION Is the lid open? Close the lid. Safety switch is defec- Change the safety Does the safety switch tive. switch. operate normally? Is the connector of Connect the connector Improper connection of P.C.B ASS‘Y connected properly.
Page 20 Concerning Operation PROBLEM CHECK POINT CAUSE SOLUTION Is the plug connect-ed Connect the plug. to electric outlet? THE INDICA- Is Fuse opended? Change Fuse LAMPS(L.E.D) Is the condition of DO NOT LIGHT Change P.C.B ASS’Y. Power button is defective power button good? UP WHEN THE POWER BUT- TON IS...
Page 21 9. PRESENTATION OF THE P.C.B ASS’Y Concerning Error Message MESSAGE CAUSE SOLUTION Install drain hose properly. Improper installation of drain hose. Remove foreign matter from drain hose. The drain hose is blocked up by foreign matter. Change drain motor. Drain motor is inferior. Open the water tap.
Page 22 APPENDIX è § § Wiring Diagram [non-pump] WIRING DIAGRAM...
Page 23 è § § [Non-Pump, Single Valve] WIRING DIAGRAM...
Page 24 è § § [Pump] WIRING DIAGRAM...
Page 25 è § § [pump, single valve] WIRING DIAGRAM...
Page 26 è § § Parts List LOC. PART NAME PART CODE SPECIFICATION REMARK 3614219200 5510,5511,6010,6011 PANEL B 3614220200 5520,5521,6020,6021 3615403830 AC 220~240V/50Hz 5510,5511,6010,6011 3615403810 (NP, N, MP, M) 5520,5521,6020,6021 3615402130 AC 220V~60Hz 5510,5511,6010,6011 VALVE INLET(HOT) 3615402110 (LP, L) 5520,5521,6020,6021 3615403630 AC 110~127V/60Hz 5510,5511,6010,6011 3615403610 (TP, T, SP, S)
Page 27 LOC. PART NAME PART CODE SPECIFICATION REMARK PRPSSW8100 AC 220~230V/50Hz PUMP 5510,5511,6010,6011 PRPSSW8200 AC 220~230V/50Hz N-PUMP PRPSSW8101 AC 240V/50Hz PUMP 5510,5511,6010,6011 PRPSSW8201 AC 240V/50Hz N-PUMP PRPSSW8102 AC 220V/60Hz PUMP 5510,5511,6010,6011 PRPSSW8202 AC 220V/60Hz N-PUMP PRPSSW8103 AC 110V/60Hz PUMP 5510,5511,6010,6011 PRPSSW8203 AC 110V/60Hz N-PUMP PRPSSW8104 AC 127V/60Hz PUMP...
Page 28 è § § Parts List LOC. PART NAME PART CODE SPECIFICATION REMARK COVER UNDER 3611402700 PLATE UPPER 3614514900 COVER B 3611414010 372x508x0.4t, SGCC HOLDER SUPPORT 3613010300 FRPP, B HOLDER SUPPORT 3613010200 FRPP, FL HOLDER SUPPORT 3613010100 FRPP, FR HANDLE CABINET 3612603300 CABINET 3610808100...
Page 29 è § § Parts List LOC. PART NAME PART CODE SPECIFICATION REMARK 3616104500 DWF-5510PN 5510,5511,5520,5521 BALANCER AS 3616104700 DWF-6010PN 6010,6011,6020,6021 SPECIAL SCREW 4505E05050 5.2x18 3618808100 5510,5511,5520,5521 TUB I 3618808500 6010,6011,6020,6021 TUB U 3618808600 6010,6011,6020,6021 FILTER AS 4505E82002 PE(90*120) INSERT 3612503900 5510,5511,5520,5521 GUIDE FILTER 3612506700...
Page 30 è § § Parts List LOC. PART NAME PART CODE SPECIFICATION REMARK COVER TUB O 3611414600 TUB O 3618807600 SUSPENSION AS F 3619802300 DWF-5510NP SUSPENSION AS B 3619802400 DWF-5510NP NOZZLE BODY 3618101400 HOSE DRAIN I 3613220600 PUMP HOSE OVERFLOW 3613220700 L=245 N-PUMP VALVE DRAIN AS...
Page 31 NEC ELECTRONICS CO., LTD. S/M NO. : PRINTED DATE: NOV.1997...

This manual is also suitable for:

Dwf-5510 Dwf-5511 Dwf-5520 Dwf-5521 Dwf-6010 Dwf-6011 ... Show all