Samsung WA50F9A6DS Series Service Manual

Washing machine top-loading type

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SERVICE

WASHING MACHINE (TOP-LOADING)

WASHING MACHINE

TOP-LOADING TYPE

Basic Name :

WA50F9A6DS*

(WA-F900A PJT)

Basic Code :

WA50F9A6DSW/A2

Model Name :

WA48H7400AW

(WA-7000HA PJT)

Model Code :

WA48H7400AW/A2

Manual

1. Safety Instructions

2. Features and Speci ications

3. Disassembly and Reassembly

4. Troubleshooting

CONTENTS

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Summary of Contents for Samsung WA50F9A6DS Series

Page 1 WASHING MACHINE TOP-LOADING TYPE Basic Name : WA50F9A6DS* (WA-F900A PJT) Basic Code : WA50F9A6DSW/A2 Model Name : WA48H7400AW (WA-7000HA PJT) Model Code : WA48H7400AW/A2 SERVICE Manual WASHING MACHINE (TOP-LOADING) CONTENTS 1. Safety Instructions 2. Features and Speci ications 3. Disassembly and Reassembly 4.
Page 2 This document can not be used without Samsung's authorization. CoNTeNTS 1. Safety instructions ..............1 1-1.
Page 3 This document can not be used without Samsung's authorization. 1. Safety InStructIonS 1-1. Safety InStructIonS for ServIce engIneerS ► Be sure to observe the following instructions to operate the product correctly and safely to prevent possible accidents and hazards while servicing. ► Two types of safety symbols, Warning and Caution, are used in the safety instructions. Hazards or unsafe practices that may result in severe personal injury or death. WarnIng Hazards or unsafe practices that may result in minor personal injury or property damage.
Page 4 This document can not be used without Samsung's authorization. WarnIng WHILe ServIcIng • Check if the power plug and outlet are damaged, flattened, cut or otherwise degraded. 4 If faulty, replace it immediately. Failing to do so may result in electric shock or fire. • Completely remove any dust or foreign material from the housing, wiring and connection parts. 4 This will prevent a risk of fire due to tracking and electrical hazard.. • When connecting wires, make sure to connect them using the relevant connectors and check that they are completely properly. 4 If tape is used instead of the connectors, it may cause fire due to tracking. • Make sure to discharge the PBA power terminals before starting the service. 4 Failing to do so may result in a high voltage electric shock. • When replacing the heater, make sure to fasten the nut after ensuring that it is inserted into the bracket-heater. 4 If not inserted into the bracket-heater, it touches the drum and causes noise and electric leakage. WarnIng after ServIcIng • Check the wiring. 4 Ensure that no wire touches a rotating part or a sharpened part of the electrical harness.
Page 5 This document can not be used without Samsung's authorization. cautIon Before ServIcIng • Do not sprinkle water onto the washing machine directly when cleaning it. 4 This may result in electric shock or fire, and may shorten the product lifetime. • Do not place any containers with water on the washing machine. 4 If the water is spilled, it may result in electric shock or fire. This will also shorten the product lifetime. • Do not install the washing machine in a location exposed to snow or rain. 4 This may result in electric shock or fire, and shorten the product lifetime. • Do not press a control button using a sharp tool or object. 4 This may result in electric shock or damage to the product. cautIon WHILe ServIcIng • When wiring a harness, make sure to seal it completely so no liquid can enter. 4 Make sure that they do not break when force is exerted. • Check if there is any residue that shows that liquid entered the electric parts or harnesses. 4 If any liquid has entered into a part, replace it or completely remove any remaining moisture from it.
Page 6 This document can not be used without Samsung's authorization. cautIon after ServIcIng • Check the assembled status of the parts. 4 Now is a good time to inspect your work. Review all connections and wiring, including mounting hardware. • Check the insulation resistance. 4 Disconnect the power cord from the power outlet and measure the insulation resistance between the power plug and the grounding wire of the washing machine. The value must be greater than 10MΩ when measured with a 500V DC Megger • Check whether the washing machine is level the floor with respect to the original position of the washing machine prior to service. By doing this now will reduce for the need of customer dissatisfaction and redo call. 4 Vibrations can shorten the lifetime of the product. 4 _ Safety Instructions...
Page 7 This document can not be used without Samsung's authorization. 2. Features and speciFications 2-1. Features Features Description • Even bulky garments and blankets get super clean. The Great capacity The Great Capacity leaves enough room for a more thorough, cleaner wash. • AquaJet™ washes loads gently and more thoroughly than conventional top loaders. Sprayed water allows detergent to distribute evenly and penetrate AquaJet fabrics faster and deeper. AquaJet™ delivers improved cleanliness and advanced fabric care. • The power to handle anything! Our direct-drive inverter motor delivers power right to the washer tub from a variable speed, reversible motor. Beltless DD Motor direct-drive motor generates a higher spin speed for more effective, quiet operation. The washer also has fewer moving parts, meaning fewer repairs. • A separate nozzle has been adopted that sprays water equally so that the Mist Shower rinse cycle is effective even with a small amount of water. • This Samsung washer performs smoothly at top spin speeds, minimizing ®...
Page 8 This document can not be used without Samsung's authorization. 2-2. speciFications tYpe top LoadinG WasHer A. Height 43.9″ / 111.5cm B. Width 27.0″ / 68.6cm DIMENSION (Inches / cm) C. Height with Door open 58.1″ / 147.6cm D. Depth 29.3″ / 74.4cm WATER PRESSURE 20~116psi (137~800kPa) WEIGHT 64kg (141.1 lb) CAPACITY 4.8cu.ft WASHING 120V 700W POWER SPIN...
Page 9 This document can not be used without Samsung's authorization. 2-3. detaiL Features Grade WA48H7400A* WA50F9A6D* image Capacity(DOE) 4.8 5.0 Aqua Jet Smart Care Diamond interior drum Yes Yes Self Clean Yes Yes Washing Cycles Main spec. Internal Heater Yes Yes ® Pulsator material STS Max rpm 1,100 1,100 (Max spin speed)
Page 10 This document can not be used without Samsung's authorization. 2-4. options speciFications item item name Code No. remark HOSE-HANGER DC61-00224A Default MANUAL-BOOK DC68-03133P Default CABLE TIE 6501-000121 Default CAP W.V DC61-10449Q Default ASSY-LEG SUPPORT DC97-14095A Service Note • Customer can purchase Water supply, drain hoses and assy leg support from a service center. 8 _ Features and Specifications...
Page 11 This document can not be used without Samsung's authorization. 3. Disassembly anD Reassembly 3-1. Tools foR Disassembly anD Reassembly Tool Type Remarks 10mm Tub(16), Fixer screw(5), Motor(1), Balance(5) Box driver 17mm Damper(2), Damper(friction 1) 10mm Replaced by box driver Double-ended...
Page 12 This document can not be used without Samsung's authorization. 3-2. sTanDaRD Disassembly DRawings ► This is a standard disassembly diagram and may differ from the actual product. Use this material as a reference when disassembling and reassembling the product. Part figure Description 1. Remove the 6 screws holding the control panel assembly. 2. Separate the both hooks. (Left and Right) 3. Separate the cover panel upward. If it is difficult to disassemble, use the (-) driver to disassemble hooks. (Be careful damage of hooks.) sub and main PCb assembly 4. Remove the 2 screws holding the control panel assembly and turn the panel over. 5. Pull the Encoder-Knob to separate it and then remove the 4 fixing screws.
Page 13 This document can not be used without Samsung's authorization. Part figure Description 1. After separating the control panel, separate the water-valve housing. 2. Remove the 3 fixing screws. water Valve 3. Remove the wire-harness and release the 2 clamps connecting the hoses. When releasing the clamps, take care that you do not tear the hoses. Disassembly and Reassembly _ 11...
Page 14 This document can not be used without Samsung's authorization. Part figure Description 1. Remove the 2 inlay tapes. Door assembly 2. Remove the 4 screws holding the door lid TC and separate the door. 12 _ Disassembly and Reassembly...
Page 15 This document can not be used without Samsung's authorization. Part figure Description 1. Remove the 2 screws from the cover plate. 2. Separate the control panel assembly. 3. Separate the Assy Valve Water, the main PBA, the Assy Sensor Pressure and the filter EMI housing. Separate the housing to prevent stress and damage to the wire- Top Cover assembly harness.
Page 16 This document can not be used without Samsung's authorization. Part figure Description 1. Separate the back cover 2. Separate 2 clamps. 3. Remove the 13 screws in base. Drain-Pump 4. Remove the 3 screws 5 screws are separated by ‘+’ shape hand driver. Thermistor 1. Remove the 2 screws. 14 _ Disassembly and Reassembly...
Page 17 This document can not be used without Samsung's authorization. Part figure Description 1. Separate the top cover assembly by lifting and pushing ahead the top part of the assembly 2. Remove the 2 screws holding the panel control Separate all the wires connected to the housing. 3. Remove the 4 screws fixing the tub- cover and separate the tub-cover. Clutch assembly (continued) 4. Separate the pulsator-cap by inserting...
Page 18 This document can not be used without Samsung's authorization. Part figure Description 6. Remove the shaft with the jig wrench. - Release the nut in a clockwise direction. - Fasten the nut in a counterclockwise direction. 7. Place the main body so that the front frame faces upward and remove the 4 bolts holding the saddle with a 10mm wrench. When you place the washer on the floor, take care that you do not damage or scratch the product.
Page 19 This document can not be used without Samsung's authorization. Part figure Description 10. Separate the 2 marked housings and then remove the DD-motor. 11. Press the hook to separate the housing. Clutch assembly (continued) 12. Separate the slide guide and the coupling by pulling them forward. Disassemble the coupling and the spring. Disassembly and Reassembly _ 17...
Page 20 This document can not be used without Samsung's authorization. Part figure Description 13. Remove the all screws fixing the clutch assembly and then separate the clutch assembly. Reassembly procedures are in the reverse order of dissasembly procedures. 18 _ Disassembly and Reassembly...
Page 21 This document can not be used without Samsung's authorization. 4. TroubleshooTing 4-1. error modes ► This is a washer integrated error mode. For detailed information, refer to the general repair scripts. error Code description Corrective Action (diagnostic Code error image) The water level fails to drop below the Reset Water Level Go to “ Will Not Drain” Troubleshooting...
Page 22 This document can not be used without Samsung's authorization. error Code (diagnostic Code description Corrective Action error image) Check Main PBA, SUB PBA & Wireharness. Communication error between SUB PBA and MAIN PBA Replace PCB. If the output from the MEMS sensor is over 4.5V or under 1. Check the MEMS sensor and PBA. 0.5V and it continues for 5 seconds, this error occurs. 2. Check the wire connector terminals Check whether either the Power switch A button except the Power button is continually pressed. or a tact switch is continually pressed Please connect the hot/cold water hose The hot/cold water hose connection is not correct. connection correctly. This error occurs when the position of the clutch is not detected. 1. Check the clutch motor. - If the position detection signal is not received 15 2. Check the assembly status of the seconds after the clutch motor starts, the spin drum is clutch motor. (Clutch motor error) shaken left and right and then the motor is restarted.
Page 23 This document can not be used without Samsung's authorization. 4-2. CorreCTive ACTions For eACh error Code 22 _ Troubleshooting...
Page 24 This document can not be used without Samsung's authorization. Troubleshooting _ 23...
Page 25 This document can not be used without Samsung's authorization. 24 _ Troubleshooting...
Page 26 This document can not be used without Samsung's authorization. Troubleshooting _ 25...
Page 27 This document can not be used without Samsung's authorization. 26 _ Troubleshooting...
Page 28 This document can not be used without Samsung's authorization. 4-3. The insTAllATion For leveling Problem Type Causes Corrective Actions If the rear level of the floor is lower than • Only use the front legs to adjust the • Use the leg supports to adjust the level the front level of the floor, it can’t be level. of the rear. leveled. • If the floor is on a steeply slope, please use the additional leg supports. Front Rear • Customer can purchase the leg supports from a service center. Troubleshooting _ 27...
Page 29 This document can not be used without Samsung's authorization. This Service Manual is a property of Samsung Electronics Co.,Ltd. © 2013 Samsung Electronics Co.,Ltd. All Any unauthorized use of Manual can be punished under applicable rights reserved. International and/or domestic law.

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Wa50f9a6dsw/a2 Wa48h7400aw Wa48h7400aw/a2 Wa-f900a pjt Wa-7000ha pjt