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Related Manuals for Samsung Potomac-PJT WF393
Summary of Contents for Samsung Potomac-PJT WF393
- Page 1 HA Repair Guide Front-Load Washer Potomac-PJT WF393/WF395/WF405 - 1/39 -...
- Page 2 Potomac-PJT Repair Guide [ WF393/WF395/WF405] Vibration • Vibration & Noise • Noise Leakage • Water Leakage Improper • Water Supply Operation • No Power Error- • Error-Mode mode • Test mode / Diagnosis Appendix • Circuit Diagram / PBA - 2/39 -...
- Page 3 #1. Symptom : Vibration & Noise 1-1. Schematic diagram of Repair Chassis Project Basic Model Type Front-Load / Power Foam Drum Potomac WF393/395/405 Block Step of Cause Check-1 Check-2 Code 1.Spin-basket defect Leg condition check Ball-balancer oil-leakage Spin ...
- Page 4 Tip 1-1. Frame & Spin-Basket Abnormality Check Point Spin-Basket / Check the user environment condition. Step 1 ① Check deformation of Leg of Frame bottom. - Leg-bottom Rubber is damaged. - Right angle is not maintained due to Leg Bolt deformation.
- Page 5 Tip 1-2. Damper & Hanger Abnormality Check Point Check the operating condition of Damper. Step 1 ① Check Tub for abnormal noise. - Shake the Tub back and forth to check where the noise is coming from. ② Hanger Spring connection & Grease application condition - Check if grease is properly applied between Hanger Spring and Hanger Guide friction part...
- Page 6 Tip 1-3. Installation Place & Installation Stability Abnormality Check Point Check the installation place and stability condition. Step 1 ① Check if there are any shipping bolts on the back of washer. Shipping bolts should be removed & kept. ② When installing, check the frictional relationship with the surroundings.
- Page 7 Tip 1-4. Shafting Abnormality Check Point Check the operating condition of shafting. Step 1 ① Assembly Bolt of Washing Motor - Check the assembly status of the bolt. If the bolt is loose, tighten it. ② When there is abnormal noise, have the Rotor disassembled for checking.
- Page 8 Tip 1-5. Motor Abnormality Check Point Check the operating condition of Motor. Step 1 ① Rotor with your hand and check the gap - If the gap is not the same as in the photo right, - it could cause noise during the spin cycle ②...
- Page 9 Tip 1-6. Pump Noise Abnormality Check Point Check the condition of Pump-Drain. Step 1 ① Mechanical Friction Noise - When pump drain is operating, it vibrates a little. If drain parts such as drain hose are near other parts, it may cause mechanical friction noise.
- Page 10 Tip 1-7. Explanation of NDF and product characteristics Check Point Explain the NDF and product characteristics. Step 1 ※ Explain to NDF customer. - Check the wrong usage condition of laundry and explain recommended usage. - Do not use Water–Proof Sheet, Mats and clothing.
- Page 11 #2. Symptom : Water Leakage 2-1. Schematic Diagram of Repair Chassis Project Basic Model Type Front-Load / Power Foam Drum Potomac WF393/395/405 Block Cause Check-1 Check-2 Code Tool is loose due to 1. Water supply over-connection. hose connection Packing omission Water Water ...
- Page 12 Tip 2-1. Water-Hose & Connection Abnormality Check Point Check the condition of Water-Hose. Step 1 ① Check the exterior of water supply valve unit. - Check if screw head is worn out due to over- connection using water supply hose tool. - Check if the end of water supply valve is scratched in the installation process.
- Page 13 Tip 2-2. Water-V/V & Connection Abnormality Check Point Check the condition of Water-V/V & connection. Step 1 ① Check if water supply hose filter is clogged. - Separate the filter with a tool. ② Filter-clogging check & cleaning - Clean it regularly to prevent the accumulation of foreign substance.
- Page 14 Tip 2-3. Detergent & Bleach Abnormality Check Point Check the condition of Detergent & Bleach. Step 1 ① Check if water supply valve filter is clogged. - Reduction in flow velocity results in clogging from detergent residue. ② Detergent Leakage-Point - Check if powder is used in liquid-detergent drawer.
- Page 15 Tip 2-4. Tub Abnormality Check Point Check the condition of Tub & Diaphragm. Step 1 ※ Water leakage Due to unassembled ① Check if water leaks from the Heater. Heater. - Water leakage due to unconnected heater - Water leaks a little due to incomplete heater connection.
- Page 16 Tip 2-5. Pump Connection Abnormality Check Point Check the condition of Pump & Hose. Step 1 ① Hose Between Tub & Pump Drain - Check for the connection of hose drain connecting tub and pump drain. - Check if water leaks due to damaged Hose Drain.
- Page 17 Tip 2-6. Install & NDF Connection Abnormality Check Point Check the condition of Install & NDF. Step 1 ① Waste water flows back into the washer. ② Drain hose is installed deep into the pipe of product which is installed in the basement. Thus, waste water discharged from first floor flows back into the product.
- Page 18 #3. Symptom : Improper Operation 3-1. Schematic Diagram of Repair Chassis Project Basic Model Type Front-Load / Power Foam Drum Potomac WF393/395/405 Block Step Check-1 Check-2 Code 1. No power Power-Cord breaks. Power- Fuse breaks. EMI-Filter Harness EMI-Filter breaks. Cord ...
- Page 19 Tip 3-1. No Power Abnormality Check Point Check the condition of Power Cord/Fuse/EMI-Filter. Step 1 ① No-Power does not turn on. - Measure the electric power of socket and check if it is the rated one. Step 2 ① Measure the voltages of both ends of EMI- Filter.
- Page 20 Tip 3-2. No-Spin Abnormality Check Point Check the user usage/install condition for Unbalance and the motor condition. Step 1 ※ Explain to NDF customers how to use it. - Check the wrong usage condition of laundry and explain the recommended use. - Do not use Water–Proof Sheet, Mats, and clothing.
- Page 21 Tip 3-3. Water Supply Abnormality Check Point Check the condition of Water-Hose. Step 1 ① Check for water supply fail due to hose bent during installation. - Water is not supplied due to hose bending and friction, caused by installing the product rear right to the wall.
- Page 22 Tip 3-4. Weight Sensing Abnormality Check Point Check the condition of Motor weight sensing. Step 1 ① Duration of weight sensing - Weight sensing : Takes 1~2 min. - If it takes longer, check the Motor & Hall Sensor of Step #2. ②...
- Page 23 Tip 3-5. Water Level Abnormality Check Point Check the water level sensor and the connection. Step 1 ① Measure the frequency of water level sensor during stand-by. - Measure the water level sensor during stand-by when the power is on. - Press and hold Signal + Extra Rinse for about 10 sec.
- Page 24 Tip 3-6. Detergent Residue Abnormality Check Point Check the condition of Detergent & Bleach. Step 1 ① If water remains, ② 세Open the Siphon-Cap of detergent drawer and fabric softener drawer to check the Burr which occurs during injection. ③ Case of Burr – see phenomenon in the photo Step 2 ①...
- Page 25 Tip 3-7. Water Supply Program Abnormality Check Point Check the water supply program. Step 1 ① At the beginning, set test mode. - Set normal course after turning the power on. - Press and hold Signal + Extra Rinse for about 5 sec. - Press the Temp button to enter Fast Time Down Test Mode.
- Page 26 #4. Symptom : Error Check 4-1. Schematic Diagram of Repair ※ Error Mode Check 1. Respond to Error mode displayed on control panel. 2. Check and respond to Service Mode Diagnostic Mode Error. : Push Signal + Extra Rinse. : Push the ‘Spin’ button and, when “d” is displayed, turn knob.
- Page 27 #4. Symptom : Error Check 4-1. Schematic Diagram of Repair ※ Error Mode Check 1. Respond to Error mode displayed on control panel. 2. Check and respond to Service Mode Diagnostic Mode Error. : Push Signal + Extra Rinse. : Push the ‘Spin’ button and, when “d” is displayed, turn knob.
- Page 28 Tip 4-1. nF Error Abnormality Check Point Check the condition of Water-Hose / Water supply valve. Step 1 ① Check for water supply fail due to hose bent during installation. - Water is not supplied due to hose bending and friction, caused by installing the product rear right to the wall.
- Page 29 Tip 4-2. nd Error Abnormality Check Point Check the condition of Pump & Hose. Step 1 nD Error Check ① Drain fail Pump Wire Check - Check for the pushed-back condition of Wire terminal and Housing. ② Measure the power to see if drain pump wire is broken.
- Page 30 Tip 4-3. IE / OE Abnormality Check Point Check the water level sensor and the connection. Step 1 IE Check ① Check if Main PBA 1E Error occurs. ② Water level sensor Check - Measure the coil resistance to check for the breakage.
- Page 31 Tip 4-4. LE Abnormality Check Point Check the water level sensor and water leakage condition. Step 1 LE Error Check ① Check for LE error in Main PBA. ② Supply water during Rinse + Spin course to measure the frequency. - After Rinse water supply to empty tub, check the bottom.
- Page 32 Tip 4-5. 3E / 2E Error Abnormality Check Point Check the condition of Motor , Hall Sensor and PBA. Step 1 ① Wire Connection - Check the motor & sensor wire connection ② Magnet in Rotor - There are magnets inside rotor. Step 2 3E Check ①...
- Page 33 Tip 4-6. dC Error Abnormality Check Point Check the Unbalance customer usage condition/install & the motor condition. Step 1 dC Error ※ Explain to NDF customers how to use it. - Check the wrong usage condition of laundry and explain the recommended use. - Do not use Water–Proof Sheet, Mats, and clothing.
- Page 34 Tip 4-7. tE , Hr, nF1 Error Abnormality Check Check Point Check the operation of Thermistor / Heater. Step 1 ① Wire connection - Check the connection of wire ② Thermistor Measure Mode Check - Press and hold Signal + Extra Rinse for 5 sec. - Press Extra Rinse to select the Board Input(in) mode.
- Page 35 Tip 4-8. dS, FL, LO Error Abnormality Check Point Check the Door / Door-Lock. Step 1 dS Error ① If “dS” error occurs. ② If the Door is open or the laundry is jammed. ☞ Close the Door to its normal position and press Start.
- Page 36 Tip 4-9. AE, E2, SF Error Abnormality Check Point Check the PBA-communication / Button. Step 1 AE / SF Error ① Disassemble sub PBA . ② Check the connector which connects sub PBA and main PBA on sub PBA. ☞ Replace the Sub-PCB Step 2 nE Error ①...
- Page 37 #5. Symptom : Test Mode & Circuit Diagram 5-1. Schematic Diagram of Repair Check Point Check the Test Mode / Diagnostic Mode. Test Mode Power Off Status Quick Test Mode Power On Status Service Mode Quick Spin Test Mode S/W Version Check Mode Board Input Test Mode Diagnostic Code Check Mode Quick test...
- Page 38 # Service Mode Service mode enables service technicians to verify the operation of washing machine and do troubleshooting. Service mode can be entered during all washing cycle without interrupting the cycle except some of test modes. - The washer must be on to go into the Service mode. - When you enter Service mode, you can see motor spin RPM.
- Page 39 Tip 5-2. Appendix Check Point Check the Circuit Diagram / PBA. Next Page - 39/39 -...
- Page 40 Water Valve Check Hall Sensor Check Check Voltage at Pin #1 of RY1 and Pin Check Voltage at Pin #4 and #3 of CN3 #6,7,8,9,10 of CN1 Tester Check = DC 0V or 1.3V When Each Valve operates = AC 120V Check Voltage at Pin #4 and #2 of CN3 Tester Check = DC 0V or 1.3V AC Power Check...